Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7UO callsign genealogy
Currently held by Hetrick Jr, Hugh R
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 KK7UO's current licensee, walking backwards.
- HETRICK JR, HUGH RWAgranted 1998-12-22cancelled 1999-10-09
Successor callsigns
Callsigns held now by people who previously held KK7UO.
No current licensee on record previously held this callsign.