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

N1JSS callsign genealogy

Currently held by MC DOWELL, PATRICIA J

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 N1JSS's current licensee, walking backwards.

  1. W1DYNcancelled· E
    Shapiro PhD, Jonathan SCTgranted 2021-01-08cancelled 2026-01-03
  2. AB1HIcancelled· E
    Shapiro, Jonathan SCTgranted 2017-03-01cancelled 2021-01-08

Successor callsigns

Callsigns held now by people who previously held N1JSS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N1JSS, oldest first.

  • MC DOWELL, PATRICIA J MA
    2001-04-24 → cancelled 2013-07-24
  • Shapiro PhD, Jonathan S CT
    2026-01-03 active