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W.A.A.S.

 
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Irvingdog
Geocacher


Joined: 28 Mar 2003

Posts: 83

PostPosted: Wed Nov 12, 2003 10:14 pm    Post subject: W.A.A.S. Reply with quote

Geeks! Help me out here! does anyone know the number of W.A.A.S. antenna', and their approximate location or coverage?

I'm hearing people say they are getting W.A.A.S. coverage, but I was under the assumption there are just a VERY few (2 or 3) antenna in the state, and that the reach was only 12-20 miles from the antenna. I don't use it.

So, what do you know about W.A.A.S. in Minnesota?
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B3Fiend
Geocacher


Joined: 09 Nov 2003

Posts: 15

PostPosted: Wed Nov 12, 2003 10:54 pm    Post subject: Reply with quote

This may help:
Realtime WASS coverage: http://www.nstb.tc.faa.gov/vpl.html

Good WAAS Tutorial:
http://www.gpsinformation.org/dale/dgps.htm#waas

B3Fiend
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Irvingdog
Geocacher


Joined: 28 Mar 2003

Posts: 83

PostPosted: Thu Nov 13, 2003 9:59 am    Post subject: Reply with quote

B3Fiend

Those were amazing links......They literally made smoke come out of my ears. I'll try reading them again later, but I don't know.........

So, do any of you folks make WAAS connections here in Mn.?
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Moe the Sleaze
Geocacher


Joined: 10 Jan 2003

Posts: 1149

PostPosted: Thu Nov 13, 2003 10:55 am    Post subject: Reply with quote

Irvingdog wrote:
So, do any of you folks make WAAS connections here in Mn.?


All the time.
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B3Fiend
Geocacher


Joined: 09 Nov 2003

Posts: 15

PostPosted: Fri Nov 14, 2003 9:37 am    Post subject: Reply with quote

Irvingdog wrote:
B3Fiend

Those were amazing links......They literally made smoke come out of my ears. I'll try reading them again later, but I don't know.........

So, do any of you folks make WAAS connections here in Mn.?



This paragraph from the tutorial explains WAAS well:

"The way this works is that a set of ground stations all over the US (as shown below) collect correction data relative to the area of the country they are located in. The entire data is then packaged together, analyzed, converted to a set of correction data by a master station and then uploaded to the geo-stationary satellite, which in turn transmits the data down to the local gps receiver. The gps receiver then figures out which data is applicable to its current location and then applies the appropriate corrections to the receiver."

You don't need to be within access of one of the antennaes. The antennaes simply collect GPS info for their service area, and transmit the corrected signal back to a WAAS satellite.

As long as there is a WASS satellite in the sky, you'll get corrections.

-B3Fiend
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Marsha and Silent Bob
Past MnGCA President


Joined: 02 Sep 2003

Posts: 6261

PostPosted: Fri Nov 14, 2003 11:25 am    Post subject: Reply with quote

Moe the Sleaze wrote:
Irvingdog wrote:
So, do any of you folks make WAAS connections here in Mn.?


All the time.


Me too. Usually without fail.

Silent Bob
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Irvingdog
Geocacher


Joined: 28 Mar 2003

Posts: 83

PostPosted: Fri Nov 14, 2003 9:02 pm    Post subject: Reply with quote

B3Fiend
Ooooohhhhhhhhhhh!! I thought I knew WAAS, but that paragraph indeed cleared up my misconceptions!

Thank you very much!
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