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

W1BUS callsign genealogy

Currently held by Martin, Daniel 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 W1BUS's current licensee, walking backwards.

  1. KJ7KTGcancelled· G
    Martin, Daniel MWAgranted 2019-11-22cancelled 2021-07-02

Successor callsigns

Callsigns held now by people who previously held W1BUS.

  1. N7TJXactive· E
    WILEY JR, CHARLES LNVgranted 2025-02-08

All historical holders

Every license row we've seen with the callsign W1BUS, oldest first.

  • WILEY JR, CHARLES L NV
    2011-09-13 → cancelled 2015-04-07
  • Martin, Daniel M WA
    2021-07-02 active