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

NM1DR callsign genealogy

Currently held by RUDDY, DANIEL

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 NM1DR's current licensee, walking backwards.

  1. N1CHSexpired
    Chelmsford High School Amateur Radio ClubMAgranted 2009-12-15cancelled 2021-12-16
  2. KB1NAYcancelled
    Chelmsford High School Amateur Radio ClubMAgranted 2006-01-23cancelled 2009-12-15

Successor callsigns

Callsigns held now by people who previously held NM1DR.

No current licensee on record previously held this callsign.

← Back to NM1DR License history →