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

KF9WY callsign genealogy

Currently held by VANLITH, DEREK P

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 KF9WY's current licensee, walking backwards.

  1. N9SWDactive· E
    DAFFRON, STANLEY WINgranted 2023-07-06
  2. KB9REDcancelled· E
    DAFFRON, STANLEY WINgranted 2007-05-07cancelled 2013-10-01

Successor callsigns

Callsigns held now by people who previously held KF9WY.

  1. WS9Kactive· E
    VANLITH, DEREK PMOgranted 2022-10-12
← Back to KF9WY License history →