Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4GRW callsign genealogy
Currently held by BEARD, JOHN M
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 KK4GRW's current licensee, walking backwards.
- BEARD, JOHN MTNgranted 2005-05-25cancelled 2012-02-10
Successor callsigns
Callsigns held now by people who previously held KK4GRW.
- BEARD, JOHN MTNgranted 2022-08-12