Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4VSR callsign genealogy
Currently held by GUST SR, COSTAS J
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 K4VSR's current licensee, walking backwards.
- NEILL, JAMES WFLgranted 2010-08-25cancelled 2013-04-06
- WA1ULIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4VSR.
- Neill, James WFLgranted 2019-02-20
All historical holders
Every license row we've seen with the callsign K4VSR, oldest first.
- GUST SR, COSTAS J GA1991-08-13 → cancelled 2003-08-14
- Neill, James W FL2013-04-06 → cancelled 2019-02-20