Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA0OO callsign genealogy
Currently held by THOMPSON, MARVIN L
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 NA0OO's current licensee, walking backwards.
- THOMPSON, MARVIN LMOgranted 2006-11-21cancelled 2009-01-24
Successor callsigns
Callsigns held now by people who previously held NA0OO.
No current licensee on record previously held this callsign.