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

AF5RQ callsign genealogy

Currently held by WINDSOR, MARK 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 AF5RQ's current licensee, walking backwards.

  1. AF5REcancelled· E
    WINDSOR, MARK PTXgranted 2014-02-27cancelled 2014-07-01
  2. KG5AMLcancelled· E
    WINDSOR, MARK PTXgranted 2014-02-27cancelled 2014-06-13

Successor callsigns

Callsigns held now by people who previously held AF5RQ.

  1. AF5RTcancelled· E
    WINDSOR, MARK PTXgranted 2014-02-27cancelled 2014-07-25
← Back to AF5RQ License history →