Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6RMO callsign genealogy
Currently held by Armo, Matthew 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 K6RMO's current licensee, walking backwards.
- Armo, MatthewCAgranted 2024-12-24cancelled 2025-01-22
Successor callsigns
Callsigns held now by people who previously held K6RMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6RMO, oldest first.
- MC ALISTER, ED D NM2002-03-19 → cancelled 2014-06-17
- Armo, Matthew F CA2025-01-22 active