GRN  igs14_2247.atx  https://sideshow.jpl.nasa.gov/pub/gipsy_files/gipsy_params/etc/antenna_cals_xmit/igs14_2247.atx.gz
SAT  igs14_2247.xyz  https://sideshow.jpl.nasa.gov/pub/gipsy_files/gipsy_params/etc/antenna_cals_xmit/igs14_2247.xyz.gz
PCM  igs14_2247.pcm  https://sideshow.jpl.nasa.gov/pub/gipsy_files/gipsy_params/etc/antenna_cals_xmit/igs14_2247.pcm.gz
