----- Forwarded Message ----
From: Bill Stevenson <[EMAIL PROTECTED]>
To: Blair Strang <[EMAIL PROTECTED]>
Sent: Monday, December 1, 2008 12:13:50 PM
Subject: Re: [Discuss-gnuradio] testing outside building with our USRPs
________________________________
From: Blair Strang <[EMAIL PROTECTED]>
To: discuss-gnuradio@gnu.org
Sent: Monday, December 1, 2008 2:31:30 AM
Subject: Re: [Discuss-gnuradio] testing outside building with our USRPs
On Mon, Dec 1, 2008 at 4:20 PM, Bill Stevenson
<[EMAIL PROTECTED]> wrote:
> Hello, all!
....
> But how can we get power for USRPs when we are testing outside? Could
> anybody tell me a decent way to power USRPs up without connecting the power
> cable to the extension board inside the building? What kind of batterypack
> can we use for the USRPs if battery is doable? Thanks a lot!
a) Use sealed 6v batteries. Get a charger when you buy the batteries.
Check the mAh rating to make sure you'll get the runtime you need.
Try to avoid using them in parallel unless you have to.
b) Use car batteries plus inverters (or even cars, inverters and a
couple long extension cables). Heavy, expensive, inefficient, but you
might have the kit already.
Regards,
Blair.
Thank you Blair! Now I know how to power the USRPs, but what is your idea of
getting our PCs(Desktop Computers) powered outside? If the only way is to use
laptops, 8 laptops should be required. That is really a huge number for us. :)
Thank you!
Bill
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