Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0MED callsign genealogy
Currently held by Patnoe, Harold M
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 KA0MED's current licensee, walking backwards.
- Spooner, JohnMOgranted 2024-01-24cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KA0MED.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0MED, oldest first.
- Patnoe, Harold M MN2003-07-16 → cancelled 2015-07-17
- Spooner, John MO2025-12-09 active