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.
- Trotochaud, Mark RCTgranted 2018-04-03cancelled 2018-04-21
Successor callsigns
Callsigns held now by people who previously held K1TRO.
- Chance, Troy MNVgranted 2024-01-23
All historical holders
Every license row we've seen with the callsign K1TRO, oldest first.
- Chance, Troy M OR2013-08-13 → cancelled 2014-03-21
- Trotochaud, Mark R CT2018-04-21 active