Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8MTR callsign genealogy
Currently held by Regan, 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 K8MTR's current licensee, walking backwards.
- Regan, Mark TOHgranted 2003-04-09cancelled 2003-04-29
Successor callsigns
Callsigns held now by people who previously held K8MTR.
No current licensee on record previously held this callsign.