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

K1DOG callsign genealogy

Currently held by MAXSON, BRUCE 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 K1DOG's current licensee, walking backwards.

  1. N1BQXcancelled· G
    MAXSON, BRUCE RFLgranted 2000-04-19cancelled 2000-11-21
  2. KA1FHF
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K1DOG.

  1. K1RJCactive· A
    CASTALDO, RICHARD JCTgranted 2018-08-07

All historical holders

Every license row we've seen with the callsign K1DOG, oldest first.

  • MAXSON, BRUCE R FL
    2020-09-10 active
  • CASTALDO, RICHARD J
    → cancelled 1998-10-05