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

KT3L callsign genealogy

Currently held by KUMP, HELMUTH W

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 KT3L's current licensee, walking backwards.

  1. N3BLTactive· T
    TERRY, BYRONUTgranted 2022-03-30
  2. KF7VUDcancelled· T
    TERRY, BYRONUTgranted 2012-05-15cancelled 2012-06-22

Successor callsigns

Callsigns held now by people who previously held KT3L.

No current licensee on record previously held this callsign.

← Back to KT3L License history →