Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ARG callsign genealogy
Currently held by SKIPPER, WILLIAM 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 K0ARG's current licensee, walking backwards.
- THOMPSON, JONATHAN WCOgranted 2014-09-11cancelled 2014-10-24
Successor callsigns
Callsigns held now by people who previously held K0ARG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ARG, oldest first.
- SKIPPER, WILLIAM A TX1994-09-14 → cancelled 1999-08-19
- THOMPSON, JONATHAN W CO2024-08-15 active