Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9GSC callsign genealogy
Currently held by Cohen, Gary
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 K9GSC's current licensee, walking backwards.
- Cohen, GaryORgranted 2017-04-04cancelled 2017-05-26
Successor callsigns
Callsigns held now by people who previously held K9GSC.
No current licensee on record previously held this callsign.