design

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Search Results for "design"

994 links - and 5 categories

Antennas : 2M
  • Stacked 7-Element-2m-Yagis - These yagis and groups were designed with YO7.23 from K6STI and checked with EZNEC from W7EL. With a gain of 14/17/20dBd they have a good relation between gain and mechanical problems.
    [ Hits: 3673 | Votes: 6 | Rating: 4.67 ]
  • A turnstile antenna for 2-meter ARDF  pop - Antenna design for use with hidden transmitters on international-rules ARDF events
    [ Hits: 16876 | Votes: 19 | Rating: 5.52 ]
Antennas : 6M
  • A 6m portable 4 element quad - This antenna is based on a design for a portable 2 element 6m Quad by VE7CA, which is featured in the 19th Edition of the ARRL Antenna Handbook
    [ Hits: 6306 | Votes: 21 | Rating: 8.35 ]
Antennas : Multiband
  • PAC-12 Antenna - mobile multiband  pop - Here's an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. He documented the design and construction plans for a portable antenna that can be built with relatively ordinary components
    [ Hits: 19736 | Votes: 15 | Rating: 8.13 ]
Antennas : Tuners
  • N4EKV.COM - Antenna Tuners - Homebrew balanced-L antenna tuner. Covers 160-10m. Designed specifically for balanced feedlines.
    [ Hits: 4514 | Votes: 2 | Rating: 10.00 ]
Antennas : Vertical
  • PAC-12 Vertical portable antenna - Build the PAC-12 Antenna a multi-band portable vertical designed by KA5DVS, here's an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. He's documented the design and construction plans for a portable antenna
    [ Hits: 10916 | Votes: 5 | Rating: 6.80 ]
Manufacturers : Filters
  • MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.
    [ Hits: 613 | Votes: 1 | Rating: 7.00 ]
Manufacturers : Microphones
  • Otto engineering - Otto engineering is comprised of two divisions otto controls and otto communications. otto controls designs and manufactures a full line of switches and grips used in heavy equipment, aerospace, marine, medical and other demanding applications. otto communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.
    [ Hits: 1004 | Votes: 2 | Rating: 7.50 ]
Manufacturers : Power Supply
  • Peter W. Dahl Co. - Custom transformers by Mr. Dahl has been designing specialty transformers and reactors for over 35 years, and has been a licensed Ham radio operator, K0BIT, since 1955.
    [ Hits: 428 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Speakers and Headsets
  • Starline Electronics - Full-size Professional Circumaural (closed type) Stereo Headphone Monitor designed for studio use, swl and amateur radio.
    [ Hits: 456 | Votes: 1 | Rating: 2.00 ]
Operating Modes : DSP
  • Q15X25 - Q15X25 is a packet modem with a KISS/AX.25 interface designed for HF transmission of AX.25 packets and TCP/IP using Automatic Repeat reQuest (ARQ) and forward error correction (FEC).
    [ Hits: 590 | Votes: 1 | Rating: 1.00 ]
Operating Modes : JT65
  • JT65 Protocol - JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.
    [ Hits: 1089 | Votes: 3 | Rating: 7.00 ]
Shopping and Services : QSL Printing
  • Qsl factory - qsl cards - Qsl card printer and designer offering truly original styles of quality single and double sided color qsl cards, both ready-made and custom.
    [ Hits: 1032 | Votes: 3 | Rating: 7.00 ]
Shopping and Services : Regional : USA
  • RadioLabs - Radio, Wireless and Beyond - Specialize in engineering, design and repair of all rf equipment. Dealer for two way radios, scanners, shortwave radios, wi-fi antennas, wifi amplifiers. Based in Fortuna, California.
    [ Hits: 662 | Votes: 5 | Rating: 5.80 ]
Shopping and Services : T-shirts
  • Ham Gear - Ham Radio T-Shirts, Caps, Mousepads, also vintage designs! Designs include logos from Amperex, Collins, Eico, Eimac, Gonset, Hallicrafters, Hammarlund, Heathkit, Johnson, Knight, Mars, National, Swan, Skywarn and others.
    [ Hits: 2561 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Amplifiers
  • Duncan's Amp Pages - This is an internet resource for those interested in guitar amplifiers, vacuum tubes, and design tools such as SPICE modelling.
    [ Hits: 816 | Votes: 5 | Rating: 6.80 ]
Technical Reference : HF Radios
  • QST signalink review - SL-1 - Designed to handle audio signal interfacing as well as transmit/receive switching Reviewed by Steve Ford, WB8IM
    [ Hits: 519 | Votes: 0 | Rating: 0.00 ]
Technical Reference : QRP Projects
  • The smk-1 on 20m - Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M
    [ Hits: 798 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Radio Frequency Interference : BPL
  • Are you ready for BPL - Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service
    [ Hits: 561 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Test Equipment
  • Rainbow Antenna Analyzer - A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
    [ Hits: 6208 | Votes: 6 | Rating: 6.33 ]
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