Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0NCO callsign genealogy
Currently held by Heath, Logan R
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 W0NCO's current licensee, walking backwards.
- Heath, Logan RCOgranted 2020-05-20cancelled 2022-07-26
Successor callsigns
Callsigns held now by people who previously held W0NCO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0NCO, oldest first.
- Jaramillo, Eugene CO2007-04-06 → cancelled 2019-04-09
- Heath, Logan R CO2022-07-26 active