uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K7AAO callsign genealogy

Currently held by CAMPBELL, WILLIAM 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 K7AAO's current licensee, walking backwards.

  1. KG7AAOcancelled· E
    LOUGEE, KENNETHUTgranted 2012-11-30cancelled 2013-08-20

Successor callsigns

Callsigns held now by people who previously held K7AAO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K7AAO, oldest first.

  • CAMPBELL, WILLIAM R ID
    1997-10-06 → cancelled 2009-10-07
  • LOUGEE, KENNETH UT
    2023-06-01 active