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

N4STX callsign genealogy

Currently held by MILLINER, WALTER T

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 N4STX's current licensee, walking backwards.

  1. N3FXBcancelled· G
    WORTHINGTON, BRENTFLgranted 2025-07-15cancelled 2026-05-30
  2. W6BWAcancelled· G
    WORTHINGTON, BRENTFLgranted 2024-05-17cancelled 2025-07-15
  3. KQ4RPOcancelled· T
    WORTHINGTON, BRENTFLgranted 2024-04-25cancelled 2024-05-17

Successor callsigns

Callsigns held now by people who previously held N4STX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4STX, oldest first.

  • MILLINER, WALTER T VA
    1998-03-05 → cancelled 2010-03-06
  • WORTHINGTON, BRENT FL
    2026-05-30 active