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Installation
------------
There are 2 files that must be installed on your Palm Pilot
in order to use PocketSat:
PocketSat_trial.prc (or PocketSat_reg.prc) - the PocketSat application.
Mathlib.prc - Rich Heubner's invaluable double precision math library.
A third file, sampsats.pdb, is a PocketSat input database
containing some (almost certainly out-of-date) sample
satellite orbit data. You can either install this database to
play with, or ignore it and go to the PocketSat web site
( http://www.emmgraphics.com/pilot ) to get current data.
Full documentation is available in the docs directory and at the PocketSat web site.
Release Notes
-------------
V2.2 - 29 November, 2000
- Fixed a bug when calulating passes for periods less than 3 hours
long overlapping either sunrise or sunset.
- Fixed the very infrequent but fatal "Bad Category" error.
V2.1 - 11 November, 2000
- Added GMT+13 timezone for New Zealand during Daylight Savings Time
- Fixed the "between 0 and -1 degrees Lat or Lon" bug (again.)
- Selected pass is now maintained even if it scrolls off the screen
- Fixed inverted bitmaps
- Fixed a bug that could hang "visual pass" searches at very high (or low)
latitudes
- Added section to docs to describe "twilight" preference
V2.0 - 14 June, 2000
- Added user-customizable color support including night-vision
preserving "red mode." The same version works with both color
and B&W devices.
- Merged PocketSat.prc and SGPLib.prc into a single file.
- Now allows multiple selectable observer locations.
- Changed Latitude and Longitude entry (now takes N/S and E/W instead of +/-)
- Added new optimizations.
- Removed "visibility optimizations" as a preferences choice.
V1.5 - 10 August, 1999
- Added the ability to set alarms that go off at or near the
beginning of a pass.
- Added tests to make sure there is enough memory before
performing operations that need it.
- Progress bar now shows completed fraction of entire calculation
instead of just one satellite.
- If "All Passes" is selected in Preferences, pass "goodness" in
main list just reflects maximum altitude, not visibility. This
is for radio people.
- Added 24:00 to time choices dialog.
V1.4 - 15 June, 1999
- Satellites are organized into PalmOs categories.
- You can now add to a pass list, without clearing the results of
previous calculations.
- Added half-hour timezones.
- The Pass Details form can now be copied to the clipboard.
- Added a visibility optimization to test for times when the Sun is
"too low."
- The Pass Details form now shows 9 points, rather than 5.
- If no satellites are selected, the program will tell you so if you try
to perform a calculation.
- The Satellites database is no longer backed up during a HotSync.
This saves a lot of time.
- Fixed a bug that prevented you from entering a longitude or latitude
between 0 and -1 degree (kind of a bear for people in London.)
V1.3 - 23 April, 1999
- Fixed DB import bug which could cause a crash if extra data was
at the end of an import database
- Added GMT+9.5 timezone for South Australia
V1.1 - 30 March, 1999
- Added live elevation/azimuth display to plot.
- Import process now rejects high-orbit satellites.
- Added 'invert plot' option to prefs.
- Added a "No satellites in list, use import feature..." message
to satellites form.
- Changed time zones from '-2' to 'GMT-2' for clarity.
- Revamped memo import.
- Added potentially useful error messages to both import methods.
- Both import methods now verify data checksums.
- 'Thru' time now gets immediately set to requested end time
rather than waiting for calculation to complete.
V1.0 - 11 March, 1999 - Initial release