Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB1D callsign genealogy
Currently held by WHITHAM, LEONARD 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 NB1D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NB1D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NB1D, oldest first.
- WHITHAM, LEONARD F CT1995-05-24 → cancelled 1996-01-29
- GUNZEL, RICHARD E CT2019-02-05 active