Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6KMS callsign genealogy
Currently held by Ben F Kolb Middle School Amateur Radio 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 W6KMS's current licensee, walking backwards.
- KM6JXScancelledBen F Kolb Middle School Amateur Radio ClubCAgranted 2017-04-17cancelled 2017-05-06
Successor callsigns
Callsigns held now by people who previously held W6KMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6KMS, oldest first.
- Sparks, Kevin M CA2002-12-06 → cancelled 2014-12-09
- Ben F Kolb Middle School Amateur Radio Club CA2017-05-06 active