Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6GCK callsign genealogy
Currently held by MARR, ANTHONY B
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 K6GCK's current licensee, walking backwards.
- Clare Kennedy, George FIAgranted 2020-04-03cancelled 2023-05-09
Successor callsigns
Callsigns held now by people who previously held K6GCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6GCK, oldest first.
- MARR, ANTHONY B OR2006-01-18 → cancelled 2018-02-01
- Clare Kennedy, George F IA2023-05-09 active