Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7JMG callsign genealogy
Currently held by Glennon, James 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 N7JMG's current licensee, walking backwards.
- Glennon, James MIDgranted 2017-08-01cancelled 2023-08-11
Successor callsigns
Callsigns held now by people who previously held N7JMG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7JMG, oldest first.
- COFFMAN, MARK A NV1997-10-14 → cancelled 2009-10-15
- Glennon, James M ID2023-08-11 active