Mike, I'm not disputing what you say but it does confuse me probably because I have things wrong again.
My understanding of SAt Nav is that there are 24 satellites moving round the earth giving location info anywhere on this planet. I am confused by the fact that a third of them are visible from any location. My rusty geometry tells me this cannot be done but hopefully someone will educate me by explaining the facts
My understanding of SAt Nav is that there are 24 satellites moving round the earth giving location info anywhere on this planet. I am confused by the fact that a third of them are visible from any location. My rusty geometry tells me this cannot be done but hopefully someone will educate me by explaining the facts
Or you could install a domestic fan heater under the Comand unit to "pre-heat" the Comand before you use the car on a cold day. You will need a transformer, perhaps taken from an old computer, to power it (wire it in reverse). You could also link it up with a thermostat from a central heating system and a timer of some sort - possibly an old alarm clock? You will also want an remote override facility, too, and you could probably rig one of these up from an old telly and its remote control.
It must be great being an electronics engineer, you wouldn't ever have to buy anything, you can just fix it
It all depends upon how far from the earth's surface they are. These particular satellites are 11,500 miles above the earth's surface so you can always see quite a few.
You see less in times of war because the American military move them to where they are needed most (to land a missile in Charlie's cup of tea, for example) - unless you are in the war zone yourself, of course, in which case you get excellent coverage until the missile lands in your tea
) and deviated from her route because I knew it would be stationary. She got lost and eventually had my location in the North Sea off the Yorkshire Coast 
