Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO8R callsign genealogy
Currently held by HARPER, HAROLD M
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 KO8R's current licensee, walking backwards.
- Worley, Alvin RMIgranted 2004-03-11cancelled 2010-03-23
Successor callsigns
Callsigns held now by people who previously held KO8R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO8R, oldest first.
- HARPER, HAROLD M MI1996-03-25 → cancelled 2008-03-26
- Worley, Alvin R MI2019-12-31 active