Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL0XK callsign genealogy
Currently held by Koehler, Donald E
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 KL0XK's current licensee, walking backwards.
- KOEHLER, DONALD EAKgranted 1992-01-28cancelled 2000-05-09
- WB7WHKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KL0XK.
- Koehler, Donald EAKgranted 2025-04-01