I'm tod a car hi fi noise filter works on the power line to the radio
Mike
At 01:20 PM 22/08/2014, you wrote:
All,
Just a word of warning, I have had quite a number of problems
flagged with Car GPS units creating excessive Radio Interference.
Some thought this was just the charger unit (which is often is), but
in some cases just plugging in the cable and charger (with the
charger not plugged into the power receptacle) will also generate a
lot of Radio Noise. The problem is that cable plugged in acts as a
very nice aerial. The GPS internal power supply system driving the
large display screen plus the additional noise of the CPU clock are
usually the source of the noise. These things are built to price and
not designed to used in close proximity to a VHF radio. Some radio's
are more immune to noise than others.
Keeping the power cable short and as far away from the radio,
Microphone and mic cable as possible may help. Toroids and the like
seem to be pretty useless.
Using a low noise power supply (but this will cost you) may also help.
Using a external 6V source (6V lead acid say) may help but put one
or two 3 AMP diode in series if you are worried about the extra volt
or just use thin wire.
Comes down to trying a few things.
Richard
At 10:30 PM 21/08/2014, you wrote:
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Today's Topics:
1. Re: [Xcsoar-user] XCSoar ~ Aldi Car GPS, $60 thiis week
(Alan Wilson)
----------------------------------------------------------------------
Message: 1
Date: Fri, 22 Aug 2014 11:37:46 +1000
From: "Alan Wilson" <a...@ozemail.com.au>
Subject: Re: [Aus-soaring] [Xcsoar-user] XCSoar ~ Aldi Car GPS, $60
thiis week
To: <aus-soaring@lists.internode.on.net>
Cc: xcsoar-u...@lists.sourceforge.net
Message-ID: <00c101cfbda9$ad55ae70$08010b50$@ozemail.com.au>
Content-Type: text/plain; charset="us-ascii"
If you have not yet got your XCSoar box for your glider, Aldi have a 4.3"
car GPS on sale this week [in Australia] for $60. Go Cruise Catalogue
Number 43719. [About the cost of an aerotow?]
It comes with a car charger and windscreen mount etc, and it will convert to
XCSoar on a TFT card [not included] in a matter of seconds. Portrait [I
prefer] and Landscape mode works.
I know most have XCSoar on an Android mobile phone, or can get a Nexux 7 for
about $200, and Windows CE version of XCSoar is no longer supported.
But it is a nice size and does the XCSoar job...... and the Australia car
navigation looks user friendly also.
FYI
Alan Wilson
Canberra.
PS. A Great devotee of XCSoar. Now have 4 car GPS XCSoar capable, but
this one was easiest.
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