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

AA4HL callsign genealogy

Currently held by RIDDLE, HOBERT C

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 AA4HL's current licensee, walking backwards.

  1. NA4HLcancelled· E
    RIDDLE, HOBERT CTNgranted 1999-03-31cancelled 2000-07-11
  2. KA4HZHcancelled· A
    RIDDLE, HOBERT Ccancelled 1999-03-31

Successor callsigns

Callsigns held now by people who previously held AA4HL.

  1. KA1Qexpired· E
    MAC KENZIE, CHESTER AFLgranted 2006-03-25cancelled 2018-06-19
← Back to AA4HL License history →