Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MOG callsign genealogy
Currently held by Collister, William 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 N7MOG's current licensee, walking backwards.
- COLLISTER, WILLIAM AWYgranted 2001-02-15cancelled 2001-05-11
Successor callsigns
Callsigns held now by people who previously held N7MOG.
- Collister, William AWYgranted 2020-05-12
All historical holders
Every license row we've seen with the callsign N7MOG, oldest first.
- MONTGOMERY, WALTER T WA1989-04-18 → cancelled 2001-04-19
- Collister, William A SD2011-03-29 → cancelled 2020-05-12