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

NO1M callsign genealogy

Currently held by SWENSON, JACLYN K

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 NO1M's current licensee, walking backwards.

  1. K1JKScancelled· E
    SWENSON, JACLYN KMAgranted 2011-10-22cancelled 2020-06-16
  2. N1DVEcancelled· A
    SWENSON, JACLYN KMAgranted 2001-10-09cancelled 2011-10-22

Successor callsigns

Callsigns held now by people who previously held NO1M.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NO1M, oldest first.

  • DOERPHOLZ SR, KENNETH E MA
    2009-10-06 → cancelled 2018-05-21
  • SWENSON, JACLYN K MA
    2020-06-16 active