Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0ECO callsign genealogy
Currently held by Harley, Joshua E
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 K0ECO's current licensee, walking backwards.
- Harley, Joshua ECOgranted 2015-10-16cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held K0ECO.
No current licensee on record previously held this callsign.