am antenna1250 links - and 9 categories
Antennas : 40M : 40 meter Vertical Antennas
- A 40m Vertical
- This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0-7.2MHz) when only restricted space is available
[ Hits: 9973 | Votes: 5 | Rating: 2.8 ]
- Antenna Baluns: What they are
- Baluns what do they do, in a pdf file by W7EL
[ Hits: 11873 | Votes: 4 | Rating: 5 ]
- Longwire Antenna Balun Project
- Home brew a long wire balun
[ Hits: 17422 | Votes: 25 | Rating: 6.85 ]
- A 16 Turn S-Band Helix
- This design represents the smallest practical antenna for Oscar-13 mode-S. Perfect beacon reception at all times is possible, and acceptable SSB even at 43,000 km range.
[ Hits: 8757 | Votes: 4 | Rating: 7.5 ]
- 13 cm Helix Antenna
- Here is the design of a 2.4 GHz antenna that is ideal for amateur satellite communications. This antenna is easy to assemble because the design itself tolerates inaccuracies in the construction without really affecting performance.
[ Hits: 64588 | Votes: 76 | Rating: 5.83 ]
- A Modern Thermocouple Ammeter
- Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF
[ Hits: 2736 | Votes: 2 | Rating: 6 ]
- Optimizing Inductors
- While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.
[ Hits: 486 | Votes: 1 | Rating: 10 ]
- Biquad Antenna Construction
- This page details the construction of a biquad antenna. The biquad antenna is easy to build, and provides a reliable 11dBi gain, with a fairly wide beamwidth.
[ Hits: 9163 | Votes: 19 | Rating: 7.57 ]
- WLAN antenna 2.4 GHz Do-It-Yourself
- A simple homebrew outdoor antenna to 2.4 GHz band.
[ Hits: 137621 | Votes: 179 | Rating: 5.47 ]
- Simple double-quad Antenna
- 2.4 Ghz quad antenna
[ Hits: 43505 | Votes: 25 | Rating: 6.25 ]
- 2.4 Ghz double quad antenna
- An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
[ Hits: 27603 | Votes: 82 | Rating: 5.18 ]
- SardineCanAntenna - Seattle Wireless
- Sardine Can Antenna. is a BiQuad or Bi circle - wire length each side (8 x 1/4 waves ) 31 mm
[ Hits: 9945 | Votes: 13 | Rating: 4.61 ]
- 2.4GHz Cubic Quad Antenna
- The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 odd MHz. Our little project was to design one of these for use in the 2.4GHz range for 802.11 wireless LANs.
[ Hits: 36602 | Votes: 68 | Rating: 5.51 ]
- The KO6YD Screwdriver Antenna Memory
- The Screwdriver Antenna Memory (SAM) product is designed to enhance the mobile antenna commonly called the "Screw Driver". It replaces your current control unit and provides an automated memory feature that eliminates the visual coil tuning method commonly used.
[ Hits: 2803 | Votes: 1 | Rating: 10 ]
- Australian antenna manufacturer specialise in supplying amateurs with the best quality products. Amateur radio multiband Yagi antennas, balums, cb antennas, dipoles
[ Hits: 2158 | Votes: 9 | Rating: 7 ]
- CAL-AV Labs, Inc.
- Cal-av labs, inc. (formerly california avionics laboratories, inc.) manufactures electronic instruments and systems for research and industry. we specialize in radio communications and research/electronic test products. Amateur radio yagi antennas, rotary dipoles, baluns, morse keys.
[ Hits: 1976 | Votes: 0 | Rating: 0 ]
- Kiwa Electronics
- Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast. Our products include Filter Modules to improve receiver performance, a High Performance Medium Wave Air Core Loop Antenna for improved broadcast band reception, the Pocket Loop Antenna, the Earth Monitor, BCB Rejection Filter and Broadband and SW Preamps. We also offer numerous performance upgrades for popular receivers.
[ Hits: 2873 | Votes: 4 | Rating: 8.5 ]
- National RF, Inc.
- National rf provides consulting engineer services, and manufactures direction finding antennas, test equipment, communications receiving equipment and adjuncts, satellite antennas, voice amplification and audio equipment.
[ Hits: 702 | Votes: 0 | Rating: 0 ]
- DDS Data-Communicatie
- Dds data- communication Data and Tele-Communication Solutions: UMTS GSM GPRS Telemetry programmers Adeunis RF systems, antennas, radio transmission modules, oscilloscopes GPS and coax cables dealer in Holland
[ Hits: 918 | Votes: 0 | Rating: 0 ]
- Ham radio dealer based in germany offer RF power amplifiers, from Alpin and SPE, antennas, RFI suppression products and GSM GPRS products
[ Hits: 10695 | Votes: 6 | Rating: 7.5 ]
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