Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB8ZOP callsign genealogy
Currently held by HOUGHTON, STEPHEN C
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 KB8ZOP's current licensee, walking backwards.
- HOUGHTON, STEPHEN COHgranted 2013-10-21cancelled 2013-11-13
Successor callsigns
Callsigns held now by people who previously held KB8ZOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB8ZOP, oldest first.
- HOUGHTON, STEPHEN C OH1995-05-17 → cancelled 2007-05-18
- HOUGHTON, STEPHEN C OH2013-11-13 → cancelled 2026-03-07