By: Jeremy NeisserEver turned on your walkie-talkie and a very odd and annoying sound come through? This is radio squelch.What does “Squelch” mean?Answer: In radio communication, “squelch” refers to a circuit or feature that mutes or suppresses the audio output of a receiver when the received signal falls below a certain predetermined level. The purpose … Read more
By: Jeremy NeisserThere are seven frequencies that can be used without an FCC license. This means that you do not have to pass a test, pay any or minimal fees, or be assigned by the FCC. The frequencies that can be used without a license are:1.) 902 to 928 MHz (33cm Amateur Band)2.) 2400 to … Read more
By: Jeremy NeisserThe term Noise Temperature has two rather simple yet distinct meanings in the RF community. This article focuses on its use as a measurement of noise power, whereas another post will explore how it relates to wireless link performance. Conceptually, Noise Temperature is not much different than other temperature scales we are familiar with … Read more
By: Jeremy NeisserIn this article, we are going to break down the differences between Amps vs Watts as well as Volts and OHMS.What is the difference between Amps vs Wattage?Answer: Amps equals the measurement of flow. Volts equal the energy that is being pushed through a circuit and wattage is an expression of power. … Read more
By: Jeremy NeisserCavity filters are a type of electronic filter that are widely used in various applications, including wireless communication, radar systems, and satellite communication. These filters are designed to selectively pass or reject signals based on their frequency, and are capable of providing high levels of attenuation to unwanted signals. In this article, I will … Read more
By: Jeremy NeisserThe term AC power system is due to the fact that it uses alternating current. The term DC power system is because direct current flows in a single direction only and there is no alternation of polarity.Alternating Current – AC powerDirect Current – DC powerWhat does AC Stand For?AC stands for alternating current … Read more
By: Jeremy NeisserTo help make it easier, I break down what a CB radio repeater is, how they work, and the benefits of having one. Let’s get started:What is a CB Radio Repeater?A CB radio repeater is a type of radio setup that can extend the range of your communication signal while using a mobile … Read more
By: Jeremy NeisserWhat is a DX Cluster? A DX Cluster is a gathering of nodes that amateur DX hunters can use to communicate about DX they have worked or heard. It’s composed of a main computer, which gathers and stores, and distributes information sent by ham radios to it. Thousands of nodes are linked together via the … Read more
By: Jeremy NeisserI am going to talk about which one is best for you – a CB radios vs walkie talkie in this article. I know that both radios could be used in the same way, but they have different uses and broadcasting distances.CB Radios vs Walkie Talkie: What’s the main differences?The biggest differences between … Read more