How did pilots communicate with each other in World War 1? [more inside]
posted by adamdschneider on Jun 22, 2009 - 4 answers

In the aftermath of major natural disasters like, for example, an earthquake, hurricane or tornado, there exist certain conventions and procedures for communication - like, for example, channel 19 on a CB radio, or the emergency broadcast network on TV. When speaking in terms of RADIO-based communication, what are the protocols and technologies that are in place now that are most likely to be used in a crisis such as this? CB? AM/FM? [more inside]
posted by kbanas on Feb 12, 2008 - 14 answers

I want recordings of people communicating over the radio, especially in a military or astronautical context. Gimme. [more inside]
posted by Drexen on Feb 1, 2008 - 5 answers

Electronics filter: Need to build something that'll light up different LEDs via radio frequency. Must be compact and battery powered. My electronics-fu is pretty good, but I'm not sure it's this good... [mi] [more inside]
posted by SpecialK on Aug 9, 2004 - 16 answers