Re: "Indoor" GPS operation
- From: samsvl@xxxxxx (Sam Storm van Leeuwen)
- Date: 19 Sep 2005 07:23:35 GMT
Richard Owlett <rowlett@xxxxxxxxxxxxx> wrote in
news:11iqrnbt3a94oaa@xxxxxxxxxxxxxxxxxx:
> peter wrote:
>
>> Richard wrote:
>>
>>>Should I have any significant reception problems?
>>>My goal is to investigate 3D errors as a function of time for a fixed
>>>location.
>>
>>
>> I'd think your data would be more meaningful if you didn't introduce
>> the additional variable of uncertain reception through your roof. As
>> long as your roof is dry and has no insulation with a metal foil layer
>> I'd expect you to get reasonable reception. But it won't be as good as
>> outside and it'll be subject to degradation whenever the roof is wet
>> from rain or even condensation such as dew.
>>
>> Why not put an external antenna outside the house and run the cable
>> inside? External antennas like the Gilsson model are available for
>> less than $20 and even if your GPS receiver doesn't have an antenna
>> jack you could use a re-radiating antenna (about $50).
>>
>
> Because I'm cheap? Also doing this as a hobbyist and to use as "real"
> data for learning how to use some plotting and analysis tools I have.
It would be really interresting if you could compare your inside
measurements with roof measurements as suggested by Richard. Preferrably
taken in the same time interval (a good excuse to buy a second receiver :-))
Sam
.
- References:
- "Indoor" GPS operation
- From: Richard Owlett
- Re: "Indoor" GPS operation
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- Re: "Indoor" GPS operation
- From: Richard Owlett
- "Indoor" GPS operation
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