Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5SNM callsign genealogy
Currently held by MILLER, ERNEST F
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 W5SNM's current licensee, walking backwards.
- Greiner Jr, David JNMgranted 2006-11-14cancelled 2008-01-01
- Greiner Jr, David JNMgranted 2006-11-14cancelled 2007-12-13
- Ross, William DTXgranted 2018-08-31cancelled 2023-09-29
- Ross, William DTXgranted 2017-09-11cancelled 2018-08-31
Successor callsigns
Callsigns held now by people who previously held W5SNM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5SNM, oldest first.
- MILLER, ERNEST F OK1995-08-01 → cancelled 2007-08-02
- Greiner Jr, David J NM2008-01-01 → cancelled 2020-01-03