Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5UBI callsign genealogy
Currently held by KNASTER, MARTIN
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 N5UBI's current licensee, walking backwards.
- Hingle, John LMSgranted 2022-03-08cancelled 2022-04-29
Successor callsigns
Callsigns held now by people who previously held N5UBI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5UBI, oldest first.
- KNASTER, MARTIN NM2002-10-02 → cancelled 2014-06-19
- Hingle, John L MS2022-04-29 active