design

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design

1030 links - and 5 categories

Antennas Antennas : 160M
  • An 80-160 magnetic loop antenna - A classic diamond shape loop antenna that works fine on 80 and 160 meters band. This loop design allow a few watts power only and include part list and construction details.
    [ Hits: 5175 | Votes: 3 | Rating: 1.33 ]
Antennas : Antenna Calculators
  • Magnetic Loop calculator  updated - Magnetic loop antenna calculator and loop antenna design program for windows let you calculate dimensions for magnetic loops antennas, in german
    [ Hits: 5222 | Votes: 24 | Rating: 4.37 ]
  • Design a J-pole Antenna - Enter the operating frequency in MHz to calculate the dimensions for your J-pole.
    [ Hits: 3953 | Votes: 16 | Rating: 7.38 ]
Antennas : Collinear
  • Design your Own Super J Pole  pop - Javascript for calculating the lengths of tubing to be used for the construction of a Super J-Pole in a collinear design
    [ Hits: 16970 | Votes: 33 | Rating: 6.69 ]
Antennas : Dipole
  • Dipole antenna - Overview, summary, tutorial about the dipole antenna or dipole aerial that is widely used on its own and as the basis for other antenna designs.
    [ Hits: 3026 | Votes: 1 | Rating: 3.00 ]
  • K7MEM - Folded Dipole Design - Design your own folded dipole antenna
    [ Hits: 4726 | Votes: 18 | Rating: 7.17 ]
  • K7MEM - Inverted V Antenna Design - Inverted V antennas is a dipole with the center raised on a mast and the endpoints near ground. Calculate dimensions online.
    [ Hits: 3445 | Votes: 7 | Rating: 6.14 ]
Antennas : Feed Lines
  • Comparator-based RF switch - This is a concept paper, not a constuction article. There are too many variables to propose a one size fits all design. However, this paper should give you the basic idea how to do it
    [ Hits: 564 | Votes: 1 | Rating: 5.00 ]
Antennas : Homebrewing Techniques
  • Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF
    [ Hits: 731 | Votes: 1 | Rating: 5.00 ]
Antennas : Satellite
  • AO-27 yagi antenna design - A 7 elements yagi antenna for the AO-27 satellite reception
    [ Hits: 4188 | Votes: 6 | Rating: 5.00 ]
Antennas : Tuners
  • Z Match for High RF power - Based on VK5BR's Z-Match and designed for High RF Power covers 160 to 10 meters by VK6YSF
    [ Hits: 4640 | Votes: 5 | Rating: 7.80 ]
Antennas : VHF UHF
  • FM Transmitting Antenna - The antenna system about to be described here is a superset of the classic "J-Pole" design, a 4-bay J-Pole antenna
    [ Hits: 1194 | Votes: 0 | Rating: 0.00 ]
Ham Radio : Clubs : North America : USA : New York
  • The Electchester VHF Club - The electchester vhf club is located in flushing, queens, ny and operates an arrl coordinated, 2 meter, vhf repeater designed for amateur (ham) radio use.
    [ Hits: 466 | Votes: 1 | Rating: 5.00 ]
Ham Radio : Clubs : Technical Specialty
  • W5HN North Texas Microwave Society - Dedicated to Promoting Activity, the State of the Art in Equipment Design, and the Exchange of Ideas and Technology for the Amateur Bands Above 902 MHz
    [ Hits: 313 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Towers and Accessories
  • Rajessh Eng. The Tower Company - Rajessh Engineers is a general Purpose designing, fabricating, and commissioning of communication towers, transmission towers, sub-station structures and their accessories. Rajessh Engineers located at IT Highway, Sholinganallur, Chennai, Tamil Nadu, India. Rajessh Engineers is an engineering steel fabricating company to meet the highly specialized needs of the communication, power industry.
    [ Hits: 424 | Votes: 0 | Rating: 0.00 ]
Software : Circuit Design
  • ExpressPCB - Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.
    [ Hits: 2158 | Votes: 5 | Rating: 5.40 ]
Software : Macintosh
  • RUMPed - RUMped is a logging tool for short wave for the MAC under OSX. It is not designed for the daily QSOs. Currently RUMped supports a DX-pedition mode, some major contests and a general contest mode for unsupported contests.
    [ Hits: 409 | Votes: 0 | Rating: 0.00 ]
Software : Voice tools
  • Codec 2 - Codec2 is an open source low bit rate speech codec designed for communications quality speech at around 2400 bit/s. Applications include low bandwidth HF/VHF digital radio.
    [ Hits: 998 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Amplifiers : HF Amplifiers
  • 4 x 813's RF Amplifier Deck - This amp project was an exercise in cheap! The design criteria was to use only components in the JUNQUE BOX
    [ Hits: 11945 | Votes: 19 | Rating: 5.47 ]
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