This PNG graphic was created with GIMP. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. You are free:

File:Gps-atmospheric-efects.png licensed with Cc-by-sa-3.0 2010-04-09T14:08:51Z Javiersanp 600x592 (223712 Bytes) {{Information |Description={{es|1=Efecto

{{Information |Description={{es|1=Efecto de la atmósfera en la propagación de la señal GPS.}} {{en|1=Effect of the atmosphere in the GPS signal propagation.}} {{pl|1=Efekty

  This PNG graphic was created with GIMP. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. You are free:

PD-USGov-Military-Air Force 2005-03-26T18:06:36Z GDK 400x400 (20897 Bytes) NAVSTAR-2 (GPS-2) satellite Source: http://www.jpl.nasa.gov/images/grace/grace_083002_browse