QSL Cards: The Paper Confirmation
QSL Cards are paper confirmations of signals that traverse the airwaves, a tangible and cherished tradition that is still going strong today. Much more than a mere confirmation of contact,…
QSL Cards are paper confirmations of signals that traverse the airwaves, a tangible and cherished tradition that is still going strong today. Much more than a mere confirmation of contact,…
How to Send QSL Cards, record accurate QSO details, confirm the other station’s preferred QSL method, and mail your card either direct, through a QSL manager, or via a QSL…
How a Radio Waves are Transmitted is a complex and fascinating process that begins with electrical energy and ends with invisible waves traveling through the air. Each component in the…
What is Amplifier Bias Amplifier bias refers to the steady voltage or current applied to the input of an amplifying device, typically a transistor or vacuum tube when no signal…
The 6-meters band, fondly nicknamed “the magic band,” holds a special place in the hearts of amateur radio operators. Sitting just above the HF bands and below the VHF spectrum,…
To use Digital Mobile Radio (DMR) on amateur radio networks, you must register for a unique DMR ID number. This number identifies your radio on DMR systems like BrandMeister or…
When comparing Analog vs DMR Range on 5 watt handheld ham radios within the VHF and UHF bands, the conversation often centers around range and clarity. Although both modes serve…
Bluetooth is a short-range wireless communication technology designed to exchange data between devices over short distances. It operates on a global standard, allowing different electronics to connect and interact without…
Superheterodyne Receiver Explained: How It Works and Why It Dominates Radio Design A superheterodyne receiver is a radio receiver architecture that converts incoming radio signals to a fixed intermediate frequency…
Roofing filters play a critical role in amateur radio receivers, especially in maintaining performance during crowded band conditions. These filters are the first stage of selectivity in a superheterodyne receiver,…