Controlling telemetry update frequency to onboard computer

I’m planning to use an onboard computer along with 10hz GPS unit. I’m trying to find out if there’s a way for me to control the update rate of telemetry messages being sent from the controller(pixhawk) to the telem serial port. Ideally I’d want to send location telemetry at 10Hz to the onboard computer. Is this controlled by the “SCHED_TASK” settings inside ArduCopter.cpp or is there somewhere else I should be looking?