micro howto draft

README.md

@@ -1,6 +1,43 @@
 # CygnusRFI: An open-source RFI analysis tool for Ground Stations & Radio Telescopes
 This is an attempt at a port from Python 2 to Python 3.
 
+# Setup
+Thusly
+
+```
+git clone https://spacecruft.org/spacecruft/CygnusRFI.git
+cd CygnusRFI/
+virtualenv -p python3 env
+source env/bin/activate
+pip install --upgrade pip
+pip install pillow
+```
+
+
+# Use
+Thusly
+
+```
+python CygnusRFI.py
+```
+
+
+# Help
+Help output.
+
+```
+$ python CygnusRFI.py -h
+usage: CygnusRFI.py [-h] -b BANDWIDTH [-c CHANNELS] [-t T_INT] -d DURATION -f FMIN -F FMAX
+
+options:
+  -h, --help            show this help message and exit
+  -b BANDWIDTH, --bandwidth BANDWIDTH
+  -c CHANNELS, --channels CHANNELS
+  -t T_INT, --t_int T_INT
+  -d DURATION, --duration DURATION
+  -f FMIN, --fmin FMIN
+  -F FMAX, --fmax FMAX
+```
 
 # Upstream
 See `README-upstream.md`