Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1BIZ callsign genealogy
Currently held by Bisbano Jr, John D
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 N1BIZ's current licensee, walking backwards.
- Bisbano Jr, John DMAgranted 2020-01-28cancelled 2020-02-21
Successor callsigns
Callsigns held now by people who previously held N1BIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1BIZ, oldest first.
- JENKINS, MORRIS E FL1991-05-07 → cancelled 2003-05-08
- Bisbano Jr, John D MA2020-02-21 active