Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH6MS callsign genealogy
Currently held by LEWIS, JON P
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 KH6MS's current licensee, walking backwards.
- SCHONBROD, MARK JHIgranted 2019-09-05cancelled 2019-09-27
Successor callsigns
Callsigns held now by people who previously held KH6MS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6MS, oldest first.
- LEWIS, JON P HI2007-03-22 → cancelled 2019-05-31
- SCHONBROD, MARK J HI2019-09-27 active