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

N7CS callsign genealogy

Currently held by MULSTAY, ROBERT 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 N7CS's current licensee, walking backwards.

  1. KI7ZDFcancelled· E
    GUILLOT, BURT JWAgranted 2018-06-19cancelled 2018-08-24

Successor callsigns

Callsigns held now by people who previously held N7CS.

  1. K7DJcancelled
    Eastside Contest GroupCAgranted 2016-08-05cancelled 2018-01-13

All historical holders

Every license row we've seen with the callsign N7CS, oldest first.

  • MULSTAY, ROBERT W AZ
    1988-10-18 → cancelled 2000-10-19
  • HOVELL, DON R CA
    2001-01-17 → cancelled 2013-01-18
  • Eastside Contest Group CA
    2013-02-05 → cancelled 2016-08-05
  • GUILLOT, BURT J IN
    2018-08-24 active
← Back to N7CS License history →