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Technical Articles

Radials 101: Why Should I Use Radials with My Ground-Mounted Vertical Antenna?

Many hams ask why they should bother to add the recommended radial field to their ground-mounted vertical antenna. There are reasons why it’s a good idea. Ground-mounted verticals use the […]

Technical Articles

How to Troubleshoot Noise in HF Mobile Installations

Many hams find that their HF mobiles receive more noise than they do usable signals. Common noise sources include the ignition system and alternator. Spark plug noise is propagated through […]

Technical Articles

Mailbag: Is it OK to Run an Amplifier on 120 Volts AC?

Question: Is it OK to run an amplifier on 120 volts AC? This is a question that many new Amateurs ask themselves when they’re buying their first amplifier. There are […]

Technical Articles

Sound Card Interface Transmit Troubleshooting

SITUATION: The Sound Card interface you just installed (SignaLink, RigExpert, Soundblaster) is not sending digital tones through the transceiver. The natural conclusion you may draw is that the sound card interface or […]

Technical Articles

When is an Antenna Tuner not an Antenna Tuner?

When is an antenna tuner not an antenna tuner? Answer: all the time! “Antenna tuner” is really a bad name for the devices that present a low SWR to our transmitters and […]

Products & Product Reviews / Technical Articles

Mailbag: Using a Thimble with EHS Guy Wire or Phillystran Guy Line Big Grips

Q: When should I use a thimble with EHS Guy Wire or Phillystran Guy line Big Grips? A: Whenever a Big Grip is attached to a metal guy bracket or guy anchor, you should always use an appropriately-sized thimble. The thimble […]

Technical Articles

Tech Tip: Ham Station Computer Operations

Computer-based radio operations are fun! Completely integrate your station with your computer, starting with THE all-in-one software solution, Ham Radio Deluxe. “HRD” is an advanced, visually appealing program that displays and […]

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Events

Get Psyched for the World Radiosport Team Championship 2018

After years of planning, fundraising and anticipation, the 2018 edition of the World Radiosport Team Championship in Lutherstadt Wittenberg, Germany is almost here. Two-person teams from around the globe will […]

Technical Articles

How to Install Cable Grips on Phillystran Guy Line

Tim, W3YQ, and Tom, A8AZ, demonstrate the proper way to install Cable Grips on Phillystran Guy Line. Once you see how this done properly, it makes the task much easier […]

Technical Articles

Balun Fundamentals and Terms

Balun is an acronym for BALanced to UNbalanced, which describes certain circuit behavior in a transmission line, source, or load. Most communications applications deal with two-terminal sources, transmission lines, and […]