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[aprssig] info for TM-D710E in car

Curt, WE7U archer at eskimo.com
Wed Jan 23 20:26:33 UTC 2008

On Wed, 23 Jan 2008, Rick Green wrote:

>    The powerstream device seems totally overkill.  I'd go with a simple
> diode-blocking dual-battery isolator, and an APO3 between the second
> 'accessory' battery and the radio(s).

Good solution if you have the space to mount a second battery.

Would this work better:  A 2nd battery connected to the alternator
after the engine is running via a solenoid, with an APO3 between the
2nd battery and the radios?

The solenoid would have a delayed kick-in for the period when
starting the engine.  Have it kick in after stable charge voltage is
achieved.   Both batteries would get the full charge voltage that
way, no diode drop.

Curt, WE7U: <www.eskimo.com/~archer/>     XASTIR: <www.xastir.org>
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