Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4GRV callsign genealogy
Currently held by BEILMANN, KARL T
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 KF4GRV's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4GRV.
- BEILMANN, KARL TFLgranted 1997-10-30cancelled 2001-08-28