Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0NAR callsign genealogy
Currently held by Cole, Reginald
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 KD0NAR's current licensee, walking backwards.
- Cole, Reginald BCOgranted 2025-08-12cancelled 2025-09-20
Successor callsigns
Callsigns held now by people who previously held KD0NAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0NAR, oldest first.
- Cole, Reginald CO2010-11-19 → cancelled 2022-11-22
- Cole, Reginald B CO2025-09-20 active