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

KD6RAS callsign genealogy

Currently held by LEMSTER, SEAN R

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 KD6RAS's current licensee, walking backwards.

  1. KD6ZCOcancelled· T
    LEMSTER, SEAN RWAgranted 2025-07-08cancelled 2025-08-19

Successor callsigns

Callsigns held now by people who previously held KD6RAS.

  1. N6KEcancelled· E
    SCHELLER, ROBERT HAZgranted 2008-11-26cancelled 2017-09-08

All historical holders

Every license row we've seen with the callsign KD6RAS, oldest first.

  • LEMSTER, SEAN R WA
    2025-08-19 active
  • → cancelled 1999-01-14