Updated README added images for tui/gl waterfalls

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 rtlsdr based sdr software, early prototype
 
+basic support for terminal waterfall,  
+basic support for graphical waterfall,  
+basic support for fm demodulation (ready to listen fm station)  
+
+## terminal waterfall
+
+![terminal waterfall](test/ui_tui.png)
+
+## graphical waterfall
+
+![graphical waterfall](test/ui_gl.png)
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diff --git a/test/README.md b/test/README.md
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+Here is list programm that used as test to verify that stuff works or
+looks like it works.
+
+**sdr_fm**- fm demod, possible to listen radio stations
+**ui_gl_waterfall** - draw waterfall graphial version
+**ui_tui_waterfall** - waterfall drawing terminal version
+
+## sdr_fm
+
+Usage:
+	./sdr_fm -f 101100000 | aplay -r 100k -f S16_LE
+
+## ui_gl_waterfall
+
+	./ui_gl_waterfall -f 101100000
+
+## ui_tui_waterfall
+
+Now seats and uses at 
+
+> #define CENTER_FREQ  445500000
+
+	./ui_tui_waterfall
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diff --git a/test/ui_tui.png b/test/ui_tui.png
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