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

W1TYC callsign genealogy

Currently held by Cawthon, William T

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 W1TYC's current licensee, walking backwards.

  1. KE8PMJcancelled· G
    Cawthon, William TMIgranted 2020-09-21cancelled 2020-10-20

Successor callsigns

Callsigns held now by people who previously held W1TYC.

No current licensee on record previously held this callsign.