Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB6B callsign genealogy
Currently held by MORGENBESSER, MARTIN 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 NB6B's current licensee, walking backwards.
- Cullipher, Robert AVAgranted 2018-11-28cancelled 2019-04-30
Successor callsigns
Callsigns held now by people who previously held NB6B.
- MORGENBESSER, MARTIN JORgranted 2023-05-11
All historical holders
Every license row we've seen with the callsign NB6B, oldest first.
- MORGENBESSER, MARTIN J OR1996-03-19 → cancelled 2003-08-08
- GOLDEN EMPIRE DX CLUB CA2007-02-09 → cancelled 2019-02-12
- Cullipher, Robert A VA2019-04-30 active