Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5QO callsign genealogy
Currently held by Rum, Thomas S
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 KD5QO's current licensee, walking backwards.
- KA5KJPno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD5QO.
- Rum, Thomas STXgranted 2026-01-21