Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GCN callsign genealogy
Currently held by KETRING, MARK A
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 K7GCN's current licensee, walking backwards.
- KETRING, MARK AAZgranted 2020-09-28cancelled 2020-10-23
Successor callsigns
Callsigns held now by people who previously held K7GCN.
No current licensee on record previously held this callsign.