he JAVA library is designed to read JPL DE/LE ephemerides (DE200, DE405, DE406, DE421, DE422, DE430, DE431, DE440 and DE441) and to calculated the position and velocity of the Sun, Moon, eight major planets and Pluto, also the earth nutations and the lunar librations if they are part of the ephemeris.
Warning: I found an error if the DR position is on the southern hemisphere. The PUB249 pdf files did not show this error and are correct (as far as I checked). All Revisions 8+ and the Windows release have been fixed.
This Python TK application calculates a good set of stars for a 3 star fix, makes all calculations similar to the FAAs Celestial Computation Sheet (see FAA doc FAA-H-8083-18).
Also, you can create a PDF file that generates Pub 249 Vol 1 for any epoch you specify.
The PUB249 as PDF is found under "Files".
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...TRONSMART MK808 (with RK901 wifi) or MK808B (with RK903 wifi). I got it from geekbuying.com. Or any RK3066 mini PC stick + an external Ralink5370 usb wifi adapter.
8. Class-10 micro SD card (at least 8GB).
If you have any question, discuss here ...
Mobile Planet Tracking, lets you track the position of any of the 8 planets in the Solar System, you can specify your current earth position, date and time to get the most approximated values.
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