uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N6SJT callsign genealogy

Currently held by Tepper, Robert G

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 N6SJT's current licensee, walking backwards.

  1. KO6HFFcancelled· G
    Tepper, Robert GCAgranted 2024-12-19cancelled 2025-04-12

Successor callsigns

Callsigns held now by people who previously held N6SJT.

  1. K4KOIactive· T
    OI, KAREN LWAgranted 2020-06-09

All historical holders

Every license row we've seen with the callsign N6SJT, oldest first.

  • OI, KAREN L TN
    1991-07-30 → cancelled 2000-06-17
  • Tepper, Robert G CA
    2025-04-12 active