Pinterest • The world’s catalog of ideas

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

Pinned from

primitiveways.com

Instructables.comfrom Instructables.com

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

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

Pinned from

m.instructables.com

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

Pinned from

iwm.org.uk

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

Pinned from

wrh.noaa.gov

Should Preppers Learn Ham Radio?

Pinned from

preppingtosurvive.com

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

Pinned from

aslansavz.wordpress.com

Ham Radio Cheat Sheet , communication is key

Pinned from

offgridsurvival.com

Love this podcast about ham radio.

Pinned from

twit.tv

Ham Radio Emergency Preparedness

Pinned from

youtube.com

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

Pinned from

kc4lmd.wordpress.com

MacGyver Of The Day: HAM Radio Hacker Diana Eng

Pinned from

lifehacker.com.au

KB6NU's Ham Radio Blog

Pinned from

kb6nu.com

Pigeon Ham Radio

Saved by

Carolyn Evans-Dean

My Foray into Budget Ham Radio

Pinned from

geek-prepper.com

Japan Ham Radio

Saved by

Carolyn Evans-Dean

Another Ham Radio Antenna Set-Up

Pinned from

pvcworkshop.com

Ham Radio Communication and Horses

Pinned from

thehorse.com

Ham Radio For Dummies

Pinned from

akirchner.hubpages.com

Ham Radio News

Pinned from

flickriver.com

Homing pigeons were often used to send messages. In World War II alone, the UK used an estimated 250,000 homing pigeons to discretely get messages out from troops behind enemy lines. The British upped the ante by training a small force of peregrine falcons to patrol the coast of Great Britain and intercept outgoing homing pigeons. The project was successful, at least two enemy pigeons were captured alive.

Pinned from

listverse.com

Homing Pigeon to deliver messages to other communes

Pinned from

likecool.com

In this debut film, director Alessandro Croseri delivers a stunningly beautiful ode to combat pigeons and their pigeoneers. The documentary follows Col. Clifford Poutre at age 103 during the final year of his life and examines his innovations in the training of homing pigeons for combat missions during World War II.

Pinned from

youtube.com

In 1907, German apothecary Julius Neubronner invented an aerial photography technique known as pigeon photography. By affixing a lightweight time-delayed miniature camera to an aluminium breast harness, Neubronner attached his design to homing pigeons who would then be able to capture aerial photographs during their flight.

Pinned from

twistedsifter.com

New Study Shows New Theory of How Homing Pigeons Find Home

Pinned from

omniblogs.info

permanent seamless band on leg of homing pigeon

Pinned from

angelwingsdoves.com