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Antenna Gain
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Antennas : 160M Antennas : 2M
- ZR6KMD 2M Beam Antenna
- This design was adapted from an article in the ARRL Handbook and built with simplicity and
duplicity in mind. This antenna is a vast improvement over a standard dipole with a forward gain of around 8db with a front to back ratio of 10db.
[Hits: 1392 | Votes: 1 | Rate: 2.00] - Slim Jim 2m Vertical
- This VHF 145 MHz antenna is easy to build and with no radials. It shows equal gain of 5/8 lambda. It is light weight, you can hang it somewhere (on a tree may be) and work.
[Hits: 2035 | Votes: 0 | Rate: 0.00] - 3 elements VHF yagi antenna
- 3 elements VHF Yagi homebrew antenna designed with YAGIMAX 3. Maximum forward GAIN is about 8,17 DBi. This antenna offering an effective radiation power 4 times greater of the transceiver output by SV1BSX
[Hits: 5952 | Votes: 16 | Rate: 5.87] Antennas : 40M Antennas : 70cm
- Quadrafilar Helix antenna for 436 Mhz
- This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.
[Hits: 2430 | Votes: 1 | Rate: 8.00] Antennas : Array
- Bruce arrays for 80 and 160m
- Antennas with gain and bandwidth for 80 and 160 meters band. Simple wire antenna capable of considerable gain
[Hits: 6219 | Votes: 2 | Rate: 9.00] 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: 6620 | Votes: 7 | Rate: 7.72] - Omni-Gain Vertical Collinear Antenna
- This rugged antenna, an omnidirectional collinear, is capable of surviving harsh environments. It's a good choice for repeater installations and can be top, or side mounted to the tower by WA6SVT
[Hits: 6926 | Votes: 4 | Rate: 5.25] Antennas : Dipole
- Inverted Vee monoband antenna
- This project will enable you to build a monoband long wire inverted vee with 3/4 wave length sides that will have a bit of gain
[Hits: 1731 | Votes: 1 | Rate: 10.00] - Ribbon Dipole
- Ideal antenna for QRP work, as it has more gain over dipole.
[Hits: 1369 | Votes: 0 | Rate: 0.00] - T2FD, The Forgotten Antenna
- The terminated. tilted, folded dipole T2FD is a little known antenna that performs excellently. Compact in size compared to a half-wave dipole the T2FD provides signal gain, wide frequency coverage, and exceptionally low noise characteristics.
[Hits: 3918 | Votes: 3 | Rate: 8.33] Antennas : Helical
- 2.4 Ghz double quad antenna
- An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
[Hits: 1889 | Votes: 2 | Rate: 1.00] Antennas : Homebrewing Techniques
- Antenna Gain Comparison System
- This device goal is to optimize homebrew antenna for the V/UHF band. This tool, is based itself on the simultaneously comparison between two antenna, directly in dB. by IK0BDO
[Hits: 1675 | Votes: 8 | Rate: 5.75] Antennas : Loop Antennas : Quad
- The DK7ZB-Quadlong antenna
- New type of a Quad antenna, 6.4dBd gain
[Hits: 1353 | Votes: 5 | Rate: 9.80] - BiQuad Antenna for 144/440
- This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP
[Hits: 4718 | Votes: 5 | Rate: 8.00] Antennas : Rhombic Antennas : Satellite
- UHF Yagi for AO-40
- Based on DL6UW Yagi antenna's design-formula
The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length
[Hits: 1989 | Votes: 3 | Rate: 8.00] Antennas : Theory : Antenna Gain
- Antenna Gain on Trial
- Most people think it's a good thing to have and the more the better. However, this is not always true - and the amount of gain is often not what it appears to be. Assuming higher gain is what you need, how do you determine what will give the best performance?
[Hits: 645 | Votes: 1 | Rate: 10.00] - Corner reflector antenna
- Do you need a high gain antenna? Have you suffered on picking up interference from unwanted direction? You need a directional antenna but a 12 element Yagi will be too attractive!
[Hits: 1132 | Votes: 3 | Rate: 4.67] - Antenna Gain
- How much gain ? This article help you on understanding how read antenna gain values in order to evaluate antenna performance
[Hits: 3635 | Votes: 0 | Rate: 0.00] Antennas : WiFi
- A 2.4 Ghz High gain antenna
updated
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- Here is how to build a high gain antenna for 2.4 gHz wireless networks. Several hams are experimenting with these devices in an effort to build a network. It is sometimes referred to as Hinternet or HSMM.
[Hits: 50003 | Votes: 55 | Rate: 6.26] Contesting : QSO Party
- Colorado QSO Party
- After some years of absence the Colorado QSO Party (COQP) is going to happen again. Mark you calendar, tune up your rig and point your antenna toward the Central Rocky Mountains and get ready for a fun time.
[Hits: 196 | Votes: 1 | Rate: 10.00] Software : Antenna analysis
- Parabolic
- This program calculates geometry, gain, losses, efficiency, directivity pattern and other parameters of primary fed and offset parabolic antennas.
[Hits: 1908 | Votes: 6 | Rate: 5.83]
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