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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KT3V callsign genealogy

Currently held by OTTEN, MARY 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 KT3V's current licensee, walking backwards.

  1. K0YBScancelled· E
    OPDYCKE, DON RFLgranted 2006-01-30cancelled 2014-08-15

Successor callsigns

Callsigns held now by people who previously held KT3V.

  1. W7SPYcancelled· E
    GUSTAFSON, DOUGLAS MORgranted 2012-06-22cancelled 2013-09-10

All historical holders

Every license row we've seen with the callsign KT3V, oldest first.

  • OTTEN, MARY E MD
    1999-07-06 → cancelled 2011-07-07
  • GUSTAFSON, DOUGLAS M OR
    2011-09-16 → cancelled 2012-06-22
  • OPDYCKE, DON R FL
    2024-06-18 active
← Back to KT3V License history →