Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7MMA callsign genealogy
Currently held by CRITES, FREDERICK R
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 KA7MMA's current licensee, walking backwards.
- Archibald, Mark MUTgranted 2018-03-06cancelled 2018-03-27
Successor callsigns
Callsigns held now by people who previously held KA7MMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7MMA, oldest first.
- CRITES, FREDERICK R CA1988-03-15 → cancelled 2000-03-16
- Archibald, Mark M UT2018-03-27 active