Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB6YQS callsign genealogy
Currently held by Crumb, Derek G
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 KB6YQS's current licensee, walking backwards.
- Crumb, Derek GCAgranted 2018-04-05cancelled 2018-05-22
Successor callsigns
Callsigns held now by people who previously held KB6YQS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6YQS, oldest first.
- CRUMB, DEREK G CA1988-05-31 → cancelled 2000-06-01
- Crumb, Derek G CA2018-05-22 active