Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NG6K callsign genealogy
Currently held by Ammermon, Spencer 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 NG6K's current licensee, walking backwards.
- AMMERMON, SPENCERCAgranted 2008-12-10cancelled 2010-04-17
Successor callsigns
Callsigns held now by people who previously held NG6K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NG6K, oldest first.
- THOMAS, RALPH L CA1997-10-27 → cancelled 2009-10-28
- Ammermon, Spencer M UT2020-02-26 active