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

KB7JAX callsign genealogy

Currently held by Jones, Jack W

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 KB7JAX's current licensee, walking backwards.

  1. KK7BJEcancelled· G
    Jones, Jack WUTgranted 2021-10-14cancelled 2021-11-13

Successor callsigns

Callsigns held now by people who previously held KB7JAX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB7JAX, oldest first.

  • YRI, WALTER A WA
    1990-07-03 → cancelled 2002-07-04
  • Jones, Jack W UT
    2021-11-13 active