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

W0HF callsign genealogy

Currently held by HALL, CARL L

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 W0HF's current licensee, walking backwards.

  1. KU0DMcancelled· E
    MACLACHLAN, DUNCAN PKSgranted 2017-04-20cancelled 2017-10-06
  2. KC0VVUcancelled· E
    MACLACHLAN, DUNCAN PKSgranted 2006-02-06cancelled 2007-07-17

Successor callsigns

Callsigns held now by people who previously held W0HF.

  1. W7AIactive
    Oro Valley Amateur Radio ClubAZgranted 2025-08-19

All historical holders

Every license row we've seen with the callsign W0HF, oldest first.

  • HALL, CARL L KS
    1988-01-19 → cancelled 2000-01-20
  • MOEHRLE, DALE H MO
    2000-02-08 → cancelled 2006-01-19
  • Oro Valley Amateur Radio Club AZ
    2009-07-28 → cancelled 2015-09-15
  • MACLACHLAN, Duncan P KS
    2017-10-06 active
← Back to W0HF License history →