uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WH2K callsign genealogy

Currently held by Graham, Brendan P

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 WH2K's current licensee, walking backwards.

  1. NH2NNcancelled· E
    Graham, Brendan PGUgranted 2020-12-31cancelled 2024-03-19

Successor callsigns

Callsigns held now by people who previously held WH2K.

  1. N2BLcancelled· E
    Breuss, LeoCAgranted 2019-06-29cancelled 2019-10-08
  2. W2UFFactive· E
    TOSHIMI, HORIEORgranted 2018-05-17

All historical holders

Every license row we've seen with the callsign WH2K, oldest first.

  • TOSHIMI, HORIE TX
    2004-04-21 → cancelled 2008-07-25
  • Breuss, Leo CA
    2019-05-10 → cancelled 2019-06-29
  • Graham, Brendan P GU
    2024-03-19 active
← Back to WH2K License history →