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• AGCW-DL QRP Contest - The AGCW-DL invites all radio amateurs to participate in the annual QRP CONTEST. Annually on the second Saturday in March from 1400 to 2000 UTC. 80-10 meters bands except WARC
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• PY0F AA4VK Fernando de Noronha - Three of the five-members from the 1992 Navassa DXpedition Team, AA4NC, Will; AA4VK, Ron; and WA4DAN, Murray are planning a reunion DXpedition to PY0F, Fernando de Noronha from October 18-27, including operating in the CQWW Phone Contest. An all-band operation is planned on 160 – 6 meters with SSB, CW & RTTY
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• W0CW Kansas City DX Club - Established in the mid 1970's The Kansas City DX Club is an ARRL-affiliated amateur radio club open to anyone interested in DX or contesting. Our club callsign is W0CW. Many of our club members are from the Kansas City metropolitan area, on both sides of the Missouri/Kansas state line, but our roster also includes members from all over the United States.
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• Data Sound Samples - This page contains links to a variety of data signals that have been specially recorded. Each file contains a standard test message (the quick brown fox jumped over the lazy dog) repeated twice. The files can help you learn the characteristic sound of various data modes but they can also be used to make sure your decoder is working.
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• Probemaster - Probemaster manufacturers probes of all kinds, including oscilloscope probes, differential probes, test leads and much more, all proudly made in the USA
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• The Transatlantic Tests - From 1921 to 1924, radio amateurs experimented with transmitting across the Atlantic. Everyday Engineering magazine organized the first sending test with English amateurs prepared to listen for signals from the US
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• Kenwood TS-890S Sherwood HF Test Results - Receiver performance review of the Kenwood TS-890S HF,50MHz,70MHz amateur radio transceiver by Sherwood Engineering
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• Sherwood Tools - Rigs, Price and Satisfaction Studies - A growing set of pages with tools and analyses of various elements of data elements based on Sherwood RX tests
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• MATsolutions - Since 1992, MATsolutions has delivered the assurance our clients need when acquiring, maintaining, and managing high-quality test and measurement equipment. Used Electronic Test & Measurement Equipment Sales, Calibration, Repair & Services
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• Contest Log Analyzer - The complete software suite to Edit, Analyze, Generate Statistics, View multiple logs simultaneously, Map QSOs, Import and Export to Cabrillo or ADIF files. The Contest Log Analyzer has been developed as a complete database management application, where you can create separate Databases, containing several Logs, a convenient way to save, in one place only, all your log files that accumulate over the years. It runs on Mac and Windows, and it is a commercial product.
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• Soundmodem UZ7HO - Soundmodem is a free software defined dual-port Packet-Radio TNC that implement a soundcard as a modem and supports AX.25 protocol. Soundmodem has been tested on Windows XP, Vista, 7, 8, 10 and has proved stable in operation. The Soundmodem may be used to build EMCOMM, APRS, BBS, Node station, for satellites
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• CatBKT Universal CAT Control - Program for the control of the transceiver from your PC. Works on windows and has been tested with different serial and USB interfaces, Based on hamlib libraries , Auto CQ for repetitive calls, Audio Recorder, BktNetInterface for JTDX and WSJT-X
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• Arduino Rotator Computer Interface and Controller - This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B and Easycom protocols which are supported by a myriad of logging, contest, and control programs.
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• SimpleSat Rotor Controller - his controller uses the Yaesu GS-232 command set to control a Yaesu G-5500 Az-El rotor. The controller was designed to be compatible with the SatPC32 tracking program and should work with any tracking program that supports the Yaesu GS-232 format. This controller has been tested with the Arduino UNO and the Arduino Mega2560.
  [ Hits: 243 | Votes: 3 | Rating: 7.33 ]

• Ecoflex-15 Degradation - This article describes the problem detection on power loss events experienced during repeated usage of the Ecoflex-15 coax cable by members of the G3PYE contest minions and addressed to repeated coiling and uncoiling which has fractured the foil braid in numerous places.
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• HF-MT Dummy Load by VK2KVV - A handy piece of test equipment useful for HF bands, can absorb a 200W modulated carrier for almost 2 minutes. It is housed in a tin and part filled with dry sand that helps in power dissipation
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• Spectrum Analyser I1KFH - A home mande spectrum analyzer project with several pictures and disposition of components boards based on a project by S57C
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• Antuino - Antenna Test Equipment - 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, measure gain, distortion, frequency response, etc. It works upto 150 Mhz. On the third harmonic, it is usable on 435 Mhz band as well (with reduced sensitivity).
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• A Simple Field Strength Meter - Mad your own simple FS meter. It is the simplest thing to make and is good enough to see if the antenna under test is radiating more power than your old ground plane, old mobile vertical or just radiating at all in a particular direction or in all directions.
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• Two Tone Generator - A two tone generator is an essential test gear made with just four transistors that helps you evaluate your amplifiers, mixers, receivers for distortion. Distortion makes all the difference between a pleasant receiver and a horrible sounding one, between a clean transmitter and bad, splattering one on air.
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