Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7MF callsign genealogy
Currently held by MC CALLUM, ROY 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 KC7MF's current licensee, walking backwards.
- McCallum, Richard LAZgranted 2008-07-09cancelled 2012-07-17
Successor callsigns
Callsigns held now by people who previously held KC7MF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7MF, oldest first.
- MC CALLUM, ROY L AZ1995-12-11 → cancelled 2007-12-12
- McCallum, Richard L AZ2022-07-01 active