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

K7SPS callsign genealogy

Currently held by SMITH, STEPHEN P

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 K7SPS's current licensee, walking backwards.

  1. K6SPSactive· E
    Stadler, Steven PCAgranted 2023-06-09
  2. AJ6DQcancelled· E
    Stadler, Steven PCAgranted 2016-06-06cancelled 2023-06-09
  3. KM6DGZcancelled· E
    Stadler, Steven PCAgranted 2016-06-06cancelled 2018-05-24

Successor callsigns

Callsigns held now by people who previously held K7SPS.

  1. W7CGAactive· E
    APPEL, CLIFFORD JSDgranted 2024-03-13

All historical holders

Every license row we've seen with the callsign K7SPS, oldest first.

  • APPEL, CLIFFORD J WA
    2002-12-18 → cancelled 2004-05-18
  • SMITH, STEPHEN P ID
    2021-01-05 active
← Back to K7SPS License history →