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

N1BIL callsign genealogy

Currently held by MARCUS, WILLIAM E

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 N1BIL's current licensee, walking backwards.

  1. AG6QUcancelled· E
    Willis, William LCAgranted 2012-04-13cancelled 2013-01-08
  2. KJ6VSGcancelled· E
    Willis, William LCAgranted 2012-04-13cancelled 2012-11-30

Successor callsigns

Callsigns held now by people who previously held N1BIL.

  1. W3WILactive· T
    MARCUS, WILLIAM ESCgranted 2019-09-06

All historical holders

Every license row we've seen with the callsign N1BIL, oldest first.

  • MARCUS, WILLIAM E DE
    2007-03-06 → cancelled 2008-05-24
  • Willis, William L CA
    2013-01-08 → cancelled 2025-01-09
← Back to N1BIL License history →