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radiation pattern
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about radiation pattern on dxzone.com
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Antennas : 15M
- The extended double zepp
- This wire antenna exhibits extraordinarily high gain in a bi directional radiation pattern.
[Hits: 11085 | Votes: 27 | Rate: 8.04] Antennas : 20M
- 20m delta loop
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- This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern
[Hits: 49576 | Votes: 36 | Rate: 6.08] Antennas : Collinear
- The Simple Collinear
- Wherever there is a need for a vertically polarized omni-directional antenna with gain, a collinear is used. The vertically polarized collinear takes the form of two or more half waves in-line and in-phase, resulting in an omni-directional pattern with maximum radiation near the horizon.
[Hits: 6994 | Votes: 8 | Rate: 7.75] Antennas : Dipole
- Dipole Antenna Radiation Patterns
- Much confusion exists about the radiation patterns of antennas. In particular, the horizontal
dipole is misunderstood by most who use it.
[Hits: 1563 | Votes: 5 | Rate: 4.40] Antennas : G5RV Antennas : Magnetic Loop
- Antentop: Loop Antennas
- Article on radiation patterns of small loops, equivalent circuits of loop antenna, small loops as receiving antennas, ferrite loops
[Hits: 1344 | Votes: 3 | Rate: 7.33] Antennas : Rhombic Antennas : Theory
- Antenna Height Theory
- Antenna mounting height, the higher the better? Learn how radiation pattern change, and decide if you need an higher or a lower angle for your dx needs.
[Hits: 1198 | Votes: 4 | Rate: 7.00] - Understanding Radiation Patterns
- Understanding and using antenna radiation patterns
[Hits: 300 | Votes: 0 | Rate: 0.00] - Antenna Measurements
- The electrical characteristics of an antenna that are of interest to obtain by direct measurement are the frequency at which the antenna is tuned, the gain and radiation pattern
[Hits: 580 | Votes: 3 | Rate: 4.00] - Radiation Characteristics
- Tailoring Patterns for HF Verticals
[Hits: 100 | Votes: 0 | Rate: 0.00] - Azimuth Radiation Patterns
- Below VHF the change in the radiation characteristics of an antenna will change considerably from frequency to frequency, making antenna selection more complicated.
[Hits: 489 | Votes: 1 | Rate: 10.00] - Basics of antennas
- The current, the voltage, the impedance, the bandwidth, the polarization, and how the earth influences the famous radiation pattern.
[Hits: 491 | Votes: 0 | Rate: 0.00] Antennas : VHF UHF
- DK7ZB 144 mhz Yagis
- High gain, good pattern and acceptable bandwidth. These aims can be realized with a radiation-resistance of 25-35Ohms, because the 28-Ohm-feedpoint is very simple to match.
[Hits: 1438 | Votes: 6 | Rate: 7.67] Software : Antenna analysis
- Antenna Visualization
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- UNIX Application developped at the University of Texas Department of the Computer Sciences, permit to display the radiation pattern and the current magnitude.
[Hits: 5314 | Votes: 17 | Rate: 6.12] - Yagi Designer
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- Program that produces antenna radiation patterns and graphs for SWR, forward gain, and F/B ratios
[Hits: 18682 | Votes: 42 | Rate: 6.63] - 4NEC2 antenna modeler
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- 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler.
Can be interfaced to HFwin32 propagation prediction software.
[Hits: 23253 | Votes: 107 | Rate: 7.55]
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