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

K9HRO callsign genealogy

Currently held by Hall, William D

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 K9HRO's current licensee, walking backwards.

  1. K9PSDcancelled· T
    Hall, William DIAgranted 2013-05-24cancelled 2017-02-10
  2. KD0UZCcancelled· T
    Hall, William DIAgranted 2013-04-03cancelled 2013-05-24

Successor callsigns

Callsigns held now by people who previously held K9HRO.

  1. K5THRcancelled· T
    Brown, Joseph DTXgranted 2010-03-06cancelled 2015-08-29

All historical holders

Every license row we've seen with the callsign K9HRO, oldest first.

  • MELOHN, DONALD F IL
    1997-02-04 → cancelled 2009-02-05
  • Brown, Joseph D TX
    2009-12-19 → cancelled 2010-03-06
  • Hall, William D GA
    2017-02-10 active
← Back to K9HRO License history →