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 […]
An Amateur Radio Blog by DX Engineering Technical Articles
Technical Articles
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 […]
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 […]
Events / Field Day / Technical Articles
Field Day Safety Checklist: 10 Safety Tips for Successful Field Day
While Field Day offers lots of opportunities for fun, there are many hazards as well. It’s why the ARRL encourages clubs to appoint a safety officer and assistants who are […]
Events / Field Day / Technical Articles
4 Tips for Operating a GOTA (Get On the Air) Station on Field Day
One of the coolest parts of ARRL Field Day is watching a new licensee get on the air for the first time. Many longtime Amateur Radio operators can remember the […]
