Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7UIO callsign genealogy
Currently held by Thomas, Randall 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 KF7UIO's current licensee, walking backwards.
- Thomas, Randall HWAgranted 2012-02-13cancelled 2012-03-01
Successor callsigns
Callsigns held now by people who previously held KF7UIO.
- THOMAS, RANDALL HTXgranted 2022-01-05