Posts Tagged ‘emergency radio’

Emergency Radio

Emergency Radio

Emergency Radio

Emergency Crystal Radio

Crystal radio requires no power supply to operate because it uses energy from the signals it receives. Performance is – like one should expect – poor. Nevertheless, with a good antenna and proper ground, it shouldn’t be too difficult to tune to a strong AM station. Read more…

Be the first to comment - What do you think?  Posted by admin - July 14, 2009 at 4:41 PM

Categories: RF Circuit   Tags: , , , ,

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