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

K7MSO callsign genealogy

Currently held by LEARY, MICHAEL P

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 K7MSO's current licensee, walking backwards.

  1. KE7IZGcancelled· G
    LEARY, MICHAEL PMTgranted 2006-09-20cancelled 2010-06-04

Successor callsigns

Callsigns held now by people who previously held K7MSO.

No current licensee on record previously held this callsign.