Notes on stepping down the voltage from my home built regulator.
Adds an overview image of the NorCal 40A power circuit and transmit filter.
Adds a close up of the back panel for the DC jack on the NorCal 40A.
Adds a close up of the on/off switch for the NorCal 40A.
Ties the back panel shot into the battery pack description.
Removes references to PCB in favor of "circuit board".