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

W0MRK callsign genealogy

Currently held by MENDENHALL, 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 W0MRK's current licensee, walking backwards.

  1. N0BUNcancelled· T
    MURRAY, CRAIG KCAgranted 2005-04-05cancelled 2006-06-13
  2. KE6SMNcancelled· T
    MURRAY, CRAIG KCAgranted 2005-03-09cancelled 2005-04-05

Successor callsigns

Callsigns held now by people who previously held W0MRK.

No current licensee on record previously held this callsign.