Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GPR callsign genealogy
Currently held by Robins, Gregory P
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 K4GPR's current licensee, walking backwards.
- Robins, Gregory PSCgranted 2024-03-27cancelled 2026-05-29
Successor callsigns
Callsigns held now by people who previously held K4GPR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GPR, oldest first.
- RADIN, GERALD FL2007-06-22 → cancelled 2019-06-25
- Robins, Gregory P SC2026-05-29 active