Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7OCO callsign genealogy
Currently held by Fay, Colleen M
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 KC7OCO's current licensee, walking backwards.
- Fay, Colleen MNVgranted 2022-03-21cancelled 2022-04-08
Successor callsigns
Callsigns held now by people who previously held KC7OCO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7OCO, oldest first.
- BARSBALLE, WILLIAM L UT1995-11-30 → cancelled 2007-12-01
- Fay, Colleen M NV2022-04-08 active