Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7HDM callsign genealogy
Currently held by TONSETH, SETH 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 K7HDM's current licensee, walking backwards.
- TONSETH, SETH WWAgranted 2018-04-03cancelled 2019-07-02
Successor callsigns
Callsigns held now by people who previously held K7HDM.
No current licensee on record previously held this callsign.