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Low Tech Communication

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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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primitiveways.com

Another Ham Radio Antenna Set-Up

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pvcworkshop.com

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

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kc4lmd.wordpress.com

Ham Radio News

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flickriver.com

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

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iwm.org.uk

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

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momwithaprep.com

from Instructables.com

Repurposed Satellite Dish Antenna Captures Wi-Fi and Cell Phone Signals

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

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m.instructables.com

MacGyver Of The Day: HAM Radio Hacker Diana Eng

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lifehacker.com.au

Love this podcast about ham radio.

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twit.tv

My Foray into Budget Ham Radio

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geek-prepper.com