Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RG callsign genealogy
Currently held by GREIM, ROBERT E
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 K1RG's current licensee, walking backwards.
- Gechev, Rumen VMAgranted 2024-04-23cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held K1RG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RG, oldest first.
- GREIM, ROBERT E MA1996-07-24 → cancelled 2000-04-02
- GALLANT, RONALD FL2012-02-29 → cancelled 2024-04-24
- Gechev, Rumen V MA2024-05-14 active