New GMC Sierra AT4 Mobile Set Up
I've upgraded my Yaesu FT-857D mobile setup since getting the new GMC Sierra AT4 this summer. The truck has a ton of space so that I can operate comfortably from the driver seat and even better from the back. For CW I'm using a 3D printed single lever paddle wired up as a cootie from CW Morse. The ATAS is grounded to the frame and mounted to the truck bed with a Breedlove mount. All cables were easy to run into the cabin using one of the punch-out plugs in the backseat floorboard. The radio, battery, solar charge controller and duplexer fit under the rear fold down seats. New for this setup is an MPPT solar charger for the LiFePO4 battery, and a Diamond MX-62M duplexer so that only 1 antenna is needed to cover the 7, 14, 21, 28, 50, 144 and 430 MHz amateur bands. Instead of snap on ferrite chokes I’m using a feed line choke from Palomar Engineering left over from a previous project. I've found the ATAS tunes easier with a choke, and keeps RFI distortion out of my S