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

KB1SEJ callsign genealogy

Currently held by Thompson, Cameron 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 KB1SEJ's current licensee, walking backwards.

  1. KC1UZZcancelled· T
    Thompson, Cameron CCTgranted 2024-06-19cancelled 2024-07-09

Successor callsigns

Callsigns held now by people who previously held KB1SEJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB1SEJ, oldest first.

  • Thompson, Cameron C NH
    2009-04-09 → cancelled 2021-04-10
  • Thompson, Cameron C CT
    2024-07-09 active