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

KB1CKK callsign genealogy

Currently held by AMARILIOS, JOHN A

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 KB1CKK's current licensee, walking backwards.

  1. N1XDNcancelled· A
    THOELEN III, ROBERT ECTgranted 2015-07-11cancelled 2022-06-04
  2. KD1ZDcancelled· A
    THOELEN III, ROBERT ECTgranted 2014-07-01cancelled 2015-07-11
  3. N1SZT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KB1CKK.

  1. K1JAAactive· T
    AMARILIOS, JOHN ACTgranted 2026-01-13
← Back to KB1CKK License history →