Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0NHT callsign genealogy
Currently held by Swanson, John W
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 KD0NHT's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD0NHT.
- SWANSON, JOHN WNEgranted 2020-12-03cancelled 2026-02-18