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

N5AZZ callsign genealogy

Currently held by Budro, Mark A

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 N5AZZ's current licensee, walking backwards.

  1. K5EXXcancelled· G
    Budro, Mark ATXgranted 2017-03-28cancelled 2020-03-17
  2. KE5MERcancelled· G
    Budro, Mark ATXgranted 2007-01-29cancelled 2007-05-25

Successor callsigns

Callsigns held now by people who previously held N5AZZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N5AZZ, oldest first.

  • BOATMUN, BILL N OK
    2006-03-22 → cancelled 2018-04-05
  • Budro, Mark A TX
    2020-03-17 active
← Back to N5AZZ License history →