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

N5DU callsign genealogy

Currently held by MC KAY, MICHAEL S

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 N5DU's current licensee, walking backwards.

  1. KM5GScancelled· E
    MC KAY, MICHAEL SMSgranted 1997-02-06cancelled 2001-06-23
  2. KC5PKM
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N5DU.

  1. K5WAactive· E
    EVANS, ROBERT RTXgranted 2019-02-01

All historical holders

Every license row we've seen with the callsign N5DU, oldest first.

  • MC KAY, MICHAEL S MS
    2021-03-31 active
  • EVANS, ROBERT R
    — → cancelled 1999-04-28
← Back to N5DU License history →