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

N5MB callsign genealogy

Currently held by BLAIR, PHILIP 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 N5MB's current licensee, walking backwards.

  1. W7VSXcancelled· E
    Erlach, DavidAZgranted 2018-05-01cancelled 2021-03-09
  2. KI7VSXcancelled· G
    Erlach, DavidAZgranted 2018-03-27cancelled 2018-05-01

Successor callsigns

Callsigns held now by people who previously held N5MB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N5MB, oldest first.

  • BLAIR, PHILIP M TX
    2008-11-18 → cancelled 2021-02-17
  • Erlach, David AZ
    2021-03-09 active