Before we explore synchronous detection, let’s make sure we understand how envelope detection works. After all, it’s been around for a century. Read more
Tag: SWL
Enjoy Synchronous Detection on your Shortwave Radio
Most new shortwave receivers let you enjoy synchronous detection. It is an important and very useful feature if you listen to AM broadcasting on medium and short waves. Let’s find out more. Read more
Local RFI Signal Content – Four Basic Types
Let’s consider the four basic types of local RFI signal content. We will see when and where a noise canceler can make a critical difference to your radio listening. Read more
Local RFI – Taming Neighborhood Noise
Every ham or shortwave listener struggles with local RFI. This article kicks off a new series on how to use noise cancelers and get your spectrum back. Read more
Signal-Noise Ratio – The Essence of Radio
Discerning signals from noise is what radio reception is all about. We always seek to improve the signal-noise ratio. Read more
Noise Limits Performance in HF Radio Reception
Now more than ever, noise limits performance and enjoyment of shortwave radio listening. Signal strength is one thing, noise is another. Read more
Panadapter Performance – Signal Strength on Steroids
Modern SDR offer panadapter performance that measures signals accurately. See what’s going on at a glance. Read more
S Meter Accuracy – Not So Much Really
S Meters are clever approximations, not precision instruments. Remember that and you can avoid all conversations about S Meter accuracy. Read more
Decibels Make Life Simple for Radio Listeners
Measuring radio signals without dB would be impractical. Decibels make life simple for radio listeners. Read more
Measuring Radio Signals – Old and New
People like to measure things. So, not surprisingly, radio operators have been measuring radio signals since the early days. Read more