es tech

842 links - and 5 categories

144 Mhz Magnetic Loop ^updated - A magnetic loop antenna for 144 mhz, two meter band
[ Hits: 17626 | Votes: 35 | Rating: 5.74 ]

Building baluns ^pop - How to easily home-brew baluns even in strange formats 1/1 - 2/1 - 4/1 - 6/1 - 9/1 - 12/1 et 16/1 for bands from 1.8 to 30 (50) MHz in french
[ Hits: 34483 | Votes: 41 | Rating: 5.49 ]

This Old Dipole - An antenna construction workshop conducted at Marshall N1FN's QTH
[ Hits: 11839 | Votes: 6 | Rating: 7.17 ]

The Ultimate transmatch - Usage and benefits of transmatch. A pdf document from a QST article made available for novices and beginners by ARRL
[ Hits: 16641 | Votes: 11 | Rating: 5.64 ]
Better Feedline Loss Measurements with Antenna Analyzers - Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation
[ Hits: 1921 | Votes: 2 | Rating: 10 ]
Let's talk transmission lines - Don't neglect one of the most important parts of your station!
[ Hits: 1057 | Votes: 3 | Rating: 9 ]

Getting the most from your tuner - Here is how to adjust this popular tuner circuit so it transfers maximum power to your antenna without going snap
[ Hits: 2826 | Votes: 3 | Rating: 6.33 ]

144/430 dualband J-Pole antenna - A simple and cheap dualband j-pole antenna for 144 and 430 MHz
[ Hits: 15641 | Votes: 19 | Rating: 5.31 ]

California Historical Radio Society, CHRS - The california historical radio society is a non-profit, volunteer organization dedicated to the radio. our members acquire, restore, trade, and exhibit radio technology and memorabilia. our members research and document historical radio. become a chrs member and learn about the art and science of the radio.
[ Hits: 562 | Votes: 1 | Rating: 10 ]

Vintage Radio & Audio pages - A resource for Collectors and Restorers of Vintage Electronic Equipment.
[ Hits: 700 | Votes: 1 | Rating: 10 ]
Fun With Tubes - A noncommercial site operated by Max Robinson and dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques.
[ Hits: 733 | Votes: 5 | Rating: 9.8 ]

Atwater Kent Home Page - This is a "techie" site, dedicated to presenting service manuals, parts lists, schematic diagrams and other information of value to restorers and technicians who try to keep these radios working
[ Hits: 1208 | Votes: 2 | Rating: 7.5 ]

The New Zealand Ham Radio Study Guide - A complete guide to NZ amateur radio examinations. Include usefull technical documentation you can use to prepare yourself to the exams.
[ Hits: 722 | Votes: 3 | Rating: 7 ]

Comtechpst.com - High Power RF Amps - Comtech PST offers solid-state power amplifiers in frequency ranges from 1 MHz through 3.6 GHz, with output power levels ranging from 5 watts to over 30 kW
[ Hits: 3174 | Votes: 3 | Rating: 7.33 ]

RippleTech Electronics - Wide bandwidth Trapped Verticals and rotary dipoles, baluns, 40m/80m wire dipoles and accessories from Australia.
[ Hits: 1260 | Votes: 3 | Rating: 10 ]

DK5CZ AMA Antennas - AMA magnetic loop antennas, original Kaferlein AMA, produced by funktechnik-beese based in Germany, late in 2016 right and production has been acquired by Wimo
[ Hits: 3863 | Votes: 8 | Rating: 7.51 ]

Aether - Aether is an ham radio logging for the Mac. Aether gives hams logging software that is as powerful, easy to use, and good looking as the operating system it runs on. Designed from the ground-up using Apple's Cocoa, Aether supports the latest Mac OS X technologies, and provides the experience that Mac users expect.
[ Hits: 3059 | Votes: 10 | Rating: 8 ]

How to solder PL-259 - How to solder PL-259’s compiled by K1VR
[ Hits: 3663 | Votes: 1 | Rating: 10 ]

High Voltage Breakdown Tester - K8CU technical topics article about high voltage breakdown tester necessary for testing of any high voltage components like vacuum tubes, high voltage capacitors, vacuum relay
[ Hits: 537 | Votes: 4 | Rating: 7.75 ]