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Confidence: Medium · Source: FCC ULS · As of 2026-11-04

K7LST callsign genealogy

Currently held by Tanner, Lawrence S

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 K7LST's current licensee, walking backwards.

  1. AK7LYcancelled· E
    Tanner, Lawrence SCAgranted 2026-08-25cancelled 2026-09-19

Successor callsigns

Callsigns held now by people who previously held K7LST.

  1. AK7LYcancelled· E
    Tanner, Lawrence SCAgranted 2026-08-25cancelled 2026-09-19

All historical holders

Every license row we've seen with the callsign K7LST, oldest first.

  • Tanner, Lawrence S CA
    2019-04-16 → cancelled 2026-08-25
  • Tanner, Lawrence S CA
    2026-09-19 active