Amateur Radio made in Italy
VERTICAL DIPOLE Since I had purchased the Kenwood TS-590 transceiver a few months before I got my license, I needed an antenna (or antennas) right away for listening on the ham bands. The antenna that I put up first was a vertical dipole for 10, 15, 20 and 40 meters. The reasons for this selection…
The Gamma match is the most used matching device used for yagi beams. What it does is: A Yagi almost never has an impedance of 50 ohms. In other chapters i told that Gain, bandwith, F/B etc. all relate to eachother these figures are never all high at one point. A well designed yagi has…
Italy gain the sixty meter band
Kenwood KPG-46 Programming Cable Suitable for the following radios: Kenwood TK-71 TK-81 serie Kenwood TK-7302 / TK-8302 NX-700 de Kenwood / NX-800 Series Kenwood TM-271E Component List: C1 470?f 16v. C2 47?f 16v. C3 a C6 10?f 16v. IC1 MAX 232. REG1 78L05.
This 2m yagi uses design data from DK72B’s excellent yagi website. The element to boom mounting used here may be of use to some as it does not use any polamid mounting / insulating clamps at a cost of 2 euro each ( this is a 7 el crossed Yagi so twelve clamps would be…
A windom antenna for 10 to 80 meters band – a design by PU1LHP
A Vertical Antenna for 7 HMz
Postwar Countries List Official List for ARRL DX Contest and the Postwar DXCC From QST, February 1947, pp. 49 – 50 MANY of the DX men have been at a loss to appraise accurately their postwar DX accomplishments because the last revised Countries List was made up back in 1939 and, since that time, many…
A coax atenna project by WB4CPO from the late 80s that can be considered a double bazooka antenna. Type of coax needed — RC 58/U or RC 8/U. RC 58/U is the best. Use the same type coax for antenna and feed line. Maxium legal power can be used on the RG 58/U without fear…
A little over 60 years ago, a company called Times Microwave Systems (TMS) was born in Wallingford Connecticut. They made all kinds of wires and coaxial cables for many communications companies and the military. First I want to make it clear that I do not work for or get paid by TMS for this article or…