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

N1MQ callsign genealogy

Currently held by Barnwell III, John C

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 N1MQ's current licensee, walking backwards.

  1. W1SBCcancelled· E
    CHATTERJEE, SUPRIYO BCTgranted 2020-09-29cancelled 2021-03-09
  2. KA1ULYcancelled· T
    CHATTERJEE, SUPRIYO BCTgranted 2020-08-27cancelled 2020-09-29

Successor callsigns

Callsigns held now by people who previously held N1MQ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N1MQ, oldest first.

  • Barnwell III, John C MA
    2013-03-07 → cancelled 2019-02-12
  • CHATTERJEE, SUPRIYO B CT
    2021-03-09 active
← Back to N1MQ License history →