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

NX7B callsign genealogy

Currently held by CHARLETON, KENNETH

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 NX7B's current licensee, walking backwards.

  1. K4FZHactive· E
    Holmstock, Fred ZFLgranted 2023-05-06
  2. KQ4GTWcancelled· E
    Holmstock, Fred ZFLgranted 2023-03-13cancelled 2023-05-06

Successor callsigns

Callsigns held now by people who previously held NX7B.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NX7B, oldest first.

  • SCARBOROUGH JR, BOB L AZ
    2006-03-09 → cancelled 2018-06-01
  • CHARLETON, KENNETH AZ
    2018-06-19 active