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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WH6OH callsign genealogy

Currently held by COLLARS, BRETT W

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 WH6OH's current licensee, walking backwards.

  1. KE2CWPcancelled· T
    Collars, Brett WNJgranted 2024-03-13cancelled 2024-04-02

Successor callsigns

Callsigns held now by people who previously held WH6OH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WH6OH, oldest first.

  • COLLARS, BRETT W HI
    1993-08-24 → cancelled 2005-08-25
  • Collars, Brett W NJ
    2024-04-02 active