uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KK7SI callsign genealogy

Currently held by TURNER, WILLIAM L

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 KK7SI's current licensee, walking backwards.

  1. KC7ZUAcancelled· G
    TURNER, WILLIAM Lcancelled 1999-03-08

Successor callsigns

Callsigns held now by people who previously held KK7SI.

No current licensee on record previously held this callsign.