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Top Amateur Radio Websites – Issue 1930
Cost-effective ferrite chokes and baluns GM3SEK In this article the author describes some new designs of ferrite loaded chokes for suppressing unwanted common mode currents at HF applied to feed lines...
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Top Amateur Radio Websites – Issue 1931
The Easy Way Antenna Systems WB5IIR This document is a must read for anyone considering building a good low cost HF multi-band antenna system. The author combine in this document four important...
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Top Amateur Radio Websites – Issue 1932
Second floor grounding w8ji Solution for stations located at secondo floor or higher. Lead lengths to the grounding system are much too long to provide a low-impedance RF ground. Field Day Vertical...
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Top Amateur Radio Websites – Issue 1933
Antuino – Antenna Test Equipment hfsignals Antuino is an accurate instrument that can be used in the field to measure SWR, field strength, modulation, etc. In the lab, it can be used to sweep filters,...
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Top Amateur Radio Websites – Issue 1934
Amateur Radio – State of the Hobby – Survery N8RMA Annual poll for radio amateurs – the good, the bad, the ugly! This is an annual survey conducted among the online community, and it represents the...
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Top Amateur Radio Websites – Issue 1935
Speaker Wire Doublet Antenna K4IZ A portable wire antenna for the HF bands, made with a common speaker wire. In its natural form, the speaker wire acts as parallel feed line coming up to the bottom of...
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Top Amateur Radio Websites – Issue 1936
Linux and Amateur Radio – Presentation KD7GR A PDF presentation about Amateur Radio and Linux by By: Dave Mamanakis. A beginners guide to Linux for radio amateurs, this presentation cover basic...
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Top Amateur Radio Websites – Issue 1937
Using a Baofeng handheld to work Satellites KM6NHH How to program Baofeng handheld transceiver with satellite frequencies, and how to get alerts when satellites are visible by using a smartphone app....
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Top Amateur Radio Websites – Issue 1938
Homebrew 5/8 Wave HF Vertical Antennas PA3HCM The advantage of 5/8 wave antenna is that it has the lowest angle of radiation and has about 1dB more gain when compared to 1/4 and 1/2 verticals. So the...
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Top Amateur Radio Websites – Issue 1939
Micro24 Cigarette Pack SSB QRP Transceiver for 20m DK7IH The Micro24 is a ultra compact microsize QRP SSB transceiver for the 20 meters amateur radio band. This transceiver is so small that it fits...
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Top Amateur Radio Websites – Issue 1940
80 Meter Shortened Ground Plain Antenna DL2KQ This antenna is a vertical loop antenna mounted on a 8 meters high grounded mast with an input impedance of 50 Ohms without a matching device LogHX...
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The Best Amateur Radio Links of 2019
Some of the best amateur radio links we reviewed during the 2019. .link-cont7 { padding-bottom: 15px; margin:auto; width:100%; border: 0px solid #f5f5f5; } .link-img7 {} .link-thumb7 { width: 100%;...
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Top Amateur Radio Websites – Issue 2001
LogHX freeware logger software RX4HX LogHX is a freeware windows ham radio logger software, designed as complete Ham Radio environment. Radio control interface, online log book interfaces, cluster...
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Top Amateur Radio Websites – Issue 2002
Grounding HF Transceiver using Coax Cable 9M2SX Improper grounding or earthing system can cause several unwanted RF interferences (RFI) to television sets, broadcast receivers, hi-fi sets and...
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Top Amateur Radio Websites – Issue 2003
Raspberry Pi and Automatic NOAA Satellite Reception instructables How to receive automatically NOAA wather satellite images with a Raspberry Pi and a RTL SDR. This project requires a Raspberry Pi 3...
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Top Amateur Radio Websites – Issue 2004
Experimental HF 6-band SSB transceiver DK7IH An SSB radio for the HF bands will be presented. Featuring 12 to 20 Watts of output power (depending on DC supply), full DDS frequency generation, covering...
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Top Amateur Radio Websites – Issue 2005
Semi-automatic antenna tuner project DK7IH Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass...
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MSI.SDR Panadapter SDR Receiver
The MSi.SDR is a wide spectrum SDR receiver by BA5SBA that is available on the market since some months now and can be purchased at 40 Euros / 50 USD from major online stores, including Aliexpress and...
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Top Amateur Radio Websites – Issue 2006
How to stack dissimilar yagi antennas WA5VJB In this article the author provides some guidelines on how to solve a common problem when stacking different types of yagi antennas on the same mast,...
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Top Amateur Radio Websites – Issue 2007
Home Made Artificial Ground Tuner PA0Q Home made Artificial Ground. This article contains a schematics of a custom artificial ground device that can be used to ground your station equipment if you...
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