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Re: Picnic portables and GPS


"David Atkins"
 

Andy, et al

Well, of course you could glue a lid on, but that raises more problems than
it solves for me.
If you just want a radio-transparent waterproof annexe to the U2 case,
gluing a lid over the GPS module would work. But a waterproof box is
probably cheaper (less than ?8 for 5 on ePay), has a complete seal, and is
easy to open for access to the module.

I wanted to tuck the U2 out of the way, with its antenna running away as
usual and with the GPS antenna in a place where it has a clear view of the
sky. For example, the U2 keeping dry with me in the car with the antennas
fed out of the window.
Of course, I could extend all the leads to the GPS module and put it in my
waterproof box, but GPS antennas are designed for this when the PPS signal
is not. Heaven knows, we are having enough problems with this aspect of the
U2 as it is ;-(

So, I'll wait for my new software, and hope to get one of the 'separates'
working with it.
Of course, I was silly enough to order an additional U2 at the same time as
the replacement software, so I am at the mercy of Hans' suppliers for
timings.

David
G8XBZ

-----Original Message-----
From: QRPLabs@... [mailto:QRPLabs@...] On Behalf Of
andyfoad@...
Sent: 18 June 2013 06:56
To: QRPLabs@...
Subject: [QRPLabs] Picnic portables and GPS

Was just looking at "flanged potting boxes" instead of Nescafe lids
(copyright G4JVF) ;-)

[SEARCH EBAY)

These look like a reasonable way of affixing a protective top to a box, in
which the GPS is underneath. Some epoxy resin or similar around the edges to
stop water getting in.

I have nit seen any box with an all round flange though which would be even
better.

Anyone seen them ?

73 de Andy



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