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

AB4CA callsign genealogy

Currently held by BISHOP, ALAN 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 AB4CA's current licensee, walking backwards.

  1. KV4ZFcancelled· E
    MCPHERSON, FREDA ANCgranted 2012-08-13cancelled 2014-07-22
  2. KK4LAAcancelled· E
    MCPHERSON, FREDA ANCgranted 2012-08-13cancelled 2014-06-28

Successor callsigns

Callsigns held now by people who previously held AB4CA.

  1. KA4Bactive· E
    BISHOP, ALAN RTNgranted 2020-03-04
  2. W4DANactive· E
    CENTERS, DANNY LTNgranted 2016-08-17

All historical holders

Every license row we've seen with the callsign AB4CA, oldest first.

  • BISHOP, ALAN R TN
    2000-01-25 → cancelled 2000-05-09
  • MCPHERSON, FREDA A NC
    2014-07-22 → cancelled 2026-07-25
← Back to AB4CA License history →