Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ACO callsign genealogy
Currently held by Cote, Peter S
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 K1ACO's current licensee, walking backwards.
- AAKKO, MARKUSTNgranted 2024-05-29cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K1ACO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1ACO, oldest first.
- Cote, Peter S ME2006-05-26 → cancelled 2018-05-30
- AAKKO, MARKUS TN2025-12-09 active