{"id":2162,"date":"2018-11-10T12:18:10","date_gmt":"2018-11-10T12:18:10","guid":{"rendered":"http:\/\/adenilsongiovanini.com.br\/blog\/?p=2162"},"modified":"2022-08-01T21:50:57","modified_gmt":"2022-08-01T21:50:57","slug":"tipos-de-efemerides","status":"publish","type":"post","link":"https:\/\/adenilsongiovanini.com.br\/blog\/tipos-de-efemerides\/","title":{"rendered":"Efem\u00e9rides: o que s\u00e3o e como baixar?"},"content":{"rendered":"<p><span style=\"color: #000000;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Afinal de contas o que s\u00e3o <em><strong>efem\u00e9rides<\/strong><\/em>, para o que as mesmas servem e onde baixar as mesmas. Voc\u00ea j\u00e1 se fez esta pergunta? <\/span><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">\ud83e\udd14<\/span><\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Pois bem, neste artigo voc\u00ea vai aprender tudo isso e eu ainda irei lhe passar uma s\u00e9rie de conhecimentos extras retirados diretamente do meu ba\u00fa do tesouro.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Antes disso eu preciso que voc\u00ea saiba que eu tenho mais de 57 artigos \u00e9picos aqui no blog. Para deliciar-se e obter os conhecimentos que voc\u00ea precisa \u00e9 s\u00f3 navegar pelas categorias existentes aqui do lado. \ud83d\udc49<\/span><\/p>\n<blockquote style=\"border: 2px double #009900; background: #f0fff0 none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; color: #323232; padding-left: 15px; padding-top: 10px; padding-bottom: 10px; line-height: 1.3;\"><p><center><span style=\"font-size: 24px;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">Resumo do artigo<\/span><\/strong><\/span><\/center><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\">Calculando a posi\u00e7\u00e3o dos diferentes sat\u00e9lites e suas \u00f3rbitas<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Efem\u00e9rides transmitidas<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Efem\u00e9rides ultrarr\u00e1pidas, previstas<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Efem\u00e9rides ultrarr\u00e1pidas, combinadas<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Efem\u00e9rides r\u00e1pidas<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Efem\u00e9rides finais<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px;\"><span style=\"font-family: arial, helvetica, sans-serif;\">O que \u00e9 o picosegundo<\/span> <span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\"> Principais institui\u00e7\u00f5es que calculam e difundem os dados ef\u00eameros<\/span><\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> International GNSS Service (IGS)<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Esta\u00e7\u00f5es IGS pelo mundoDownload de dados IGSComo baixar as efem\u00e9rides<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3;\"> Arquivos \u00fateis adicionais fornecidos pelo site GNSS calendar<\/span><\/p>\n<\/blockquote>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Calculando a posi\u00e7\u00e3o dos diferentes sat\u00e9lites e suas \u00f3rbitas<\/span><\/strong><\/span><\/h2>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Para calcular-se a posi\u00e7\u00e3o de um ponto na superf\u00edcie da Terra \u00e9 necess\u00e1rio saber as <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/blog\/tipos-de-coordenadas-geograficas\/\" style=\"color: #0000ff;\">coordenadas<\/a><\/span> dos sat\u00e9lites que o receptor est\u00e1 rastreando, sendo que em sua ess\u00eancia, as efem\u00e9rides nada mais s\u00e3o do que:<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Dados que informam as \u00f3rbitas dos sat\u00e9lites e a precis\u00e3o dos rel\u00f3gios dos mesmos.<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Existem maneiras distintas de se obter tais informa\u00e7\u00f5es, sendo que quanto maior for a precis\u00e3o almejada para as coordenadas dos sat\u00e9lites, mais tempo \u00e9 necess\u00e1rio esperar.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Veja na sequ\u00eancia as diferentes efem\u00e9rides e suas caracter\u00edsticas.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Efem\u00e9rides transmitidas<\/span><\/strong><\/span><\/h2>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Tamb\u00e9m conhecidas como <strong>efem\u00e9rides radiodifundidas<\/strong>, consistem em um conjunto de 16 a 20 elementos que definem a trajet\u00f3ria elipsoidal de cada sat\u00e9lite.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Os mesmos as enviam no bloco 2 da mensagem de navega\u00e7\u00e3o, sendo que as efem\u00e9rides transmitidas s\u00e3o capazes de determinar a posi\u00e7\u00e3o do sat\u00e9lite que as envia.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Al\u00e9m disso, na mensagem de navega\u00e7\u00e3o tamb\u00e9m s\u00e3o adicionadas informa\u00e7\u00f5es a respeito:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Do estado de conserva\u00e7\u00e3o do sat\u00e9lite;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Da sincroniza\u00e7\u00e3o de tempo;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">De retardos atmosf\u00e9ricos.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Tamb\u00e9m \u00e9 fornecido o almanaque, que possibilita posicionar toda a constela\u00e7\u00e3o, mesmo que o receptor consiga receber dados de um sat\u00e9lite.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">O almanaque se atualiza a cada 6 meses, por\u00e9m a precis\u00e3o \u00e9 t\u00e3o baixa, que permite ao receptor saber apenas a posi\u00e7\u00e3o aproximada de cada sat\u00e9lite com o qual n\u00e3o tem vis\u00e3o direta.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A partir dos dados informados pelo almanaque o receptor ir\u00e1 calcular a posi\u00e7\u00e3o do sat\u00e9lite em determinado instante.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">As \u00f3rbitas dos sat\u00e9lites tem uma precis\u00e3o de 1 metro e seus rel\u00f3gios de 5 nanosegundos.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Na pr\u00e1tica as efem\u00e9rides transmitidas acabam sendo as menos precisas n\u00e3o podendo ser utilizadas na <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/curso-topografia\/\" style=\"color: #0000ff;\">topografia<\/a><\/span> e no <span style=\"color: #0000ff;\"><a href=\"http:\/\/adenilsongiovanini.com.br\/blog\/georreferenciamento-imoveis-rurais\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000ff;\">georreferenciamento<\/a><\/span>.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Embora em maio de 2001 tenha sido desligada a disponibilidade seletiva (SA) cujo fim era piorar intencionalmente a precis\u00e3o das efem\u00e9rides transmitidas, estas continuaram tendo uma baixa precis\u00e3o e uma baixa confiabilidade.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Por\u00e9m, as mesmas s\u00e3o muito utilizadas em outros servi\u00e7os que n\u00e3o exigem tanta acur\u00e1cia posicional, justamente por serem as \u00fanicas transmitidas em tempo real.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Na realidade, perceba que devido a suas caracter\u00edsticas, as efem\u00e9rides transmitidas s\u00e3o \u00f3timas para aplica\u00e7\u00f5es que requerem um posicionamento instant\u00e2neo e n\u00e3o requerem uma acur\u00e1cia t\u00e3o boa.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"> <a href=\"https:\/\/brasilescola.uol.com.br\/geografia\/gpssistema-posicionamento-global.htm\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0000ff;\">O segmento de controle<\/span><\/a> <span style=\"color: #000000;\">\u00e9 o encarregado de calcular as efem\u00e9rides transmitidas e de enviar as mesmas para os sat\u00e9lites atrav\u00e9s de uma s\u00e9rie de antenas terrestres. <\/span><\/span><br \/>\n<span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Todos os outros tipos de efem\u00e9rides s\u00e3o calculadas pelo segmento terrestre de rastreamento independente, que define a posi\u00e7\u00e3o dos sat\u00e9lites atrav\u00e9s das coordenadas dos mesmos em instantes determinados.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Exemplo de t\u00edtulo de arquivo contendo as efem\u00e9rides transmitidas:<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">IGNE0460.15N<\/span><\/strong> <span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><strong> IGNE<\/strong> &#8211; caracteres que identificam a esta\u00e7\u00e3o.<\/span><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>046<\/strong> &#8211; dia do ano (001 a 366)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>0<\/strong> &#8211; hora do dia<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>.15N<\/strong> &#8211; Ano 2015, GPS-NAVSTAR &#8211; 15G ano 2015 GLONASS<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Efem\u00e9rides ultrarr\u00e1pidas, previstas<\/span><\/strong><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><span style=\"color: #000000;\">Estas efem\u00e9rides s\u00e3o<\/span> <span style=\"color: #0000ff;\"><a href=\"https:\/\/www.igs.org\/products\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000ff;\">emitidas pelo IGS em tempo real <\/a><\/span><span style=\"color: #000000;\">que atualiza as mesmas nos seguintes hor\u00e1rios: <\/span><\/span><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">03,09,15 e 21 horas UTC.<\/span><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"> As precis\u00f5es variam, por\u00e9m chegam a alcan\u00e7ar 5 cm nas \u00f3rbitas dos sat\u00e9lites e 3 nanosegundos nos rel\u00f3gios dos sat\u00e9lites.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Exemplo de t\u00edtulo de arquivo contendo as efem\u00e9rides ultrarr\u00e1pidas previstas:<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">cod18320.EPH_5D<\/span><\/strong><\/span><\/p>\n<ul>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>COD<\/strong> &#8211; c\u00f3digo GPS + GLONASS<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>1832<\/strong> &#8211; Semana GPS que come\u00e7a em 01\/01\/1980<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>0<\/strong> &#8211; Dia da semana GPS<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>.EPH_P<\/strong> &#8211; Engloba as 24 horas do dia.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Efem\u00e9rides ultrarr\u00e1pidas, observadas<\/span><\/strong><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Publicadas pelo IGS entre 3 e 9 horas ap\u00f3s a hora de rastreamento. S\u00e3o atualizadas nos seguintes hor\u00e1rios: 03, 09, 15 e 21 horas UTC.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">As \u00f3rbitas dos sat\u00e9lites tem uma precis\u00e3o de 3 cm e os rel\u00f3gios de 150<\/span> <a href=\"https:\/\/pt.wikipedia.org\/wiki\/Picosegundo\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0000ff;\">picosegundos<\/span><\/a>.<\/span><\/p>\n<h2 style=\"text-align: center;\"><\/h2>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Efem\u00e9rides ultrarr\u00e1pidas, observadas<\/span><\/strong><\/span><\/h2>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A IGS Publica conjuntamente as efem\u00e9rides previstas e observadas a cada 6 horas. As mesmas s\u00e3o atualizadas nos seguintes hor\u00e1rios:<\/span><br \/>\n<span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"> 00, 06, 12 e 18 H UTC.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Cada uma das mesmas possui informa\u00e7\u00f5es de 48 horas, sendo 24 horas anteriores a publica\u00e7\u00e3o e 24 horas posteriores a publica\u00e7\u00e3o. O tempo de demora para publicar \u00e9 entre 3 e 9 horas.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; color: #000000;\"><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Exemplo de t\u00edtulo de arquivo contendo as efem\u00e9rides ultrarr\u00e1pidas combinadas<\/span> <strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\"> igu18320_00.sp3:<\/span><\/strong><\/span><\/p>\n<ul>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>igu<\/strong> &#8211; Efem\u00e9rides ultrarr\u00e1pidas da IGS, somente GPS.<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>1832<\/strong> &#8211; Semana <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/blog\/navstar-gps-historico-e-aplicacoes\/\" style=\"color: #0000ff;\">GPS<\/a><\/span> que come\u00e7a em 01\/01\/1980<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>0<\/strong> &#8211; Dia da semana<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>_00<\/strong> &#8211; Hora de come\u00e7o das 48 horas.<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>sp3<\/strong> &#8211; Precis\u00e3o padr\u00e3o vers\u00e3o 3.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Efem\u00e9rides r\u00e1pidas<\/span><\/strong><\/span><\/h2>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Publicadas pela IGS entre 17 e 41 horas ap\u00f3s a passagem do sat\u00e9lite, todos os dias as 17 horas UTC. A previs\u00e3o das \u00f3rbitas dos sat\u00e9lites \u00e9 de 2,5 cm e a precis\u00e3o dos rel\u00f3gios dos sat\u00e9lites e das esta\u00e7\u00f5es de controle \u00e9 de 75 picosegundos.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Exemplo de t\u00edtulo de arquivo contendo as efem\u00e9rides r\u00e1pidas:<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">igr18320.sp3<\/span><\/strong><\/span><\/p>\n<ul>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>igr<\/strong> &#8211; Efem\u00e9rides r\u00e1pidas da IGS, somente GPS.<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>1832<\/strong> &#8211; Semana GPS que come\u00e7a em 01\/01\/1980<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>0<\/strong> &#8211; Dia da semana (Domingo = 0, segunda =1, ter\u00e7a = 2&#8230;s\u00e1bado=6)<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>_00<\/strong> &#8211; Hora de come\u00e7o das 48 horas.<\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>sp3<\/strong> &#8211; Precis\u00e3o padr\u00e3o vers\u00e3o 3<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Efem\u00e9rides finais<\/span><\/strong><\/span><\/h2>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A IGS publica as efem\u00e9rides finais entre 12 e 18 dias ap\u00f3s a observa\u00e7\u00e3o, todas as quinta-feiras.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">Exemplo de t\u00edtulo de arquivo contendo as efem\u00e9rides finais:<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">igs18231.sp3<\/span><\/strong> <span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><strong> igs<\/strong> &#8211; Efem\u00e9rides finais do IGS, somente GPS.<\/span><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>1823<\/strong> &#8211; Semana GPS que come\u00e7a em 01\/01\/1980<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>1<\/strong> &#8211; Dia da semana (Domingo = 0, segunda =1, ter\u00e7a = 2&#8230;s\u00e1bado=6)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>_00<\/strong> &#8211; Hora de come\u00e7o das 48 horas.<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"><strong>sp3<\/strong> &#8211; Precis\u00e3o padr\u00e3o vers\u00e3o 3<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">O que \u00e9 o picosegundo<\/span><\/strong><\/span><\/h2>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif;\"><span style=\"color: #000000;\">Caso voc\u00ea n\u00e3o tenha ouvido esta palavra antes, o <b>picosegundo<\/b> \u00e9 a unidade de tempo do<\/span> <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"Sistema Internacional de Unidades\" href=\"https:\/\/pt.wikipedia.org\/wiki\/Sistema_Internacional_de_Unidades\">Sistema Internacional de Unidades<\/a><\/span> q<span style=\"color: #000000;\">ue equivale \u00e0 trilhon\u00e9sima parte de um segundo, 10<sup>\u221212<\/sup> do segundo. Na escala de tempo, o picosegundo est\u00e1 entre o fentosegundo (1\/1000 ps) e o nanosegundo (1000 ps).<\/span><\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">Perceba que as efem\u00e9rides r\u00e1pidas e finais necessitam utilizar uma precis\u00e3o temporal de tal ordem, pois o<\/span> <span style=\"color: #0000ff;\"><a href=\"http:\/\/adenilsongiovanini.com.br\/blog\/posicionamento-pelo-gnss-georreferenciamento\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000ff;\">posicionamento pelo GNSS<\/a><\/span> <span style=\"color: #000000;\">utiliza uma onda que se desloca a velocidade da luz, ou seja 300.000 metros por segundo. Com isso, somente<\/span> <span style=\"color: #0000ff;\"><a href=\"https:\/\/pt.wikipedia.org\/wiki\/Rel%C3%B3gio_at%C3%B4mico\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000ff;\">rel\u00f3gios at\u00f4micos<\/a><\/span> <span style=\"color: #000000;\">de c\u00e9sio, quando observados com tal crit\u00e9rio possibilitam uma acur\u00e1cia centim\u00e9trica.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">P<span style=\"color: #000000;\">rincipais institui\u00e7\u00f5es que calculam e difundem os dados ef\u00eameros<\/span><\/span><\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">International GNSS Service (IGS)<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-size: 20px; color: #000000;\"><a href=\"http:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/igs-e-o-servi\u00e7o-de-c\u00e1lculo-das-efem\u00e9rides.png\" style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter wp-image-2177\" src=\"http:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/igs-e-o-servi\u00e7o-de-c\u00e1lculo-das-efem\u00e9rides.png\" alt=\"igs e o servi\u00e7o de c\u00e1lculo das efem\u00e9rides\" width=\"780\" height=\"200\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/igs-e-o-servi\u00e7o-de-c\u00e1lculo-das-efem\u00e9rides.png 980w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/igs-e-o-servi\u00e7o-de-c\u00e1lculo-das-efem\u00e9rides-300x77.png 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/igs-e-o-servi\u00e7o-de-c\u00e1lculo-das-efem\u00e9rides-780x200.png 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/igs-e-o-servi\u00e7o-de-c\u00e1lculo-das-efem\u00e9rides-768x197.png 768w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A IGS \u00e9 uma institui\u00e7\u00e3o sem fins lucrativos formada por mais de 200 ag\u00eancias de todo o mundo que contribuem recursos e dados de esta\u00e7\u00f5es GPS e GLONASS com a finalidade de obter produtos GPS e GLONASS precisos.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A pr\u00f3pria IGS, na descri\u00e7\u00e3o presente em seu site, traz o seguinte texto:<\/span><\/p>\n<blockquote style=\"border: 2px double #e6db55; background: #fffbcc none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; color: #323232; padding-left: 15px; padding-top: 10px; padding-bottom: 10px;\"><p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">A IGS est\u00e1 comprometido em proporcionar dados e produtos de m\u00e1xima qualidade como padr\u00e3o para a navega\u00e7\u00e3o por sat\u00e9lite em apoio a investiga\u00e7\u00f5es cientificas da terra, aplica\u00e7\u00f5es multidisciplinares e educacionais.<\/span><\/p><\/blockquote>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A mesma \u00e9 considerada a comunidade civil internacional de m\u00e1xima precis\u00e3o GNSS.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\"><strong>Esta\u00e7\u00f5es IGS pelo mundo<\/strong><\/span><\/h3>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A IGS coleta, arquiva e distribui livremente conjuntos de dados de observa\u00e7\u00e3o do Sistema Global de Navega\u00e7\u00e3o por Sat\u00e9lite (GNSS) de uma rede global de esta\u00e7\u00f5es de rastreamento terrestre operada cooperativamente.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">As esta\u00e7\u00f5es IGS fornecem rastreamento cont\u00ednuo usando receptores de alta precis\u00e3o e possuem instala\u00e7\u00f5es de transmiss\u00e3o de dados permitindo uma transmiss\u00e3o de dados r\u00e1pida (minimamente: di\u00e1ria) para os data centers.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">Os dados da esta\u00e7\u00e3o s\u00e3o arquivados e distribu\u00eddos pelos Data Centers da IGS, sendo que a disponibilidade dos dados de mapas foi terceirizada para o<\/span> <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/cddis.nasa.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\">CDDIS<\/a><\/span> <span style=\"color: #000000;\">(Sistema de Informa\u00e7\u00e3o de Dados de Din\u00e2mica de Crustal).<\/span><\/span><\/p>\n<p><span style=\"font-size: 20px; color: #000000;\"><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Veja na imagem abaixo <\/span><span style=\"font-family: arial, helvetica, sans-serif;\">a localiza\u00e7\u00e3o das diferentes esta\u00e7\u00f5es de rastreamento de dados IGS pelo Mundo.<\/span><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px;\"><a href=\"http:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/centros-igs.png\"><img decoding=\"async\" class=\"aligncenter wp-image-2180 size-large\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/centros-igs-780x467.png\" alt=\"centros igs\" width=\"780\" height=\"467\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/centros-igs-780x467.png 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/centros-igs-300x179.png 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/centros-igs-768x459.png 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2018\/11\/centros-igs.png 983w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">Para navegar no mapa e ver exatamente qual a localiza\u00e7\u00e3o de cada uma das esta\u00e7\u00f5es da IGS \u00e9 s\u00f3 acessar<\/span> <a href=\"http:\/\/www.igs.org\/network\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0000ff; line-height: 1.3;\">esta sub-p\u00e1gina<\/span><\/a> <span style=\"color: #000000;\">no site da IGS.<\/span><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Segue tamb\u00e9m uma lista com as principais institui\u00e7\u00f5es que calculam e difundem dados GNSS como: efem\u00e9rides, corre\u00e7\u00f5es dos rel\u00f3gios dos sat\u00e9lites, coordenadas das esta\u00e7\u00f5es de seguimento e par\u00e2metros atmosf\u00e9ricos.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">A maioria destas ag\u00eancias s\u00e3o centros de an\u00e1lises que fazem parte do IGS.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Center For Orbit Determination in Europe (CODE)<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000;\">Korea Astronomy and Space Science Intitute (KASI)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Crustal Dynamics Data Information System (CDDIS)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Scripps Orbit and Permanent Array Center (SOPAC)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Institute National de I&#8217;Information Geographique et Forsti\u00e8re (IGN)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Australian Government Geoscience Australiana (AUSLIG)<\/span><br \/>\n<span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\"> GNSS Data center (GDC)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Hartebeesthoek Radio Astronomy Observatory (HRAO)<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Mission Control Centre (MCC)<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: center;\"><\/h3>\n<h3 style=\"text-align: center;\"><strong><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Download de dados IGS<\/span><\/strong><\/h3>\n<p><span style=\"font-size: 20px; color: #000000;\"><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">A IGS tem d\u00e9cadas de dados arquivados que podem ser acessados atrav\u00e9s via <a href=\"https:\/\/www.hostinger.com.br\/tutoriais\/ftp-o-que-e-como-funciona\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #000000;\">ftp<\/a>. <\/span><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Veja na lista abaixo os diferentes dados disponibilizados.<\/span><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Efem\u00e9rides de Sat\u00e9lite GPS \/ Rel\u00f3gios de Sat\u00e9lite e de Esta\u00e7\u00e3o;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Efem\u00e9rides de sat\u00e9lite GLONASS;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Coordenadas Geoc\u00eantricas de Esta\u00e7\u00f5es de Rastreamento IGS;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Rota\u00e7\u00e3o da Terra;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000;\">Par\u00e2metros Atmosf\u00e9ricos.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">Atrav\u00e9s<\/span> <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"http:\/\/www.igs.org\/products\" target=\"_blank\" rel=\"noopener noreferrer\">desta p\u00e1gina<\/a><\/span> <span style=\"color: #000000;\">voc\u00ea poder\u00e1 ver mais informa\u00e7\u00f5es referentes aos tipos de dados, precis\u00e3o, lat\u00eancia, atualiza\u00e7\u00f5es e intervalo de amostragem.<\/span><\/span><\/p>\n<h3><\/h3>\n<h3 style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Como baixar as efem\u00e9rides <\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">Os dados ef\u00eameros podem ser baixados a partir do site GNSS Calendar,<\/span> <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"http:\/\/www.gnsscalendar.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">neste link<\/a><\/span>.<\/span><br \/>\n<span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Os dados disponibilizados pelo GNSS Calendar s\u00e3o:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">GPS Final Orbits (IGS) &#8211; \u00d3rbitas finais do GPS (IGS);<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">GlONASS Final Orbits (CDDIS) &#8211; \u00d3rbitas Finais Glonass (CDDIS);<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">BRDC GPS Broadcast Orbits (BRDC) &#8211; \u00d3rbitas de radiodifus\u00e3o GPS BRDC (BRDC);<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">IGSCB Clock file 30 s (IGS) &#8211; Arquivo IGSCB Clock 30 s (IGS);<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">AIUB ION file &#8211; Arquivo AIUB ION (ionosfera);<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">AIUB SNX file;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">SNX file for Week &#8211; Arquivo SNX para a semana;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">P1C1 DCB;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; line-height: 1.3; color: #000000;\">P1P2 DCB.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Lembre-se que, conforme eu informei anteriormente, ap\u00f3s ir a campo, voc\u00ea precisa esperar o tempo necess\u00e1rio at\u00e9 que as efem\u00e9rides sejam disponibilizadas pelos diferentes \u00f3rg\u00e3os.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 20px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Arquivos \u00fateis adicionais fornecidos pelo site GNSS calendar<\/span><\/strong><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Arquivo Antex IGS08;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Arquivo do tipo receptor;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Conversor Rinex entre vers\u00f5es rinex;<\/span><\/li>\n<li><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">gLAB &#8211; Software livre para processar e analisar dados GNSS.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\"><span style=\"color: #000000;\">Para fazer o download destes arquivos \u00e9 s\u00f3 acessar a<\/span><a href=\"http:\/\/www.gnsscalendar.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0000ff;\"> p\u00e1gina do GNSS calendar<\/span> <\/a><span style=\"color: #000000;\">e rodar a mesma at\u00e9 o final, ter\u00e1 a se\u00e7\u00e3o arquivos \u00fateis adicionais.<\/span><\/span><\/p>\n<h2><\/h2>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Que tal elevar seus conhecimentos para o pr\u00f3ximo n\u00edvel?<\/span><\/strong><\/span><\/h2>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Se voc\u00ea gostou deste artigo eu tenho um convite para voc\u00ea. Eu possuo um Minicurso Gr\u00e1tis de Georreferenciamento de Im\u00f3veis Rurais. \u00c9 uma semana de imers\u00e3o que costuma acontecer 2 ou 3 vezes por ano.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Durante a mesma eu passo centenas de conhecimentos, dicas e sacadas sobre <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/metodo-georref-sem-misterios\/\" style=\"color: #0000ff;\">Georreferenciamento de Im\u00f3veis Rurais<\/a><\/span>, Posicionamento pelo GNSS, procedimento a campo e Legisla\u00e7\u00e3o Cadastral.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3; color: #000000;\">Normalmente mais de 3.000 profissionais participam do minicurso. Para cadastrar-se, juntar-se a este seleto grupo e participar da pr\u00f3xima edi\u00e7\u00e3o do minicurso \u00e9 s\u00f3 clicar neste link.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000; line-height: 1.3;\">Se voc\u00ea quer<strong> MERGULHAR FUNDO e aprender a prestar servi\u00e7os com grande velocidade e com seguran\u00e7a<\/strong>, <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/cursos-online\/\">acesse este link<\/a><\/span> e conhe\u00e7a os mesmos.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Entre eles, o <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/curso-de-autocad-para-topografia\/\" target=\"_blank\" rel=\"noopener noreferrer\">Curso de Confec\u00e7\u00e3o de Plantas Topogr\u00e1ficas<\/a><\/span>. <span style=\"color: #000000;\">Um <\/span><\/span><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">curso pr\u00e1tico\u00a0<\/span><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">com o qual voc\u00ea vai <strong>aprender a produzir as 15 diferentes plantas produzidas em um escrit\u00f3rio de topografia<\/strong>.<\/span><\/span><\/p>\n<p><a href=\"https:\/\/adenilsongiovanini.com.br\/curso-de-autocad-para-topografia\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter wp-image-31689\" src=\"https:\/\/adenilsongiovanini.com.br\/wp-content\/uploads\/2022\/07\/planta-de-topografia-1024x612.png\" alt=\"\" width=\"770\" height=\"460\" \/><\/a><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Clique <a href=\"https:\/\/adenilsongiovanini.com.br\/curso-de-autocad-para-topografia\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0000ff;\">neste link<\/span><\/a> e conhe\u00e7a melhor o mesmo.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Gratid\u00e3o por voc\u00ea ter lido o artigo. \ud83d\ude4f<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000; font-size: 24px;\"><strong>Domine a Topografia Cadastral atrav\u00e9s de um livro formado por centenas de exemplos pr\u00e1ticos <\/strong><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 20px;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/georreferenciamento-de-imoveis-rurais-na-pratica\/\" rel=\"nofollow noreferrer\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-19317\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1024x474.png\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1024x474.png 1024w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-300x139.png 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-768x355.png 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1536x711.png 1536w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-320x148.png 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-640x296.png 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-360x167.png 360w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-720x333.png 720w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1080x500.png 1080w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-800x370.png 800w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1280x592.png 1280w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento.png 1565w\" alt=\"livro de topografia e georreferenciamento\" width=\"1024\" height=\"474\" \/><\/a><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Voc\u00ea quer dominar a Topografia Cadastral?<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Ent\u00e3o eu tenho uma \u00f3tima noticia para voc\u00ea. Me refiro ao <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/georreferenciamento-de-imoveis-rurais-na-pratica\/\" rel=\"nofollow noreferrer\">livro Topografia Cadastral e Georreferenciamento de Im\u00f3veis Rurais na Pr\u00e1tica<\/a><\/span>.<\/span><\/p>\n<p><span style=\"font-size: 20px;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">O mesmo \u00e9 dividido em 10 cap\u00edtulos recheados com muitos estudos de caso e exemplos pr\u00e1ticos. D\u00ea uma espiadinha no sum\u00e1rio do mesmo:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><center><iframe width=\"99%\" height=\"980\" src=\"https:\/\/drive.google.com\/file\/d\/1HJ8fZz1PvPmftfXHJNFTvIBBzY_FZhPJ\/preview\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/center><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 20px;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Para conhecer melhor a estrutura do livro, juntar-se a mais de 800 profissionais e adquirir sua c\u00f3pia \u00e9 s\u00f3 clicar no bot\u00e3o abaixo:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000; font-size: 20px;\"><div class=\"su-button-center\"><a href=\"https:\/\/adenilsongiovanini.com.br\/georreferenciamento-de-imoveis-rurais-na-pratica\/\" class=\"su-button su-button-style-3d\" style=\"color:#000000;background-color:#2BCC2F;border-color:#23a426;border-radius:9px\" target=\"_blank\" rel=\"nofollow\" id=\"1\"><span style=\"color:#000000;padding:0px 24px;font-size:18px;line-height:36px;border-color:#6bdc6e;border-radius:9px;text-shadow:0px 0px 0px #000000\"> \u279c Quero Conhecer Melhor o Livro, Pois Quero e Preciso Aprender Mais Sobre Legisla\u00e7\u00e3o Cadastral e Geo. de Im\u00f3veis Rurais<\/span><\/a><\/div><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Afinal de contas o que s\u00e3o efem\u00e9rides, para o que as mesmas servem e onde baixar as mesmas. Voc\u00ea j\u00e1 se fez esta pergunta? \ud83e\udd14 Pois bem, neste artigo voc\u00ea vai aprender tudo isso e eu ainda irei lhe passar uma s\u00e9rie de conhecimentos extras retirados diretamente do meu ba\u00fa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2184,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-2162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topografia-cadastral"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Efem\u00e9rides: o que s\u00e3o e como baixar? - Adenilson Giovanini<\/title>\n<meta name=\"description\" content=\"Descubra o que s\u00e3o, para o que servem e como baixar as efem\u00e9rides, utilizando as mesmas no tratamento de dados obtidos pelo GNSS.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/tipos-de-efemerides\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Efem\u00e9rides: o que s\u00e3o e como baixar? 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