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Title: Grib request error?
#1
When I request a GRIB from within GPSNavX, the email I get in response is this:

Grib extraction failed (zero-length file, data files could not be downloaded)
request code: grib:33N,33N,118W,117W|1,1|0,12,24,36,48,60,72|WIND,PRMSL


Why am I getting this error?

Thanks.
 
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#2
Because the chart you are using covers too small of an area (a large scale chart). GRIB data is on increments of one degree - ~60nm points. Try using a small scale chart when you "Request GRIB" that covers a larger area and then you will not get that error.
Scott Dillon
Sydney Australia
North Shore 38
CYCA
 
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