Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6SGM callsign genealogy
Currently held by Van Der Hoek, Andrew M
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 KM6SGM's current licensee, walking backwards.
- Van Der Hoek, Andrew MCAgranted 2018-04-09cancelled 2022-11-18
Successor callsigns
Callsigns held now by people who previously held KM6SGM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM6SGM, oldest first.
- Vanderhoek, Cornelis CA2018-04-19 → cancelled 2022-03-01
- Van Der Hoek, Andrew M CA2022-11-18 active