Add README.md

README.md

+Trying to control Motosat controller hardware ("upgraded" to Don Marr JSM-D3) directly
+from the computer, bypassing internal tuner-related functionality. Signal strength
+will be received directly form the modem (Hughes NH7000S) - the Motosat D3 internal
+tuner can not detect 99W satellite that we need.
+
+Eventually this project will not rely on existing hardware (using something like
+Raspberry Pi and a custom board) with dual GPS compass INS, so the dish will point
+very close to the required satellite and peak using modem only. No satellite tables,
+level ground requirement and stupid 360 scans.
+
+Initially the existing controller will be used to control dish motors by emulating
+manual motors control and read signal strength from the modem (JSM-D3 allows to do
+that through convenient xml file, but it may add extra latency - not yet measured).
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