![Guest post by Keith Thrower: Technical factors affecting CW radio communication in WW1, part 2 - Innovating in Combat Guest post by Keith Thrower: Technical factors affecting CW radio communication in WW1, part 2 - Innovating in Combat](http://blogs.mhs.ox.ac.uk/innovatingincombat/files/2014/06/Marconi-Short-distace-radio.jpg)
Guest post by Keith Thrower: Technical factors affecting CW radio communication in WW1, part 2 - Innovating in Combat
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Amazon.com: Avantree SP850 Rechargeable Portable FM Radio with Bluetooth Speaker and SD Card MP3 Player 3-in-1, Auto Scan Save, LED Display, Small Handheld Pocket Battery Operated Wireless Radio (No AM) : Electronics
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