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

NO7J callsign genealogy

Currently held by ANDERSON, ROBERT L

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 NO7J's current licensee, walking backwards.

  1. N4SZactive· E
    BILLSTROM, DAVID JVAgranted 2024-09-28
  2. W7FRLcancelled· E
    BILLSTROM, DAVID JNCgranted 2023-06-22cancelled 2024-09-28
  3. N7UUKcancelled· G
    BILLSTROM, DAVID JNCgranted 2011-11-15cancelled 2013-09-07

Successor callsigns

Callsigns held now by people who previously held NO7J.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NO7J, oldest first.

  • ANDERSON, ROBERT L WY
    2010-05-07 → cancelled 2022-08-02
  • Yellow Jacket Contest Club ID
    2022-09-09 active