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

K4CSA callsign genealogy

Currently held by Allen, Anthony 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 K4CSA's current licensee, walking backwards.

  1. KD4TCGcancelled· T
    GRIFFIN, DARLENE BGAgranted 2012-07-03cancelled 2021-03-12

Successor callsigns

Callsigns held now by people who previously held K4CSA.

  1. WA4UTactive· A
    MC TAGGART, MICHAEL KGAgranted 2021-03-09
  2. W5BLXactive· E
    Allen, Anthony PMSgranted 2019-02-20

All historical holders

Every license row we've seen with the callsign K4CSA, oldest first.

  • MC TAGGART, MICHAEL K TN
    1997-09-17 → cancelled 2001-06-01
  • BROWN, MAXWELL S VA
    2004-04-06 → cancelled 2016-04-07
  • Allen, Anthony P FL
    2016-04-26 → cancelled 2019-02-20
  • GRIFFIN, DARLENE B FL
    2021-03-12 active
← Back to K4CSA License history →