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

AD0HH callsign genealogy

Currently held by Buchanan, Timothy E

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 AD0HH's current licensee, walking backwards.

  1. KD0TYPcancelled· E
    Buchanan, Timothy ECOgranted 2012-10-19cancelled 2014-02-20
  2. KD0TKQcancelled· G
    Buchanan, Timothy ECOgranted 2012-10-19cancelled 2012-12-18

Successor callsigns

Callsigns held now by people who previously held AD0HH.

  1. KO0Yactive· E
    Buchanan, Timothy ECOgranted 2023-12-14
← Back to AD0HH License history →