Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K1FCS callsign genealogy
Currently held by Souza, Frederick C
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 K1FCS's current licensee, walking backwards.
- Souza, Frederick CMEgranted 2002-02-26cancelled 2003-04-22
Successor callsigns
Callsigns held now by people who previously held K1FCS.
No current licensee on record previously held this callsign.