design

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design

1021 links - and 5 categories

Antennas : 2M
  • 2 Meter 10 Element Quagi Antenna - This antenna was designed by N6JSX Kuby for Transmitter hiding. Fitting the requirements of directionality, high gain, and portability. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use.
    [ Hits: 14172 | Votes: 27 | Rating: 7.25 ]
  • Quagi and Yagi on 2 Meters - Designing quagi and yagi antennas on 2 Meters, some preliminary notes by Cebik, W4RNL
    [ Hits: 3919 | Votes: 4 | Rating: 3.25 ]
Antennas : 6M Antennas : Baluns
  • Balun Construction - The design of Ruthroff broadband voltage transformers
    [ Hits: 1019 | Votes: 2 | Rating: 5.50 ]
Antennas : J-Pole Antennas : Magnetic Loop
  • Loop Antenna Design - Full-wave loops are very popular antennas. They are especially useful on 80 and 40 meters where they perform well at modest heights
    [ Hits: 2160 | Votes: 1 | Rating: 10.00 ]
Antennas : Mobile
  • An automatically tuned 7-30MHz mobile antenna - This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.
    [ Hits: 3684 | Votes: 2 | Rating: 1.00 ]
Antennas : Quagi
  • Quagi Designer - Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB
    [ Hits: 5209 | Votes: 23 | Rating: 5.08 ]
  • 2m Quagi Antenna plan - A design of a 2 m quagi antenna by TA2IB
    [ Hits: 4071 | Votes: 29 | Rating: 8.37 ]
Antennas : Satellite
  • K5OE, 70 cm Quagi Antenna - An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed
    [ Hits: 5058 | Votes: 5 | Rating: 7.40 ]
Antennas : Theory
  • Easy way antenna systems - Written by John M. Haerle, WB5IIR (SK). A must read for anyone considering building a good low cost HF multi-band antenna system.
    [ Hits: 830 | Votes: 3 | Rating: 10.00 ]
Antennas : Theory : Antenna Gain
  • CSVHFS Antenna Gain Measurements - The Central States VHF Society has conducted Antenna Gain Measurements since its inception in 1967. Comparisons between commercial and homebrew antennas, between different homebrew designs, and between different commercial designs. Mostly VHF UHF and up antennas.
    [ Hits: 1207 | Votes: 2 | Rating: 10.00 ]
Antennas : Traps
  • Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Muller, DG1MFT
    [ Hits: 13464 | Votes: 6 | Rating: 5.50 ]
Manufacturers : Antenna Masts and Mounts
  • Tennamast - Tennamast design and manufacture a wide range of fabricated metal goods, Antenna masts, Wind-sock masts, and masts for holding such systems as CCTV, Loudspeakers, Lighting units
    [ Hits: 4298 | Votes: 6 | Rating: 9.00 ]
Manufacturers : Antennas : HF : Mobile Antennas : Screwdriver Antennas
  • Tarheel Antennas - Our motorized antennas and stainless steel mounts are designed with the most avid HAM radio operator in mind, as well as commercial applications. They are made with the best materials and top of the line workmanship. Antenna mounts
    [ Hits: 4691 | Votes: 7 | Rating: 10.00 ]
Manufacturers : Digital and Packet Radio
  • Communication Concepts, Inc. - Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV
    [ Hits: 2471 | Votes: 4 | Rating: 4.25 ]
  • NETCERTUS ampsequencer - Advanced microprocessor driven control board specifically designed to buffer CW key signals while switching the amplifier to transmission, it can also be used to provide proper TX delay timing for RTTY.
    [ Hits: 341 | Votes: 3 | Rating: 9.67 ]
Manufacturers : Interfaces
  • microHAM - Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others
    [ Hits: 1826 | Votes: 2 | Rating: 10.00 ]
Manufacturers : Towers and Accessories
  • Tashjian Towers - Towers by Tashjian, Engineering, Design and Manufacturing
    [ Hits: 1423 | Votes: 4 | Rating: 7.00 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • The ROSE 80 CW Transceiver - Build a 5 watt, 80 meter QRP CW Transceiver Designed by N1HFX
    [ Hits: 2694 | Votes: 2 | Rating: 5.50 ]
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