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

KM3U callsign genealogy

Currently held by BELASCO, IRVIN J

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 KM3U's current licensee, walking backwards.

  1. KC3RYWcancelled· E
    CUMMINS, TODD APAgranted 2021-04-20cancelled 2021-09-10

Successor callsigns

Callsigns held now by people who previously held KM3U.

  1. W3IKactive· E
    Flail, David RFLgranted 2019-08-20

All historical holders

Every license row we've seen with the callsign KM3U, oldest first.

  • BELASCO, IRVIN J DE
    1987-11-10 → cancelled 1999-11-11
  • Flail, David R FL
    2011-01-28 → cancelled 2019-08-20
  • CUMMINS, TODD A PA
    2021-09-10 active
← Back to KM3U License history →