Description

OSCAR: Orbiting Satellite Carrying Amateur Radio. Somesatellitescarry radio repeaters that can be used by amateur radiofrom theground. This application helps the amateur to know the realtimeposition of these satellites. It shows on the map the positionofthe satellite, semi circle representing the approximate coverageaswell as the user's position. You can switch from the menutheselected satellite. From the menu visible passes shown awindowwith two buttons on the top. Pressing the right (circulararrow)visible passes are calculated for the selected satellitewithin 24hours. Pressing the left (arrow circular dot in thecenter) visiblepasses are calculated for all satellites for thenext 3 hours.Clicking on one of the visible passes entered the 3Dlocator. 3DLocator. The locator uses accelerometer, the compass ofthe deviceand the calculated data to show the position of thesatellite onsky from observer's position. That is, when we movesthe device tothe sky shows a red triangle in the position of thesatellite and adotted line showing the pass. The app calculates theorbits fromthe current time of the device and TLE data thatwww.celestrak.comobtained. The internet is used to get the maps andupdate TLE data.If you like the app you can make a donation to thedeveloper fromthe menu extensions. v1.2 Option to manually includethe TLE datain a file on the SDCard with satellites that the userwants isadded. /sdcard/com.androidesimple.oscar/TLE.txt For eachsatelliteinclude 3 lines like these. IRIDIUM 8 1 24792U97020A13350.44946552 .00000550 00000-0 18933-3 0 6234 2 2479286.3985133.2143 0002 005 108.3180 251.8234 14.34218916869917 Fromthepreferences menu of the main screen mark the check "TLE datafromfile in SD" For now, this option is only available to donorsusers.v1.4 Fixed bug. The first time you do not get frequencydataautomatically. v1.3 Frequency data from the window "visiblepasses"In each satellite pass, if a letter F appears in blue, Whenpressedfrequency data for this satellite are deployed. Data isobtainedautomatically the first timefrom:http://www.ne.jp/asahi/hamradio/je9pel/satslist.htm If youwant toupdate later will be done by checking "Last updatedFrequency data"in the preferences window.