[IGS-Equipment-Files] rcvr_ant.tab and antenna.gra file updates

[David Maggert]

Dear Colleagues,

The following items have been added or updated to the rcvr_ant.tab and antenna.gra files.


| 22 JUL 2025  Added PRINCE I20AR, PRNI20AR, PRINCE I30VR, PRNI30VR,           |
|                PRINCE I90VR, PRNI90VR, GINTEC G50, GING50, abbreviation UTC  |


https://files.igs.org/pub/station/general/rcvr_ant.tab
https://files.igs.org/pub/station/general/antenna.gra


Best Regards,
David Maggert
Network Coordinator
IGS Central Bureau