Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0PHP callsign genealogy
Currently held by SWISHER, EUGENE W
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 K0PHP's current licensee, walking backwards.
- SWISHER, CHRIS LMOgranted 2016-12-01cancelled 2017-02-10
Successor callsigns
Callsigns held now by people who previously held K0PHP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0PHP, oldest first.
- SWISHER, EUGENE W MO2004-11-16 → cancelled 2017-01-20
- SWISHER, CHRIS L MO2017-02-10 active