Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4BTM callsign genealogy
Currently held by CONNER, DAVID 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 N4BTM's current licensee, walking backwards.
- Martin Sr, Bernard TGAgranted 2014-11-17cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held N4BTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4BTM, oldest first.
- CONNER, DAVID F VA1995-07-27 → cancelled 2007-07-28
- Martin Sr, Bernard T GA2016-12-23 active