We use a derivative of netCDF but the format will apply to netCDF as
well. Would you like me to send you the equivalent of an ncdump -h of
our format?
Regards,
David Wilensky
-----Original Message-----
From: owner-netcdfgroup@xxxxxxxxxxxxxxxx
[mailto:owner-netcdfgroup@xxxxxxxxxxxxxxxx] On Behalf Of John Caron
Sent: Friday, May 04, 2007 9:53 AM
To: Ken Tanaka
Cc: netcdfgroup@xxxxxxxxxxxxxxxx
Subject: Re: Can you recommend a netCDF convention for satellite time
series data?
Hi Ken:
I dont know anything about this kind of data, but
http://www.unidata.ucar.edu/software/netcdf/docs/BestPractices.html
is worth reading.
When you have a format, I'd be happy to comment on it.
Ken Tanaka wrote:
> Hi All,
>
> We are planning to archive geomagnetic time series data from
> geostationary satellites. The data are measured on GOES geostationary
> satellites, and consist mainly of 4 floating point values, 3 component
> vectors and 1 total magnetic intensity. The data are available at two
> frequency formats, half second (512 ms) and 1 minute. We will be
> converting a simple binary format into the netCDF standard for
archive.
>
> Does anyone here recommend a netCDF convention for this type of data?
> If there is not a geomagnetic convention for netCDF, what would be the
closest?
>
> For navigation, the measurements are in-situ, but not located near the
> surface of the Earth. The component intensities are measuring magnetic
> field at the satellite, but they are defined in terms of North, East,
> and Earth-ward. The satellites are geostationary, but there can be
> very slight orbital inclination variations of less than .5 degrees,
> and ground control can choose to alter the longitude as well (normally
> done only for replacing old satellites with new ones). As far as
> visualization tools go, is there any advantage to including the
> latitude, longitude and geostationary altitude of 35,786 km? That is,
> we could put it on a map, but it's debatable on whether it should be
> presented that way.
>
> -Ken
>
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