JR Clynch Favorites
Here are just a few sites that I often visit. A list Format is followed by some discussion.
USEFUL and ENTERTAINING
en.wikipedia.org/wiki/Main_Page Open Encycopedia (Wiki)
Earth Picture of the Day (EPOD)
antwrp.gsfc.nasa.gov/apod/astropix.html Astronomy Picture of the Day (APOD)
US Coast Guard Navigation
GPS Joint Program Office
Observatory - Time etc.
www.colorado.edu/geography/gcraft/notes/gps/gps_f.html GPS section Geographer's Craft
International GNSS Service
Data Archive at JPL
Rotation - data/information
www.colorado.edu/geography/gcraft/contents.html Geographer's Craft - Huge Tutorial
NGA (military mapping
National Geodetic Survey, Data etc.
ngs geodesy links
Space Weather -
Space Weather Now
Geophysical Data Center (NGDC) Tutorials, data
Magnetic Field, data, tutorials
Matlab software, includes users exchange below
Good place for
www.spatial.maine.edu/~leick/alpha.htm Alfred Leick's list, GPS and Geodesy
U. New Brunswick geodesy
Swedish U. Uppsala, Earth Sciences List
U. New South Wales Geospatial Lab.
Satellite Navigation and Positioning Lab.
For information on a topic you can, of course "Goggle" it.
more useful approach is to use Wiki, the new open encyclopedia.
If you want to look at the best pictures of the outdoors, especially of
unusual items, try the Earth Picture of The Day (EPOD)
This site has a short explanation of the picture,
and phenomena, with links to more information.
A similar site for astronomy (which really came first) is the Astronomy
Picture of the Day (APOD) at antwrp.gsfc.nasa.gov/apod/astropix.html.
The explanations here are exceptionally good, as
well as the links.
And the pictures, from telescopes and often space probes, are
"out of this world"
For both EPOD and APOD a link at the bottom takes you to the "Archives".
The main official place to get information is the
Guard Navigation Center. It is also a very useful site with
current status information, official specifications, and some basic
background information. Information on the future plans for
GPS system are often presented at the official GPS Interagency Working
Group meetings. Their minutes, often with full presentations, are
located at the uscg navcenter site.
The GPS Joint
Program Office has official information that might be useful to some.
The US Naval
Observatory is the official time
keeper for GPS.
Their site has a GPS subsection (see link on left) with both
official information and tutorials. This is also a very
interesting site in the other main sections.
instruction site, the Geographer's
Craft (see below) , has a section on GPS