Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4UL callsign genealogy
Currently held by Crissman, Donnie B
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 KV4UL's current licensee, walking backwards.
- Crissman, Donnie BKYgranted 2013-05-21cancelled 2014-01-21
Successor callsigns
Callsigns held now by people who previously held KV4UL.
No current licensee on record previously held this callsign.