Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0FWM callsign genealogy
Currently held by SHUMAN, FREDERIC L
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 KC0FWM's current licensee, walking backwards.
- N0YZFcancelledcancelled 1999-05-24
Successor callsigns
Callsigns held now by people who previously held KC0FWM.
- SHUMAN, FREDERIC LCOgranted 2010-03-12cancelled 2022-03-15