Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2KOA callsign genealogy
Currently held by DORRMANN, ALBERT L
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 K2KOA's current licensee, walking backwards.
- HAYNIE, DEREK EUTgranted 2009-03-23cancelled 2010-08-21
Successor callsigns
Callsigns held now by people who previously held K2KOA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2KOA, oldest first.
- DORRMANN, ALBERT L NY1994-05-24 → cancelled 2006-05-25
- HAYNIE, DEREK E UT2020-06-16 active