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Antennas : 15M
- HyGain LJ-153BA
- The HyGain LJ-153BA a monoband 3 element Yagi, designed for the 15 m band 21.00 - 21.45 MHz
[ Hits: 833 | Votes: 1 | Rating: 4 ]
- 6 element Yagi for 2 meter band
- A 144 MHz six element yagi beam antenna plan
[ Hits: 3205 | Votes: 25 | Rating: 6.28 ]
- 70Mhz 5 element yagi
- Pictures, design plan and description of a 5 element yagi antenna for the 4 meters band by 9A7PJT
[ Hits: 535 | Votes: 3 | Rating: 6.33 ]
- Quad Antennas for 50 MHz
- Article by G4AON about a 4 and 2 Element Quad Antennas for the 6m band
[ Hits: 900 | Votes: 3 | Rating: 5.33 ]
- 50 Mhz yagis
- Three Yagi antennas for the six meters band by 9A7PJT. Include a 4 element yagi, a custom design 4 element, and a 5 element yagi with antennas pictures and design.
[ Hits: 586 | Votes: 1 | Rating: 3 ]
- Cubical Quad Calculator
This quad antenna calculator let you determine the total length of each element and spacing among elements.
[ Hits: 995 | Votes: 19 | Rating: 7.11 ]
- Convert 40m 2-element to a Phased Drive Array
- This presentation details the work of converting a 40m 2-element reversible beam antenna into a phase-driven type of array
[ Hits: 874 | Votes: 1 | Rating: 2 ]
- 2 Elements Delta Loop for 14 MHz
- A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
[ Hits: 515 | Votes: 2 | Rating: 6.5 ]
- 20 thru 10 Meter Fan Dipole
- The 20 thru 10 meter dipole is constructed from stranded insulated wire available in most hardware stores.
The feedpoint uses an 8 inch long section of 2 inch diameter PVC pipe. A section of wire joins the elements at either side of the feedpoint to avoid the inductance of square knots used on lower frequencies.
[ Hits: 3091 | Votes: 14 | Rating: 5.96 ]
- Open Sleeve Elements
- The construction principles for open-sleeve elements in antennas
[ Hits: 589 | Votes: 1 | Rating: 7 ]
- Noise Figure Measurement using Standard Antennas
- Measuring noise fiugre on the W2IMU horn and the dual-dipole-feed
[ Hits: 353 | Votes: 2 | Rating: 2 ]
- VHF Log Periodic Antenna
- 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
[ Hits: 1237 | Votes: 7 | Rating: 5.86 ]
- Full wave loop antennas
- Measurements for building a full wave loop using wire
[ Hits: 1117 | Votes: 1 | Rating: 3 ]
- Dual Band Satellite Yagi
- The antenna is a VHF side is a 2m moxon, tuned on 145.825 MHz. The driven element of the moxon couples to a driven element for a 5 element 70cms Yagi, tuned on 436.5 MHz.
[ Hits: 1195 | Votes: 2 | Rating: 8.5 ]
- Measuring 2.4 GHz Helix Antennas
- It is not very difficult to design and make a helix antenna for a specific frequency and gain. It is more difficult for the serious experimenter to make precise measurements of the finished antenna.
[ Hits: 729 | Votes: 5 | Rating: 9.2 ]
- Beta Match - Hairpin, Stub affecting the element
- The efficiency of Beta matched elements in antennas by K3BU
[ Hits: 1252 | Votes: 4 | Rating: 4.5 ]
- Two Element Phased Verticals
- Two 40 meter phased vertical antennas, project, pictures and description by W4NFR
[ Hits: 1147 | Votes: 2 | Rating: 6 ]
- Tri-band Wire Yagi Antenna
- A compact wire Tri-band Yagi for 10 15 20 meters with 2 active elements each band
[ Hits: 774 | Votes: 2 | Rating: 4.5 ]
- HexBeam vs SpiderBeam
- In these slides, differences between spiderbeam antenna and hexbeam antennas are explained comparing performances and measurements.
[ Hits: 2015 | Votes: 4 | Rating: 7 ]
- WiFi SWR meter
- An home made SWR meter for 2.4 GHz.
A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.
[ Hits: 1671 | Votes: 10 | Rating: 4.9 ]
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