Don Ingram wrote: > John Samperi wrote: >> G'day all > > Hiya, > > For the cost of an OEM GPS module (<AUD100) it is probably easier to just add it > into the clock module & keep it all self contained. > > Cheeep plastic Stevenson screens for the temp sensors are easy to come by, until > you need to find one in a hurry for an email reply ;-), if all else fails make a > stack of white plastic saucers with the centre cut out & 3 threaded rods with > spacers between the saucers spaced around the outer circumfrence. > > Main idea is to create a ventilated space that is out of direct sunlight and > clear of radiation from the screen surface. The idea of the screen construction > is to minimise the exposed area of the outer wall to sunlight. > > Alternatively try the zone beneath the display although if it is wall mounted > then you will have the measurement distorted by the warm air rising up the face > of the building. > > Cheers > > Don I can get RS 232 output GPS antenna (these are self contained mag base, black units about 4"sq for around the au$80 mark) we use these for our speed monitors in Rally cars, so they are robust. I have one outside (has been exposed for over 2 years) and is still running (and no I am not worried about tracking the movement of the house, just needed one for test and they do not work well inside, so extended cable) -- Regards, Kat. --------------------------------------------------------------- K.A.Q. Electronics Website: www.kaqelectronics.dyndns.org IM: Yahoo: PinkyDwaggy MSN: katinka@kaqelectronics.dyndns.org For Everything Electronics Phone: 0419 923 731 ---------------------------------------------------------------
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Re: [AVR-Chat] Time sources in Australia
2006-06-15 by Kathy Quinlan
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