Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1GCF callsign genealogy
Currently held by Feldman, Geoffrey 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 W1GCF's current licensee, walking backwards.
- Feldman, Geoffrey CMAgranted 2018-11-20cancelled 2019-02-12
Successor callsigns
Callsigns held now by people who previously held W1GCF.
No current licensee on record previously held this callsign.