Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6MTN callsign genealogy
Currently held by NEILSON, MARK T
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 K6MTN's current licensee, walking backwards.
- NEILSON, MARK TCAgranted 2015-02-05cancelled 2015-06-23
Successor callsigns
Callsigns held now by people who previously held K6MTN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MTN, oldest first.
- Amann, Karin F CA2003-04-29 → cancelled 2015-04-30
- NEILSON, MARK T CA2025-04-12 active