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

NW3H callsign genealogy

Currently held by VOLKER, CARL 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 NW3H's current licensee, walking backwards.

  1. AA3TTactive· E
    Morgan, RobertFLgranted 2021-02-17
  2. KO4JAVcancelled· E
    Morgan, RobertFLgranted 2020-11-12cancelled 2021-02-17

Successor callsigns

Callsigns held now by people who previously held NW3H.

  1. K3CVactive· E
    VOLKER, CARL CPAgranted 2020-11-13
  2. K3HWactive· E
    Henderson, BillPAgranted 2017-06-09
  3. K0ORcancelled· E
    Henderson, BillPAgranted 2017-04-15cancelled 2017-05-16
  4. AA3TTcancelled· E
    Henderson, BillPAgranted 2016-11-08cancelled 2017-03-17

All historical holders

Every license row we've seen with the callsign NW3H, oldest first.

  • VOLKER, CARL C PA
    1993-06-01 → cancelled 2001-02-03
  • Henderson, William H PA
    2010-10-13 → cancelled 2016-11-08
  • Henderson, Bill PA
    2017-03-17 → cancelled 2017-04-15
  • Henderson, Bill PA
    2017-05-16 → cancelled 2017-06-09
  • 3L DX & Digital Operators Club PA
    2018-09-11 active
← Back to NW3H License history →