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

K2DA callsign genealogy

Currently held by BOER, JOSEPH

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 K2DA's current licensee, walking backwards.

  1. K2QFactive· E
    Gritzmacher, Donald ECOgranted 2025-12-09
  2. AC0HTcancelled· E
    Gritzmacher, Donald ECOgranted 2017-01-28cancelled 2025-12-09
  3. KC0ZNUcancelled· E
    Gritzmacher, Donald ECOgranted 2007-02-16cancelled 2007-04-18

Successor callsigns

Callsigns held now by people who previously held K2DA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K2DA, oldest first.

  • BOER, JOSEPH NJ
    1994-11-16 → cancelled 2006-11-17
  • ELLENBOGEN, WAYNE L NY
    2016-10-15 active
← Back to K2DA License history →