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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K8SV callsign genealogy

Currently held by TRESSLER, RICHARD M

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 K8SV's current licensee, walking backwards.

  1. K7SGVcancelled· E
    Vermilya, Stephen GUTgranted 2013-01-29cancelled 2013-07-19
  2. KD7HXGcancelled· T
    Vermilya, Stephen GMTgranted 2000-02-15cancelled 2003-04-15

Successor callsigns

Callsigns held now by people who previously held K8SV.

  1. WA3UOOactive· E
    TRESSLER, RICHARD MOHgranted 2021-04-02

All historical holders

Every license row we've seen with the callsign K8SV, oldest first.

  • TRESSLER, RICHARD M OH
    2008-09-19 → cancelled 2011-06-28
  • Vermilya, Stephen G UT
    2023-07-18 active