Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4CGC callsign genealogy
Currently held by FARRELL, WILLIAM 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 KR4CGC's current licensee, walking backwards.
- FARRELL, WILLIAM PVAgranted 2020-07-21cancelled 2025-03-14
Successor callsigns
Callsigns held now by people who previously held KR4CGC.
- FARRELL, WILLIAM PVAgranted 2020-07-21