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

K6WLT callsign genealogy

Currently held by SCHLEFSTEIN, SCOTT A

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 K6WLT's current licensee, walking backwards.

  1. KN6QPZcancelled· T
    Haverland Jr, Walter KCAgranted 2021-09-24cancelled 2021-10-15

Successor callsigns

Callsigns held now by people who previously held K6WLT.

  1. N5TENactive· E
    SCHLEFSTEIN, SCOTT ACAgranted 2022-06-18

All historical holders

Every license row we've seen with the callsign K6WLT, oldest first.

  • SCHLEFSTEIN, SCOTT A CA
    2008-09-16 → cancelled 2012-06-29
  • Haverland Jr, Walter K CA
    2021-10-15 active