Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MAM callsign genealogy
Currently held by MONTGOMERY, MARK A
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 N7MAM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N7MAM.
- MONTGOMERY, MARK AORgranted 2023-12-22
All historical holders
Every license row we've seen with the callsign N7MAM, oldest first.
- STEWARD, LARRY E WA1988-12-27 → cancelled 2000-12-28
- MONTGOMERY, MARK A OR2021-02-12 → cancelled 2023-12-22