Learning + Tutorials

We humans can go several weeks without food, but think about it...how well will you function? Have you ever tried fasting for a full day? Two days? Try it.

Headaches, loss of energy, confusion, and lack of focus can all happen within 12 hours of your last meal.

How long can your kids go without eating? Ours can go a whopping 12 minutes...

Should traditional modern communication systems be unavailable, having a backup way to communicate far distances is a smart thing to have.

It's not uncommon for large storms to take out cellphone and land line phone systems and with them likely goes the internet as well.

The easiest and most useful backup option is one that's been around a very long time - and it's long range radio communication via voice and telegraph.

You may have heard it referred to as Ham radio which is slang for Amateur Radio.

As you probably know you can use radio waves to talk to people over the air. But did you know you could also send digital signals as well?