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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>
  "Lotto:  A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
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