tech test

tech test

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• Patented RF choke test - A reproduction test of a a binocular ferrite core and winds a total of 7 turns is a patented rf choke with an unusual winding, although this winding scheme reduces the inductance, it might result in a much larger bandwidth over which the choke has a sufficiently large impedance. The Author test this model by reproducing the choke.
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• Tuners Do Not Solve All Ills - Tuning non-resonant antennas and usage of such technique during contests.
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• New Technologies and Contesting - How new technologies affect the art of contesting by DH1TW
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• Two Radio Contesting Tutorial - This is an explanation of the intended way to use TR LOG with two radios in the ARRL November Sweepestakes, CW. The concepts and techniques presented here can work for you in other contests, as most of the ideas are the same.
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• Swamp Fox Contest Group - We are a group of ham radio operators located in South Carolina. The main object of this group is focused on radiosport, which includes contesting, fellowship, and technical support.
  [ Hits: 272 | Votes: 3 | Rating: 10 ]

• The NorthEast Wisconsin DX Association - The NorthEast Wisconsin DX Association (NEWDXA) was established in December 1993 by twenty-one amateurs from the region who shared an interest in DX'ing and Contesting. Those individuals came together because of this interest and the additional interests in communicating with others, maintaining high operating and technical standards, and their passion for DX'ing.
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• Amateur Radio for the Blind - Accessible Equipment Manuals, Useful Operating Tips and Techniques and Contesting for the Blind by NU7I
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• The No-Nonsense Technician-Class License Study Guide - The No-Nonsense Technician-Class License Study Guide for tests given between July 2014 and June 2018, download the free PDF by KB6NU
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• Florence RadioFest - The Florence RadioFest is a popular hamfest organized by local ham radio club in Florence Italy that includes a large Flea-maket, main ham radio dealers and shops, and features technical workshops, a homebrew contest and prize-giving.
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• RF Amplifiers - NP Technologies, Inc. - Develop, design, manufacture and test a wide range of RF Amplifier products including highly linear class A Broad Band, Cell Band, Pulse, AM & FM broadcast and Military VHF.
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• Valon Technology - Valon Technology designs and manufacturers low cost, reliable radio frequency products such as RF Synthesizer modules, RF Frequency Dividers and Phase Gain Detectors. Main markets are military/defense, test engineering, radio astronomy, research centers and universities
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• 9A5N Solid State CW Paddles - 21st Century telegraphy paddles, software defined telegraphy paddles by 9A5N. Following global trends in the application of the latest technology, HAM 9a5n has made a significant technological breakthrough in the field of CW paddles
  [ Hits: 474 | Votes: 1 | Rating: 10 ]

• Icom IC-756PROIII - Icom UK Discontinued products - A page dedicated tho the IC-756PROIII transceiver. This radio, discontinued, incorporates many of the features that made its predecessors so successful. However, the integration of the latest technology employed in the IC-7800 such as receiver technology, +30dBm class IP3, miniscope makes this new rig the very pinnacle of the IC-756PRO series.
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• Best VHF Contest Transceivers - Report on tests done on VHF Radios to understand which are best suited for 144 MHz operation in large signal environments like VHF contests
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• Explaining ARRL Radio Tech Reviews - Explaining ARRL Technical Reviews of Radios a brief tutorial on radio testing. The ARRL Lab tests radio equipment according to standardized test procedures, using calibrated professional test equipment. Info on transmitter and receiver tests
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• HAMTech Shop - Toys for Real Contesting & Dxing based in Slovenia
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• SurplusEQ.com - Buy, Sell and Trade High-Tech Equipment, including test equipments, meters, testers.
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• CW Forever - CW Training Software - Popular, versatile and easy to use Morse code training software written with the latest PC software technologies, and it is free with support. Guaranteed to increase your speed!
  [ Hits: 1680 | Votes: 2 | Rating: 10 ]

• Pretty Lousy - PL 259 Connectors - The PL259/SO239 (aka UHF) connectors have harsh critics and religious defenders. Questionable measurement techniques complicate matters.
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• Morse Code Practice Oscillator - In this project, we blend old school and new school tech to create a Morse code oscillator that you can use to practice keying Morse code. We start by milling out a double-sided board on the Bantam Tools Desktop PCB Milling Machine, then we solder on a series of components, and finally test our skills of yesteryear communication
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