Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FWD callsign genealogy
Currently held by Diehl, 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 K4FWD's current licensee, walking backwards.
- Diehl, Frank WVAgranted 2018-01-26cancelled 2018-05-04
Successor callsigns
Callsigns held now by people who previously held K4FWD.
No current licensee on record previously held this callsign.