Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0CNX callsign genealogy
Currently held by Nicoll, Christopher A
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 W0CNX's current licensee, walking backwards.
- Nicoll, Christopher ACOgranted 2022-06-10cancelled 2022-07-02
Successor callsigns
Callsigns held now by people who previously held W0CNX.
- Nicoll, Christopher ACOgranted 2022-06-10cancelled 2022-07-02
All historical holders
Every license row we've seen with the callsign W0CNX, oldest first.
- Nicoll, Christopher A CO2019-07-02 → cancelled 2022-06-10
- Nicoll, Christopher A CO2022-07-02 active