SSB Bandwidth Explained: Wide vs. Narrow
SSB bandwidth refers to the range of frequencies a signal occupies. Standard SSB transmissions typically fall within 2.4 kHz to 3.0 kHz. However, some radios allow adjustments, enabling operators to…
2025
RF Gain vs. Squelch: Mastering Signal Control
Understanding RF gain vs. squelch, these two controls help refine how you receive signals, allowing for better clarity and reduced noise. While both affect how incoming signals are processed, they…
Evolution of Amateur Callsigns: From Chaos to Clarity
The evolution of amateur callsigns developed over time into symbols of individuals, community, history, and regulation in the world of amateur radio. These unique sequences of letters and numbers allow…
Kenwood TS-890 Transceiver
The Kenwood TS-890 transceiver is a powerhouse in the world of amateur radio transceivers, designed to meet the demands of even the most discerning operators. Built with high-quality components and…
Ameritron AL-811 MARS Mod: Expanded Frequency Capabilities
Performing the Ameritron AL-811 MARS Mod is simple with a little knowledge and basic tools. The AL811 amplifier is limited to traditional ham radio bands before the modification. For those…
Frequency Modulation Mode
Frequency modulation (FM) encodes information in a radio signal by varying the frequency of the carrier wave. Unlike amplitude modulation (AM), which alters the signal’s amplitude, FM maintains a constant…
Military Suspended Ham Radio: Wartime Communication Control
During times of war, governments often take extraordinary measures to secure national communication channels. One such measure, taken during World War II, was when the Military Suspended Ham Radio. This…
Automatic Gain Control (AGC) in Ham Radio’s
In ham radio, the automatic gain control(AGC) monitors signal strength that can fluctuate due to atmospheric conditions, interference, or station variability. To maintain consistent audio levels, most modern receivers use…
The Kenwood TM-D750A Tri-Band Transceiver
The Kenwood TM-D750A is a state-of-the-art triband mobile transceiver that operates across the 144, 220, and 430 MHz bands. This versatile radio offers advanced features such as APRS, D-STAR, and…
S-Units in Ham Radio Meters
Understanding S-Units in ham radio, operators rely on signal strength reports to assess communication quality, and S-units play a crucial role in these evaluations. Found on signal strength meters (S-meters)…