Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FWK callsign genealogy
Currently held by Keith IV, Frank W
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 K4FWK's current licensee, walking backwards.
- Keith IV, Frank WGAgranted 2022-09-07cancelled 2023-08-08
Successor callsigns
Callsigns held now by people who previously held K4FWK.
No current licensee on record previously held this callsign.