Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1NAH callsign genealogy
Currently held by COFFIN, RICHARD H
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 K1NAH's current licensee, walking backwards.
- COFFIN, RICHARD HCAgranted 2004-08-19cancelled 2006-05-02
Successor callsigns
Callsigns held now by people who previously held K1NAH.
- COFFIN, RICHARD HCAgranted 2026-06-05