![]() Was consistently getting aircraft at 150 - 200 miles, this has now dropped to barely 50 miles at all altitudes & msg rate has dropped from 100 down to 5 … 868 MHz und 1090 MHz Active Diapason without bias tee. This information is more important than it looks. 04, and configured for use with software defined radios. About Command Windows Tee /dump1090 -quiet -net & Next, you need to configure Plane Plotter to talk to the Raspberry Pi. Dump1090 is most commonly used in Linux but over on his blog, SonicGoose has written a tutorial that shows how to use dump1090 on Windows with the popular PlanePlotter software. The program is able to make the necessary gain adaptation themselves.Dump1090 bias tee. For the same reason, the value of -gain for receiving chip R820T is desirable to establish fixed and maximum (48 or 49.6 dB). Although there are exceptions for specific antenna setup. Adding to this process no way associated -agc from dongle usually only prevents. It constantly monitors the level of the signal and noise and calculates the instantaneous value threshold. The program has internal gain control algorithm - separately for receiving chip and RTL. In MD2 is usually better not to use the -agc for RTL. + added option "-input-file " - read mode of I/Q signals that were recorded to binary file by rtl_sdr program from package + changed format options "-avr-mlat" to "-avrmlat" + added option "-verbose" - extended mode console output for decoded information from messages + modified algorithm of determining magnitudes of I/Q signals + modified decoding algorithm for Mode A/C + added mode a single reception can be decoded into the correct location without an even/odd pair ![]() + modified the algorithm of automatic detection of receiving area + modified decoding algorithm for DF18 (TIS-B) messages + changed options for output listen ports If you are interested in simultaneous reception of data in Mode S and Mode A/C, use the new version of MD2 from 20140428 - modesdeco2_windows_20140428.zip ![]()
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