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

K2KA callsign genealogy

Currently held by ADLER, SIMPSON B

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 K2KA's current licensee, walking backwards.

  1. AB1Aactive· E
    Christeson, MichaelPAgranted 2018-05-15
  2. KC3IDTcancelled· E
    Christeson, MichaelPAgranted 2016-11-21cancelled 2018-05-15

Successor callsigns

Callsigns held now by people who previously held K2KA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K2KA, oldest first.

  • ADLER, SIMPSON B NJ
    2004-03-12 → cancelled 2016-04-06
  • FERRY, RICHARD D MA
    2026-02-07 active