Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6BAT callsign genealogy
Currently held by San Bernardino County Sheriff Cave Rescue Team
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 K6BAT's current licensee, walking backwards.
- Sanders, David BCAgranted 2012-04-13cancelled 2015-05-23
Successor callsigns
Callsigns held now by people who previously held K6BAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6BAT, oldest first.
- SUMMERS, LLOYD R CA1990-05-01 → cancelled 2002-05-02
- San Bernardino County Sheriff Cave Rescue Team CA2002-09-25 → cancelled 2014-09-26
- Sanders, Bret CA2025-02-28 active