Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ESD callsign genealogy
Currently held by PPROEM SCU
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 K0ESD's current licensee, walking backwards.
- KD0ZSZcancelledEl Paso County CO SCUCOgranted 2014-03-28cancelled 2014-04-22
Successor callsigns
Callsigns held now by people who previously held K0ESD.
- DOUGLAS JR, EUGENE SKSgranted 2017-11-25
All historical holders
Every license row we've seen with the callsign K0ESD, oldest first.
- DOUGLAS JR, EUGENE S KS1999-04-21 → cancelled 2008-02-22
- PPROEM SCU CO2024-04-09 active