Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA1B callsign genealogy
Currently held by KOCH, RICHARD R
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 NA1B's current licensee, walking backwards.
- Gundel, Neil ECTgranted 2014-01-03cancelled 2014-01-28
Successor callsigns
Callsigns held now by people who previously held NA1B.
All historical holders
Every license row we've seen with the callsign NA1B, oldest first.
- GARFORTH, JACK P RI2002-07-22 → cancelled 2002-08-16
- BEAN, JOHN R E ME2006-02-25 → cancelled 2012-01-05
- Gundel, Neil E CT2023-11-02 active
- KOCH, RICHARD R— → cancelled 1998-12-17