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

KS3I callsign genealogy

Currently held by GAYDOS JR, GEORGE M

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 KS3I's current licensee, walking backwards.

  1. AF6SKcancelled· E
    Sandberg, KenCAgranted 2009-10-05cancelled 2009-11-03
  2. AF6SJcancelled· E
    Sandberg, KenCAgranted 2009-10-05cancelled 2009-10-08
  3. KJ6COFcancelled· E
    Sandberg, KenCAgranted 2009-10-05cancelled 2009-10-07
  4. KJ6CNPcancelled· T
    Sandberg, KenCAgranted 2009-10-05cancelled 2009-10-06

Successor callsigns

Callsigns held now by people who previously held KS3I.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KS3I, oldest first.

  • GAYDOS JR, GEORGE M PA
    1992-05-05 → cancelled 2004-05-06
  • Sandberg, Ken CA
    2019-08-06 active
← Back to KS3I License history →