Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV9WMD callsign genealogy
Currently held by VARGAS, JOHN I
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 KV9WMD's current licensee, walking backwards.
- VARGAS, JOHN ICAgranted 2006-12-14cancelled 2007-02-08
Successor callsigns
Callsigns held now by people who previously held KV9WMD.
- VARGAS, JOHN ICAgranted 2014-12-30