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    Low Tech Communication


    Low Tech Communication

    • 37 Pins

    Shooting a whistling arrow. As the arrow sailed into the sky, air passed through the 2 triangular vents in the gourd. This created a high pitched whistling sound as the arrow accelerated upwards and then downwards. Whistling arrows were utilized by ancient armies to signal their troops. © D. Labiste 2004

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    Repurposed dish antenna to boost wi-fi and cell phone signals.

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    German soldiers wear respirators as they place carrier pigeons into a gas-proof chamber, presumably during an anti-gas drill.

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    SKYWARN Recognition Day, National Weather Service, NOAA (December 1, 2012; ARRL ham radio)

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    Should Preppers Learn Ham Radio?

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    Keeping an Eye on the Skies with SKYWARN - using HAM radio operators to help with weather emergencies

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    Ham Radio Cheat Sheet , communication is key

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    Love this podcast about ham radio.

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    Ham Radio Emergency Preparedness

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    Harold Lee Jackson, the first Black licensed ham radio operator in Canada

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