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

KD1OT callsign genealogy

Currently held by GOOLSBY II, LEON

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 KD1OT's current licensee, walking backwards.

  1. KB1CQcancelled· A
    GOOLSBY II, LEONCTgranted 2013-10-17cancelled 2018-11-20

Successor callsigns

Callsigns held now by people who previously held KD1OT.

  1. KB1CQcancelled· A
    GOOLSBY II, LEONCTgranted 2013-10-17cancelled 2018-11-20

All historical holders

Every license row we've seen with the callsign KD1OT, oldest first.

  • GOOLSBY II, LEON CT
    2013-05-03 → cancelled 2013-10-17
  • GOOLSBY II, LEON CT
    2018-11-20 active
← Back to KD1OT License history →