[OZAPRS] Glider tracking

Dave Horsfall dave at horsfall.org
Thu Aug 9 22:40:43 EST 2007

On Thu, 9 Aug 2007, Andrew Rich wrote:

> I note that the GPS15H does -5 to +5 on the data port unlike my GPS 18 
> which does 0 to +5 volts swing

This is known as pseudo-RS232; are the levels inverted?

-- Dave
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