Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WK3FF callsign genealogy
Currently held by FOSTER, FRANK J
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 WK3FF's current licensee, walking backwards.
- FOSTER, FRANK JPAgranted 1993-04-06cancelled 2000-03-11
Successor callsigns
Callsigns held now by people who previously held WK3FF.
- FOSTER, FRANK JTXgranted 2000-06-17cancelled 2012-06-19