Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0AMF callsign genealogy
Currently held by Christian, Colleen 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 K0AMF's current licensee, walking backwards.
- Christian, Colleen LMNgranted 2017-03-23cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held K0AMF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0AMF, oldest first.
- Filippov Yu, Michael CO2003-07-04 → cancelled 2015-07-07
- Christian, Colleen L MN2017-04-11 active