Tech Tip: How to Receive Weak Amateur Radio Stations
Receiving weak stations with very low signal levels on frequencies from below the AM broadcast band up through the shortwaves of HF often requires the use of a specialized antenna […]
An Amateur Radio Blog by DX Engineering Articles written by: OnAllBands
Technical Articles
Technical Articles
Quick Tip: Using Your Transceiver Antenna Tuner Can Cause Damage to Your Amplifier
If you have an amplifier connected to your transceiver output, do not use your transceiver’s antenna tuner. Even if your amplifier is turned off or in bypass mode don’t do […]
Technical Articles / Weatherproofing and Grounding
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 […]
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 […]
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 / 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 […]
