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

WA9K callsign genealogy

Currently held by WINDSOR, CHARLES A

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 WA9K's current licensee, walking backwards.

  1. N9FTVcancelled· E
    WINDSOR, CHARLES ASCgranted 2010-04-24cancelled 2011-02-15
  2. KJ4TIUcancelled· G
    WINDSOR, CHARLES ASCgranted 2010-03-22cancelled 2010-04-24

Successor callsigns

Callsigns held now by people who previously held WA9K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WA9K, oldest first.

  • MC DANIEL, ROBERT B WI
    1998-10-26 → cancelled 2010-10-27
  • WINDSOR, CHARLES A SC
    2021-01-07 active