Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH6ST callsign genealogy
Currently held by RAMSAY, ROBERT R
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 KH6ST's current licensee, walking backwards.
- Mills, Sonya JHIgranted 2018-04-17cancelled 2018-05-08
Successor callsigns
Callsigns held now by people who previously held KH6ST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6ST, oldest first.
- RAMSAY, ROBERT R HI2002-03-26 → cancelled 2014-03-27
- Mills, Sonya J HI2018-05-08 active