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AndrewS
Tarquin of the Desert
Member Since: 06 May 2005
Location: Y...... because I can
Posts: 10442
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Slimer wrote:This is the one I've got, works well
I had one of those and after installing it, the Discovery sat nav kept loosing signal. Can you remember me asking over the radio on the way to and from Morocco has anyone else lost GPS signal? I unplugged it and everything worked fine. In the Beginning there was nothing, which exploded.
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 19th Sep 2007 8:37 am |
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stapldm
Member Since: 11 Sep 2006
Location: Swine Town
Posts: 2330
 
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DarrenG wrote:Re-radiating antennas were banned a while back in the UK, that's why they suddenly disappeared off the shelves.
Thanks for that Darren, I didn't have a clue they'd been banned. Was there a reason given?
I mean I can see that one with a 3 mile range could be used for terrorism, but I can't quite work out how the same could happen at three feet.
Nice to know the latest chipsets are so sensitive though - I have a holux with the sirf 3 and it's wierd being able to (albeit inaccurately) track yourself walking through a building. Wooded areas are certainly no longer an issue when out hiking  Dr. Ian Malcolm:
"Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."
Transgenic tomato anyone?
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| 19th Sep 2007 12:29 pm |
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DarrenG
Member Since: 31 Jan 2007
Location: Hampshire
Posts: 144
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stapldm wrote:Thanks for that Darren, I didn't have a clue they'd been banned. Was there a reason given?
I mean I can see that one with a 3 mile range could be used for terrorism, but I can't quite work out how the same could happen at three feet.
In much the same way as the FM MP3 Transmitter devices were illegal, they're unlicensed transmitters. Although the low power FM Tx have been specifically legalised now, the GPS Re-Rads have not and hence were pulled. TBH there are few situations where they are necessary nowadays.
Quote:Nice to know the latest chipsets are so sensitive though - I have a holux with the sirf 3 and it's wierd being able to (albeit inaccurately) track yourself walking through a building. Wooded areas are certainly no longer an issue when out hiking
We're testing some very accurate new designs at the moment which will accurately locate you deep inside a shopping mall. Not commercially available yet. Darren Griffin
Editor
PocketGPSWorld.Com
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| 19th Sep 2007 12:46 pm |
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captain_sugar
Member Since: 05 Sep 2006
Location: Hradec Kralove
Posts: 1095
  
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DarrenG wrote:captain_sugar wrote:the problem is I bought this stupid scenic for the company and ordered the athermic glass, not knowing it is blinding GPS signals. So each antenna must find some other place, probably the roof, and for two antenna, there will be drilling...
The scenic's glass won't be affected by a GPS that uses the later chipsets such as SiRFStarIII, HammerHead, MTK. All these will function behind athermic coatings perfectly well. And then you won't need an external antenna at all!
I tried my personal tomtom one with sirfstarIII and had a poor signal that dropped from time to time...
I will try again.
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| 19th Sep 2007 1:24 pm |
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