Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR7GRP callsign genealogy
Currently held by Petersen, 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 KR7GRP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KR7GRP.
No current licensee on record previously held this callsign.