Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1FJG callsign genealogy
Currently held by GRZYCH, 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 W1FJG's current licensee, walking backwards.
- KE1FJcancelledcancelled 1998-07-15
Successor callsigns
Callsigns held now by people who previously held W1FJG.
- GRZYCH, FRANK JRIgranted 2020-11-13