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

W1CMC callsign genealogy

Currently held by COLDWELL, CHARLES M

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 W1CMC's current licensee, walking backwards.

  1. AB1IFcancelled· E
    COLDWELL, CHARLES MMAgranted 2008-01-24cancelled 2008-02-12

Successor callsigns

Callsigns held now by people who previously held W1CMC.

No current licensee on record previously held this callsign.