Website for Australian Radio Amateurs - Particularly aimed at Foundation Licensee's but information for all classes of licence, with an Australian focus.
Before moving onto accessories, it should be noted that this little radio also gives you access to the National Weather Service frequencies as well as “scan” capability of all programmed frequencies, including many police and fire frequencies. So not only do you get a great HAM radio but you...
Explore the world of Amateur Radio, Electronics. Amateur Radio consists of a list of radio frequency bands designated internationally for non-commercial public use. Using these frequencies, various types of information can be transmitted over the bands, such as voice, video, and digital data. A...
Also known as amateur radio, ham radio has been around since the 1920s, almost as long as broadcast radio. With the success of radio in general, the concept of a small radio set that would allow some access to frequencies that were not used by broadcast radio began to pique the interest...
160 Meters is a unique band that covers the frequencies of 1800 – 2000 kHz. Its often referred to as the Top Band, not sure why, but it is. The biggest problem for me is the size of the antennas required. A classic Dipole antenna for 160 meters is approximately 246 feet. A full ...
Since my build, I I made a mod in order to give me not two, but three selectable frequencies. I added an octal tube socket to the left side of the cigar box and installed another DPDT toggle switch. The octal socket will accommodate two FT243 crystals so by wiring per my diagram belo...
LPDAs are commonly used in amateur radio for HF and VHF/UHF communications, particularly by operators who need a multi-band antenna that can cover a wide range of frequencies without requiring multiple antennas. They are also used in broadcasting, where wideband performance is essential, and in ...
Precision DDS signal generator (AD9851) used as signal source USB port connects to PC for field-upgradeable software and uploading of real-time measurement data Buzzer Operation: Manual control option displays SWR and complex impedance at selected frequencies ...
try changing frequencies with JRX — point your mouse cursor at the frequency display (Figure 1, large green digits) and spin your mouse wheel. If you don't have a mouse wheel, click the top or bottom of the digit you want to change. The real-world radio's frequency should change in...
Amateur radio, often called ham radio, is a quintessentially geeky hobby. Essentially, it involves radio operators called "hams" talking to each other over VHF and UHF frequencies. Ham radio is a popular small-town hobby with an unfashionable reputation. However, it's totally unwarranted, as be...