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[TenTec] DC Power Supply Backup

To: <tentec@contesting.com>
Subject: [TenTec] DC Power Supply Backup
From: lejeuned@centurytel.net (David W LeJeune, Sr)
Date: Wed May 21 19:05:11 2003
I've been using an RV deep cycle battery for the past 5 years to power an
Omni VI+ and a Hercules amp.  Using a standard 25 amp Astron pwr supply to
keep the battery charged.  I monitor the charging current.  The battery
supplies the 80+ amps needed by the Herc and the Omni VI++ and even if I
transmit continuously for 10 minutes, the charging current rarely exceeds 8
amps.  It's works fine, but you have to monitor the battery electrolye level
regularly and add water as required.  Before it realized this, I'd ruined
one battery by allowing it to go almost dry. Otherwise,  batteries seem to
last about 3-4 years.

Dave K5WNV

----- Original Message -----
From: "Bill Tippett" <btippett@alum.mit.edu>
To: <tentec@contesting.com>
Sent: Wednesday, May 21, 2003 9:02 AM
Subject: [TenTec] DC Power Supply Backup


> I've ordered an Orion and for the first time will be
> using an outboard DC supply (a used Astron RS-35M
> is on the way).  I often get short power glitches since I am
> in a rural location and am concerned about getting resets
> on Orion since I understand it takes awhile to reboot (how
> long?)  I'm thinking of getting a small battery (motorcycle)
> to place between the RS-35M and Orion.  This would stay
> fully charged and might help prevent unwanted resets by
> brief power glitches.
>
> Has anyone ever done anything like this?  Is it even
> necessary or is there enough residual energy in the PS
> filter caps that brief interruptions (typically <10 sec) are not
> a problem?  I  don't really want to buy a UPS large enough
> to power Orion but is there a simpler solution?
>
> 73,  Bill W4ZV
>
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