Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5JMM callsign genealogy
Currently held by McGuire, Jason M
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 N5JMM's current licensee, walking backwards.
- Mcguire, Jason MTXgranted 2019-07-03cancelled 2019-07-23
Successor callsigns
Callsigns held now by people who previously held N5JMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5JMM, oldest first.
- WELCH, MICHAEL W TX1998-01-15 → cancelled 2010-01-16
- McGuire, Jason M TX2019-07-23 active