Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7OAO callsign genealogy
Currently held by STILWATER, JAMES 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 K7OAO's current licensee, walking backwards.
- STILWATER, JAMES HWAgranted 2009-07-10cancelled 2013-02-22
Successor callsigns
Callsigns held now by people who previously held K7OAO.
No current licensee on record previously held this callsign.