Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WK0H callsign genealogy
Currently held by REED, DONALD H
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 WK0H's current licensee, walking backwards.
- Coelho IV, John MCOgranted 2006-12-07cancelled 2010-07-09
Successor callsigns
Callsigns held now by people who previously held WK0H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WK0H, oldest first.
- REED, DONALD H MO1988-07-05 → cancelled 2000-07-06
- Coelho IV, John M WA2020-05-01 active