Communications

goTenna Mesh Teardown

See inside the guts of a goTenna Mesh. What components it's made of, and how it works.

Read More

How To Communicate When the Grid Goes Down

Relying solely on your cellphone to communicate with your friends, neighbors, and family during an emergency is dangerous. Have a backup system! We explain some options in this article.

Read More

Demonstrating Ultra-Portable Amateur Digital Stations

Very often I’m asked about ultra-portable amateur digital comms. So I thought right now would be an excellent time to kick off the ultra portable digital comms series.

Read More

Best Disaster Preparedness Apps

Nowadays nearly all of us have the ability to carry an entire libraries worth of information around with us in our pockets - and receive timely and important emergency information in ways never even dreamed of less that 20 years ago.

Read More

Basic Emergency Communications

Looking for simple advice about basic emergency communication preparedness items? We'll give you an easy-to-understand list of the items you should consider.

Read More

Understanding Radio-Wave Propagation

The sun has a large effect on long-distance radio communication on Earth. Solar flares, as well as sun spots, can make long-distance communication possible . . . or impossible.

By Jonathan Imberi

Read More
Printer Friendly and PDF