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

WA6STM callsign genealogy

Currently held by HORN, WILLIAM E

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 WA6STM's current licensee, walking backwards.

  1. KC6HQYcancelled· P
    BARROWS, DANIEL WTXgranted 1990-08-28cancelled 2000-08-04

Successor callsigns

Callsigns held now by people who previously held WA6STM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WA6STM, oldest first.

  • HORN, WILLIAM E CA
    1987-08-25 → cancelled 1999-09-01
  • BARROWS, DANIEL W KS
    2020-06-12 active