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

WT4MK callsign genealogy

Currently held by Kunkle, Mark 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 WT4MK's current licensee, walking backwards.

  1. K4MAKactive· T
    KLUG, MATTHEW ATNgranted 2022-06-01
  2. KK4NPNcancelled· T
    KLUG, MATTHEW ATNgranted 2020-04-04cancelled 2022-06-01
  3. KC9SKNcancelled· T
    KLUG, MATTHEW ATNgranted 2010-05-18cancelled 2012-12-29

Successor callsigns

Callsigns held now by people who previously held WT4MK.

No current licensee on record previously held this callsign.

← Back to WT4MK License history →