Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2JWF callsign genealogy
Currently held by FREDERICKS, JOHN 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 K2JWF's current licensee, walking backwards.
- FREDERICKS, JOHN WTNgranted 2019-02-11cancelled 2019-03-05
Successor callsigns
Callsigns held now by people who previously held K2JWF.
No current licensee on record previously held this callsign.