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#51
April 26th 06, 05:59 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
Thomas Borchert wrote:
Will, First, the pilot shouldn't be using the handheld in IMC Wrong. In fact, completely wrong. It just shouldn't be his primary nav source. A Garmin 296 or 396 can be used as secondary to an IFR-certified GPS simply as a "poor man's TAWS. Those sets are quite good in that reqard. 
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#52
April 26th 06, 06:38 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
Will, I could not add the Estimated Position Error to the main display
map. Frankly, that is useless for deterrmining the validity (integrity) of the signal. It is based upon assumed system errors and satellite positions (DOP- Dilution of Precision). RAIM (seen in the lower left corner of the 430, actually chesks the signal solutions for integrity. If you are really worried about the DOP/EPE, switch to the satellite status page which shows satellite az/el and signal "strength" along with DOP and EPE. Ron Lee
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#53
April 26th 06, 07:37 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
"Will" First, the pilot shouldn't be using the handheld in IMC Why not? Curator N185KG
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#54
April 26th 06, 08:09 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
"karl gruber" wrote:
"Will" First, the pilot shouldn't be using the handheld in IMC Why not? Of course he can for situational awareness. But not for primary navigation info. Ron Lee
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#55
April 26th 06, 08:19 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
"Ron Lee" wrote in message ... "karl gruber" wrote: "Will" First, the pilot shouldn't be using the handheld in IMC Why not? Of course he can for situational awareness. But not for primary navigation info. Why not?
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#56
April 26th 06, 08:23 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
"Will" wrote in message ... First, the pilot shouldn't be using the handheld in IMC unless he got there during an unplanned emergency and primary instruments failed. Why not?
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#57
April 26th 06, 08:25 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
"Thomas Borchert" wrote in message ... Will, First, the pilot shouldn't be using the handheld in IMC Wrong. In fact, completely wrong. It just shouldn't be his primary nav source. Why shouldn't it be his primary nav source?
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#58
April 26th 06, 08:43 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
In article . net,
"Steven P. McNicoll" wrote: Why shouldn't it be his primary nav source? google is your friend. -- Bob Noel Looking for a sig the lawyers will hate
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#59
April 26th 06, 08:48 PM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
"Bob Noel" wrote in message ... In article . net, "Steven P. McNicoll" wrote: Why shouldn't it be his primary nav source? google is your friend. This question has Google stumped.
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#60
April 27th 06, 03:46 AM
posted to rec.aviation.ifr
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Accuracy of GPS in Garmin 430/530
to the original question, I would note that my 396 displays "accuracy"
of the gps solution by drawing an "uncertainty" circle around the airplane. You can also display the error in ft. k
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