Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RFM callsign genealogy
Currently held by MC CARTHY, ROBERT F
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 K7RFM's current licensee, walking backwards.
- MILLER, ROBERT FAZgranted 2019-04-09cancelled 2020-02-04
Successor callsigns
Callsigns held now by people who previously held K7RFM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7RFM, oldest first.
- MC CARTHY, ROBERT F MT2007-10-18 → cancelled 2020-01-15
- Miller, Robert F AZ2020-02-04 active