Encrypted Radio Transmission: What is & What is Not Safe

Encrypted Radio Transmission: Let's dive into explaining what is encrypted radio transmissions, radios that are encrypted and uses cases for when you want to ...

Sometimes you just want your radio transmission to be encrypted. Why would you want an encrypted radio transmission?  Maybe because you do not want your conversation broadcast to everyone. You might also want to keep someone from listening in on what you are doing, or how that encounter went. Or maybe you are just trying to be safe. … Read more

Ham Radio APRS – The Complete Guide

Ham Radio APRS: The complete guide to APRS is the Automatic Position Reporting System - what it is, how it works and why it exists.

APRS is the Automatic Position Reporting System. It uses amateur radio dedicated digital communication to send out your position in real time. There are almost 10,000 APRS users around the world (and growing) using devices like a handheld transceiver, mobile rigs and/or home stations with GPS receivers connected to computer TNCs or built into motherboards to … Read more

UHF vs VHF – Differences Explained

UHF vs VHF: The biggest difference is that UHF is line-of-sight, and VHF is not. A UHF signal will quickly weaken after it leaves the transmitter, so using an amplifier isn't necessary.

There is a tendency for people to group all Frequency Modulated (FM) radio into one category.  However, there is a noticeable difference between UHF – Ultra High Frequency and VHF – Very High Frequency. It’s not just the number that changes, it’s also their intended purposes. The biggest difference is that UHF is line-of-sight, and VHF … Read more

What is Frequency Response in Headphones?

What is Frequency Response in Headphones: Frequency response in headphones is one of the key specifications for any pair of headphones. A frequency response graph represents how well (or poorly) a set of headphones can reproduce sound across all audible frequencies.

Frequency response in headphones is one of the key specifications for any pair of headphones.  A frequency response graph represents how well (or poorly) a set of headphones can reproduce sound across all audible frequencies. Before we continue, it’s important to note that frequency is measured in Hertz (Hz), or cycles per second. Humans can hear … Read more

SSTV Frequencies – The Ultimate Guide

SSTV Frequencies - The Ultimate Guide: Slow Scan TV, or SSTV, is a term used to describe the transmission of pictures by radio. It's comparable to early television systems or fax machines. In as few words as possible, this technique uses sound to generate and exhibit an image sent by another source.

What is SSTV?Slow Scan TV, or SSTV, is a term used to describe the transmission of pictures by radio. It’s comparable to early television systems or fax machines. In as few words as possible, this technique uses sound to generate and exhibit an image sent by another source. It’s primarily utilized by amateur radio operators who … Read more