Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GRM callsign genealogy
Currently held by MORGAN, GARY 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 K4GRM's current licensee, walking backwards.
- Mulberry, Geoffrey RFLgranted 2018-11-27cancelled 2018-12-15
Successor callsigns
Callsigns held now by people who previously held K4GRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GRM, oldest first.
- MORGAN, GARY R GA2005-07-30 → cancelled 2017-08-01
- Mulberry, Geoffrey R FL2018-12-15 active