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Top Amateur Radio links of the week Issue 176
Introduction to NBEMS W3YJ A presentation of the NBEMS and the importance of data transmission in Digital EmComm. Broadband 80 meter dipole AB2RA The AB2RA bowtie 80 meter antenna includes also a 40...
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Top Amateur Radio links of the week Issue 276
The HF Bands – For HF Newcomers N0GW The HF ham bands can be mysterious. Some work at night, some during the day. Some seem to be good for long distance contacts while some are better for nearby...
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Top Amateur Radio links of the week Issue 173
Antenna Balun laarrl What is an antenna balun, why and when do you need it, type of transformers, impact on SWR and feed line efficiency. Tunable BandPass Filter YU1LM A homemade tunable bandpass...
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Top Amateur Radio links of the week Issue 174
Ground Plane Antenna Calculator Buxcomm This calculator is designed to give the vertical length of a quarter-wave ground plane antenna, and the length of each of the four radials for the selected...
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Top Amateur Radio links of the week Issue 175
Antennas for 160m The best results work when you have an antenna with a large vertical component. It is difficult to get a horizontal antenna (dipole) high enough to be an effective antenna on 160....
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Top Amateur Radio links of the week Issue 176
A loop antenna for 7 MHz to 30 MHz W1QG This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for...
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Top Amateur Radio links of the week Issue 177
Balun Construction G8JNJ The design of Ruthroff broadband voltage transformers 50 MHz Coax Dipole VK1NAM SOTA 6m 52 MHz Coaxial Dipole Antenna based on the vertical coaxial dipole named the Flowerpot...
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Top Amateur Radio links of the week Issue 178
Crimp Vs Solder rfcoaxconnectors.com Crimping vs Soldering connectors, pros and cons Pirate Radio New Listener Guide and FAQ hfunderground What Are Pirate Radio Stations and Why Listen to Pirate...
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Top Amateur Radio links of the week Issue 179
VHF UHF Coaxial Dipole Antenna W6NBC A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive KERO KERO CW 80M...
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Top Amateur Radio links of the week Issue 1710
160M antenna for small lots or gardens Christian Small & practical DIY inverted U antenna. This design worked very well during the 2017 CQWW 160M SSB contest. 5U5R Log Online 5U5R On-line Log...
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Top Amateur Radio links of the week Issue 1711
A Homebrew Z-Match Transmatch WB3GCK A home made antenna tuner based on the W6JJZ basic concept that ,atches balanced loads without the use of lossy baluns, can provide band-pass filtering and...
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Top Amateur Radio links of the week Issue 1712
Solar Powered 12V Ham Radio Station Forrest Cook This article shows how to power an amateur radio station from solar power using four kits that have been designed to work together in a modular way,...
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Top Amateur Radio links of the week Issue 1713
Magnetic Loop Antenna for 40-20m 9M2SX If you have space constraint at your QTH for a HF antenna, you can try contructing this HF magnetic loop antenna for 40-20 meters bands Rotator Comparison Table...
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Top Amateur Radio links of the week Issue 1714
FIeld Antenna for 40m UA6AGW The antenna was designed for installation in a field conditions or limited space. Antenna may be installed at a low- height mast. Antenna does not required guys and takes...
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Top Amateur Radio links of the week Issue 1715
1:1 HF Balun IZ8JFD This page contains the description and DIY info for a 1:1 HF current balun. In Italian The W3EDP Antenna G0KYA A wire antenna feeded with an unsymmetrical feed and a 1:4 balun can...
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Top Amateur Radio links of the week Issue 1716
VHF Collinear Antenna WX9DX This antenna will cover the 2 meter Ham Radio frequencies. This collinear antenna has a total gain factor approx 6 to 7dbd on two meter band WX9DX Quad Antenna WX9DX A two...
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Top Amateur Radio links of the week Issue 1717
J-Pole Calculator KB3KAI Online J-Pole antenna length calculator Digital Modes Software Review WB8NUT In this article WB8NUT review the most popular amateur radio related digital mode software for...
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Top Amateur Radio links of the week Issue 1718
Parallel Circular Conductor Transmission Line Calculator ON4AA Design a parallel circular wire balanced transmission line with this online calculator. This calculator is a tool for designing balanced...
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Top Amateur Radio links of the week Issue 1719
40m Linear-Loaded Dipole M0PZT A short dipole wire antenna for 40 meters band. It is a folded dipole that do not make use of coils and can be used either in horizontal or inverted V configuration...
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Top Amateur Radio links of the week Issue 1720
Building a CobWebb Antenna Sivan Toledo Homebrew a cobwebb antenna for the HF bands. This page describe a cobwebb multiband antenna resonating on 14 18 21 24 and 28 MHz. The cobweb antenna model can...
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