Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5ADV callsign genealogy
Currently held by ROY, OTIS J
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 N5ADV's current licensee, walking backwards.
- Maxwell, David DTXgranted 2016-12-30cancelled 2017-01-21
Successor callsigns
Callsigns held now by people who previously held N5ADV.
- Maxwell, David DTXgranted 2026-01-21
All historical holders
Every license row we've seen with the callsign N5ADV, oldest first.
- ROY, OTIS J LA1995-02-27 → cancelled 2007-02-28
- Maxwell, David D TX2017-01-21 → cancelled 2026-01-21