Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5GR callsign genealogy
Currently held by Robison MD, George R
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AD5GR's current licensee, walking backwards.
- ROBISON, GEORGE RTXgranted 2014-01-07cancelled 2014-04-18
Successor callsigns
Callsigns held now by people who previously held AD5GR.
- Hoge, James DTXgranted 2022-08-30
All historical holders
Every license row we've seen with the callsign AD5GR, oldest first.
- Hoge, James D TX2001-10-25 → cancelled 2002-11-05
- Robison MD, George R TX2024-02-03 active