RTL2832

RTL2832 – All You Need to Know

The RTL2832 is an IC produced by Realtek Corporation to demodulate DVB-T (digital TV) signals and send them to a host computer over the USB bus. It has an additional mode designed to allow reception of consumer … Read More

What is a DX cluster

What is a DX Cluster?

Related wiki pages: Contesting, Logging, Logging sites, Propgation What is it? A DX Cluster is, in essence, a “chatroom” or node into which amateur DX hunters can post information about DX either worked or heard. Physically, it is … Read More

Quagi

Quagi Antenna: Everything You Need to Know

The VHF Quagi from an article by Wayne Overbeck, K6YNB in QST April 1977; “Building a 440MHz Quagi” description is from Gary Bonnor – VK4ZGB There have been many half-hearted attempts to combine a Yagi … Read More

SSTV software

SSTV Software For Ham Radio SSTV Emission

Software allows the production and detection of signals used for transferring SSTV pictures. Most SSTV software allows for both sending and receiving SSTV signals, with the ability to auto-detect which mode is being received. A … Read More

Small Tuned Loop: Everything You Need to Know

A small transmitting loop, small tuned loop or magnetic antenna is defined as a loop antenna of less than one-tenth to one-quarter of a wavelength in circumference. These are normally constructed as a single turn of heavy-gauge wire (AWG #10 or larger), … Read More

What is a cavity filter

What is a Cavity Filter?

Some basics Cavity filters are the basic circuitry behind a Duplexer and are sharply tuned resonant circuit that allow only certain frequencies to pass. Generically, filter of this kind are known as notch filters. Physically a cavity … Read More