Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9SGM callsign genealogy
Currently held by Thompson, Daniel J
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 K9SGM's current licensee, walking backwards.
- Thompson, Daniel JFLgranted 2023-03-14cancelled 2023-06-09
Successor callsigns
Callsigns held now by people who previously held K9SGM.
No current licensee on record previously held this callsign.