Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0CGM callsign genealogy
Currently held by THOMAS, ROBERT L
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 K0CGM's current licensee, walking backwards.
- TINGLE, CAROLYN RNEgranted 2014-07-30cancelled 2017-05-06
Successor callsigns
Callsigns held now by people who previously held K0CGM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0CGM, oldest first.
- THOMAS, ROBERT L NE2007-06-26 → cancelled 2015-05-18
- TINGLE, CAROLYN R NE2017-05-06 active