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Antennas : 40M : 40 meter Dipole Antennas
  • The 40 Meter Inverted V Antenna - This 40 meter Inverted V antenna was tested and tuned at a height of 35 feet and proved excellent results. The ends of the antenna are about 11 feet above the ground. Article and video available
    [ Hits: 1478 | Votes: 9 | Rating: 8.67 ]
Antennas : 70cm
  • 432 MHz 5 elements Yagi - 5 Element Yagi with Conventional Driver, this little Yagi has a high F/B, which makes it quite useful as a contest stack.
    [ Hits: 725 | Votes: 2 | Rating: 10 ]
  • 432 MHz yagi antenna - A 70 cm yagi designed for EME + SSB narrow bandwidth version, strictly G/T breeding. This little Yagi has a high F/B, which makes it quite useful as a contest stack
    [ Hits: 676 | Votes: 2 | Rating: 10 ]
Antennas : Moxon
  • 70cm Moxon Beam - A moxon antenna project for 70 cm band, test and results of this popular antenna model applies to UHF bands.
    [ Hits: 1731 | Votes: 9 | Rating: 6.34 ]
DX Resources : Contest : SO2R
  • 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.
    [ Hits: 192 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : USA : Mississippi
  • 599 DX Association - Formed in 2010 by a group of hams whose core hobby interest is DXing and Contesting. The 599 DX Association members are unapologetic about their love and enthusiasm for this aspect of our hobby.
    [ Hits: 195 | Votes: 0 | Rating: 0 ]
Ham Radio : Disabilities
  • Can a dumb radioamateur take part in SSB contest? - By using HamRacer, a windows based voice keyer, also dumb radioamateurs can take part to SSB contests. The unique synthesized PC-based voice keyer for HF and VHF SSB contests. In this video you can assist a real contest with recorded QSO with: SP6OWA, S57O, OK1IEI, 9A1DL, OE1PAB, OK1GTH, 9A1E.
    [ Hits: 473 | Votes: 2 | Rating: 10 ]
Propagation : Propagation Forecast
  • Band Conditions - Current HF band conditions online report and graphs. This page provides band condition information to CW and SSB Contesters. It can also be of benefit to other Radio Amateurs to determine band condtions for Nets and casual QSO
    [ Hits: 3518 | Votes: 22 | Rating: 7.9 ]
Radio Equipment : Antenna Analyzers : MFJ-259B
  • Calibrating the MFJ-259B Antenna Analyzer - This calibration procedure is the correct procedure for later MFJ-259B's. Disregard any other information. Since MFJ-259B software has been changed under the same model number, you may find some final performance test steps not valid. These steps will involve parameters that do not appear on the display.
    [ Hits: 634 | Votes: 4 | Rating: 1.25 ]
Radio Equipment : HF Transceivers : ICOM IC-756
  • 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.
    [ Hits: 161 | Votes: 1 | Rating: 9 ]
Radio Equipment : HF Transceivers : Kenwood TS-590S
  • TS-590S TX Mod  updated - There are 2 possible TX extensions on the E version, either full TX (1.705 - 30 MHz) or just open up 5 MHz (cut the R968 jumper and make it into a K version). This mod has been tested on TS 590S and not on TS 590SG
    [ Hits: 1193 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Vertical Antenna
  • The MonoGap Antenna for 30m Reviewed - A review of the 30 meter MonoGap Antenna. This review covers from the unboxing go the Gap product, the assembly of the elements, the test and tuning phase and a performance report during the years
    [ Hits: 240 | Votes: 1 | Rating: 10 ]
Software : Circuit Design
  • DesignSpark PCB - DesignSpark PCB is the world's most accessible electronics design software, specially designed for Rapid Prototyping and turning your circuit ideas into testable boards faster. Easy to learn and easy to use, DesignSpark PCB is free and can you can download DesignSpark from this site.
    [ Hits: 526 | Votes: 0 | Rating: 0 ]
Software : Macintosh
  • Morse Runner on MacOS - Run Morse Runner on Apple MacOSX computers using Wineskin. Morse Runner is a popular MS Windows morse code contest simulator. You can do this by yourself or just download the ready-made dmg and use it on your apple mac.
    [ Hits: 206 | Votes: 1 | Rating: 9 ]
Software : Radio Control
  • CATconv Yaesu FT-991 HamRadio Deluxe Controller - This app permit to work in DigiModes using the latest free version of HamRadio Deluxe Suite 5.24.0.38 with the new Yaesu FT-991 (which is not supported in that version of the application) using the Yaesu FT-950 model in HRD
    [ Hits: 626 | Votes: 1 | Rating: 8 ]
Technical Reference : Antenna Rotator
  • 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.
    [ Hits: 567 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Arduino
  • AutoCap Tuner for mag loop Antennas - This article describes a loop tuning system that automatically keeps a contest-band loops properly adjusted as operator hop around each band, made with Arduino
    [ Hits: 894 | Votes: 2 | Rating: 6 ]
Technical Reference : Coax Cables and Connectors : Testing Coax Cables
  • RF Cable Testing - The cable testing approaches discussed in this article gives an idea about the electrical characteristics of a coaxial cable. Velocity of Propagation, Characteristics Impedance, Return Loss Measurement and more
    [ Hits: 450 | Votes: 2 | Rating: 4 ]
Technical Reference : Spectrum Analyzers
  • Tektronix Compatible Tracking Generator - A spectrum analyzer is always an usefull amateur radio test equipment that should be present in a radio shack. Hams can use it for testing frequency response of filters, amplifiers, and other two-port RF devices. This article illustrate a tracking generator compatible with any spectrum analyzer in the Tektronix 490- and 2750-series lineups
    [ Hits: 188 | Votes: 0 | Rating: 0 ]
Technical Reference : Test Equipment
  • Return Loss Bridge - This Return Loss Bridge has been designed to characterize the input impedance of a receive strip, and the output impedance of a transmit strip
    [ Hits: 322 | Votes: 2 | Rating: 1 ]

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