Forums Recent Posts Forums Land Surveying & re... Strictly Surveying Firmware files Notifications Clear all Firmware files Strictly Surveying Last Post by TJE Yogi 3 years ago 1 Posts 1 Users 0 Reactions 95 Views RSS TJE Yogi (@tje-yogi) Posts: 67 Member Topic starter Does anyone have firmware files for a Topcon GR5 UHF receiver? I realize the receiver is not supported anymore. Posted : October 25, 2022 10:22 pm Share: Tweet Share Share