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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K1JAA 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 K1JAA's current licensee, walking backwards.

  1. KB1CKKcancelled· P
    AMARILIOS, JOHN ACTgranted 1998-02-26cancelled 2006-01-24
  2. N1XDNcancelled· A
    THOELEN III, ROBERT ECTgranted 2015-07-11cancelled 2022-06-04
  3. KD1ZDcancelled· A
    THOELEN III, ROBERT ECTgranted 2014-07-01cancelled 2015-07-11
  4. N1SZT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K1JAA.

No current licensee on record previously held this callsign.

← Back to K1JAA License history →