An antenna made from sea water
SPAWAR Systems developed this sea water antenna that uses a jet of water and current probe instead of a metal pole as a transmitting element.
antenna
Makeshift mobile parabolic antenna
I have no idea what signal gain aarobc is getting with this setup, but whatever it is I’m sure it doesn’t compare to the novelty of it all.
Collapsible Fabric Yagi Antenna
Communicate with satellites in space with this portable yagi antenna.
Ask MAKE: Best book for learning about Antennas?
I’m trying to understand antennas. I mean, really understand them.
How-To: Make a Multiband EFHWA for Amateur Ham Radio
Diana Eng shows how to make your own End-Fed Half-Wavelength Antenna (EFHWA) for portable radio operations.
How-To: Make a Gray-Hoverman DTV Antenna with Naomi and Noah
One of our most searched-on and linked-to subjects is how to make a Gray-Hoverman DTV antenna. In this adorable little video, makers in the making, Naomi and Noah, show you how, proving that it’s so easy, even a child can do it (with a little prompting from dad behind the camera). [Thanks, Paul!] Making a […]
Radio Maker Faire Africa
Hayford Bempong, David Celestin and Michael Amankwanor from Accra Polytechnic set up a local Maker Faire Africa radio station. The group announced upcoming activities, broadcasting at 101.7 FM, and could be heard up to a couple thousand meters away using gear they designed and fabricated from scratch.
