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

NO3O callsign genealogy

Currently held by BLANGGER, EARL

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 NO3O's current licensee, walking backwards.

  1. NM6Mactive· E
    CUMMINS, DALE ECAgranted 2022-06-04
  2. K6AQVcancelled· E
    CUMMINS, DALE ECAgranted 2020-08-18cancelled 2022-06-04
  3. KC0AQVcancelled· E
    CUMMINS, DALE ECAgranted 2020-04-10cancelled 2020-08-18

Successor callsigns

Callsigns held now by people who previously held NO3O.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NO3O, oldest first.

  • BLANGGER, EARL PA
    2007-10-17 → cancelled 2020-01-16
  • WEBER, CHRISTOPHER D MD
    2020-05-16 active
← Back to NO3O License history →