Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KH7XS callsign genealogy
Currently held by BIG ISLAND CONTEST CLUB
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 KH7XS's current licensee, walking backwards.
- WH6DHUcancelledBig Island Contest ClubHIgranted 2006-11-22cancelled 2006-12-27
Successor callsigns
Callsigns held now by people who previously held KH7XS.
- DE VERA, ROSIELYN AHIgranted 2000-01-14cancelled 2012-01-18
All historical holders
Every license row we've seen with the callsign KH7XS, oldest first.
- DE VERA, ROSIELYN A HI1999-11-19 → cancelled 2000-01-14
- BIG ISLAND CONTEST CLUB HI2016-12-16 active