Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8ISX callsign genealogy
Currently held by Harper DC, Dale K
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 W8ISX's current licensee, walking backwards.
- HARPER, DALE KOHgranted 2006-11-29cancelled 2006-12-19
Successor callsigns
Callsigns held now by people who previously held W8ISX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8ISX, oldest first.
- HARPER, KEITH L OH1998-11-18 → cancelled 2000-10-16
- Harper DC, Dale K OH2016-10-08 active