How to Test RF Lightning Protectors with Indicators
RF lightning protectors are designed to protect RF equipment by equalizing the potential difference between the center pin of the coax cable and its shield. The majority of RF protectors do […]
An Amateur Radio Blog by DX Engineering Technical Articles
Technical Articles / Weatherproofing and Grounding
Technical Articles
Why Should I Use Anti-Seize on Brand-New Stainless Hardware?
With high quality stainless steel alloys, thread galling and cold-welding can make the hardware seize and fail. Although most hams don’t understand why anti-seize is recommended, it is vital to […]
Events / Technical Articles
DXpeditions 101: How Important is My Receiver?
While there will be thousands of experienced Hams worldwide who will be attempting to make contact with Bouvet Island 3Y0Z, they will undoubtedly be joined in the pileups by scores […]
Technical Articles
How to Ensure Better UHF Coaxial Feed Lines
HF users really don’t have many coax issues. As long as power levels aren’t breached, just about any feed line will work without much concern. Even DXE-8X coax (Mini 8) can be […]
Antenna Tech / Events / Technical Articles
DXpeditions 101: How Important is My Antenna?
While there will be thousands of experienced Hams worldwide who will be attempting to make contact with Bouvet Island 3Y0Z, they will undoubtedly be joined in the pileups by scores […]
Events / Technical Articles
DXpeditions 101: What is a Pileup?
While there will be thousands of experienced Hams worldwide who will be attempting to make contact with Bouvet Island 3Y0Z, they will undoubtedly be joined in the pileups by scores […]
Antenna Tech / 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 […]
