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

K1TRO callsign genealogy

Currently held by Chance, Troy M

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 K1TRO's current licensee, walking backwards.

  1. KC1JKCcancelled· T
    Trotochaud, Mark RCTgranted 2018-04-03cancelled 2018-04-21

Successor callsigns

Callsigns held now by people who previously held K1TRO.

  1. N9TMCactive· T
    Chance, Troy MNVgranted 2024-01-23

All historical holders

Every license row we've seen with the callsign K1TRO, oldest first.

  • Chance, Troy M OR
    2013-08-13 → cancelled 2014-03-21
  • Trotochaud, Mark R CT
    2018-04-21 active