Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1GUB callsign genealogy
Currently held by ZIMMER, JOSEPH A
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 N1GUB's current licensee, walking backwards.
- Zimmer, Joseph AFLgranted 2023-11-22cancelled 2023-12-12
Successor callsigns
Callsigns held now by people who previously held N1GUB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1GUB, oldest first.
- ZIMMER, JOSEPH A NH1989-07-18 → cancelled 2001-07-19
- Zimmer, Joseph A FL2023-12-12 active