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

AH6OK callsign genealogy

Currently held by CHING, DELWYN W M

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 AH6OK's current licensee, walking backwards.

  1. AH6RZcancelled· E
    Takeda, ShojiHIgranted 2014-07-19cancelled 2016-06-21
  2. NH7VYcancelled· E
    Takeda, ShojiHIgranted 2004-10-15cancelled 2004-11-19

Successor callsigns

Callsigns held now by people who previously held AH6OK.

  1. KH6DCactive· E
    CHING, DELWYN WHIgranted 2023-08-17
  2. AH6AJactive· E
    Takeda, Shoji JHIgranted 2017-09-12
  3. KH6DCcancelled· E
    CHING, DELWYN WHIgranted 2010-04-20cancelled 2013-08-13

All historical holders

Every license row we've seen with the callsign AH6OK, oldest first.

  • CHING, DELWYN W M HI
    2004-08-18 → cancelled 2010-04-20
  • CHING, DELWYN W HI
    2013-08-13 → cancelled 2013-11-09
  • Takeda, Shoji HI
    2016-06-21 → cancelled 2017-09-12
← Back to AH6OK License history →