Antenna on the 40m band with low height of suspension
This is the simple “Delta Loop” Antenna on the 40m band with low height of suspension. Its upper corner located at the height of λ/4. I.e. for this antenna acceptable any mast with height...
This is the simple “Delta Loop” Antenna on the 40m band with low height of suspension. Its upper corner located at the height of λ/4. I.e. for this antenna acceptable any mast with height...
The application called “MyLoTW” and works with ARRL LoTW service on Android and iOS platforms. The mobile application allows you to: Look through all the QSOs loaded into LoTW. Add new callsigns to your...
The Icom HM-36 microphone is a simple electret mic. But many owners notice that some microphones sounds bad. What reason? There are two different types of ICOM microphone HM-36 (exclude chinese fake): First type...
A dipole antenna is a symmetrical antenna, consisting of two quarter wave elements, connected to each of the two conductors (inner and outer) of a coaxial cable. You will need a center insulator for...
The Yagi antennas with a frame vibrator, located in the plane of the antenna, are called LFA-Yagi (Loop Feed Array Yagi) and are characterized by a greater operating frequency range than the usual Yagi....
The antenna, shown in the drawing, is an extended version of the well-known W3DZZ-antenna, adapted for work on 160, 80, 40 and 10 m bands. For installation of the antenna it is necessary space...
Six Meters (50-54 MHz) is known as “The Magic Band” to many of its fans, but the best description I ever heard came from a ham I worked during a frantic summer Sporadic-E opening:...
Earnest Humphrey Scott emigrated from New Zealand to America in the early 1920’s and started a business venture to manufacture only the highest quality radios. By the mid 1930s, he was offering custom-built radios...
Zenith was founded by Ralph Matthews and Carl Hassel in Chicago, Illinois as Chicago Radio Labs (CRL) in 1918 as a small producer of amateur radio equipment. The name Zenith was derived from the...
Eddystone Radio really began in 1923 as a result of changing hair styles. Stratton and Co. were manufacturers of hair pins and when the demand rapidly dropped, G Stratton Laughton, son of the founder...
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