Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7QEO callsign genealogy
Currently held by PIERCE, CLARENCE 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 K7QEO's current licensee, walking backwards.
- Pierce, John SWAgranted 2010-12-16cancelled 2011-03-19
Successor callsigns
Callsigns held now by people who previously held K7QEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7QEO, oldest first.
- PIERCE, CLARENCE E OR1994-07-09 → cancelled 2006-07-11
- GENE'S HAMS WA2007-08-21 → cancelled 2011-02-11
- Pierce, John S AZ2021-02-05 active