![WW1: Germans generating electricity by pedal cycle for a field radio. The telephone remained the basic means of battle communication Stock Photo - Alamy WW1: Germans generating electricity by pedal cycle for a field radio. The telephone remained the basic means of battle communication Stock Photo - Alamy](https://c8.alamy.com/comp/WHA1PY/ww1-germans-generating-electricity-by-pedal-cycle-for-a-field-radio-the-telephone-remained-the-basic-means-of-battle-communication-WHA1PY.jpg)
WW1: Germans generating electricity by pedal cycle for a field radio. The telephone remained the basic means of battle communication Stock Photo - Alamy
![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
![Erik Villard (@erikthehistorian.bsky.social) on X: "An American soldier uses a French radio set, Varennes-en-Argonne, France, 12 Oct 1918. Photo from NARA RG 111-SC Enhanced by erikthehistorian (erik villard) CMH #WW1 @USArmyCMH https://t.co/2tbepefF9d" / Erik Villard (@erikthehistorian.bsky.social) on X: "An American soldier uses a French radio set, Varennes-en-Argonne, France, 12 Oct 1918. Photo from NARA RG 111-SC Enhanced by erikthehistorian (erik villard) CMH #WW1 @USArmyCMH https://t.co/2tbepefF9d" /](https://pbs.twimg.com/media/DqZdfToVYAA_XUZ.jpg)