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

K1SOC callsign genealogy

Currently held by Second Class Operators Club

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 K1SOC's current licensee, walking backwards.

  1. N1MBRcancelled
    Mo Betta Radio Research GroupCTgranted 2016-06-24cancelled 2019-09-17
  2. KC1EKGcancelled
    Mo Betta Radio Research GroupCTgranted 2015-09-16cancelled 2016-06-24

Successor callsigns

Callsigns held now by people who previously held K1SOC.

  1. W4MGYcancelled
    Titanic Amateur Radio SocietyCTgranted 2020-12-29cancelled 2021-04-24