added link to GNU Radio Live Image

README.md

@@ -11,7 +11,7 @@ sudo apt-get install cmake libboost-all-dev liblog4cpp5-dev swig
 ```
 sudo pip install bitstring
 or
-sudo apt-get insall python-bitstring
+sudo apt-get install python-bitstring
 ```
 
 ubuntu 16.04: sudo apt-get install gnuradio cmake (3.7.9.1-2ubuntu1)
@@ -22,6 +22,14 @@ swig -> "python support" in osmocomsdr
 http://osmocom.org/projects/sdr/wiki/rtl-sdr
 
 apt-get install gr-osmosdr
+
+or you can use the [GNU Radio Live Image](https://wiki.gnuradio.org/index.php/GNU_Radio_Live_SDR_Environment)
+, which can be written to a USB drive with Unetbootin.
+It comes with all dependencies except the "bitstring" module, which can be installed with 
+```
+sudo pip install bitstring
+```
+
 ### Installation
 
 ```