Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RPG callsign genealogy
Currently held by Grome, Riley 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 K4RPG's current licensee, walking backwards.
- Grome, Riley PGAgranted 2015-11-18cancelled 2015-12-08
Successor callsigns
Callsigns held now by people who previously held K4RPG.
No current licensee on record previously held this callsign.