Antenna Array

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Antennas : 15M

Monster Quads - N6LF tells us about his monster two-element 40-meter quad, with bonus three elements on 20 and 15 meters.
[Hits: 4708 | Votes: 0 | Rate: 0.00]

Antennas : 160M

A Potpourri of 160-Meter Verticals - A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole
[Hits: 2921 | Votes: 0 | Rate: 0.00]
Single support gain antennas for 80-160 meters - On 80 and 160 meters an antenna with modest gain and good front-to-back (F/B) ratio, along with a steerable pattern, can be very effective for contesting.
[Hits: 2689 | Votes: 0 | Rate: 0.00]

Antennas : 2M

Four over Four for 144MHz - This article describes the 144MHz horizontally polarised antenna at VK1OD in November 2008. The antenna uses two identical four element arrays that were constructed around 1970
[Hits: 1211 | Votes: 0 | Rate: 0.00]

Antennas : 40M

W1ZY 40 meter moxon antenna - W1ZY's 40 Meter MOXON is the product of 9 months of experimentation. The final array is reversible and constructed from No. 12 insulated wire fed through two RF current baluns
[Hits: 1921 | Votes: 1 | Rate: 8.00]

Antennas : 80M

Using the half-square antenna for low bands - Can’t put up a really high horizontal antenna for 80-meter DXing? Maybe the vertically polarized Half-Square might be the antenna for you.
[Hits: 2173 | Votes: 3 | Rate: 6.33]

Antennas : Array

Hex Array - 80/40 Meter Vertical - This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.
[Hits: 5907 | Votes: 2 | Rate: 5.00]
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]
Directional arrays - About collinear array antennas
[Hits: 2933 | Votes: 0 | Rate: 0.00]
The 7-Hex Driven Vertical Array - The array consists of 7 vertical antennas arranged as 6 verticals in a hexagon shape plus 1 additional vertical in the center of the hexagon
[Hits: 1111 | Votes: 0 | Rate: 0.00]
Definition of Collinear antenna array - Wikipedia page about collinear antenna arrays
[Hits: 2712 | Votes: 4 | Rate: 2.75]
An 8x2 Element Array Antenna For 144 MHz - The Contesters Choice
[Hits: 1748 | Votes: 1 | Rate: 9.00]
The K7TJR Array 160m antenna - Anyone attempting to work DX on Top-Band 160 Meters, soon learns of the need for a good receiving antenna. This is a 160 meter 8 element receiving array.
[Hits: 1440 | Votes: 0 | Rate: 0.00]
Phased Array Discussions - Interesting discussion about phased array antennas
[Hits: 412 | Votes: 0 | Rate: 0.00]
A 2 Meter phased array antenna - Phased array Ground Planes antennas for 144 Mhz
[Hits: 2461 | Votes: 3 | Rate: 7.33]
Antenna Array basics - The Basics of Antenna Arrays By G.J.K. Moernaut and D. Orban PDF File
[Hits: 909 | Votes: 1 | Rate: 3.00]

Antennas : Baluns

Baluns on Log Perodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays. If we consider what the balun does we can see how the mistake occurs.
[Hits: 1226 | Votes: 1 | Rate: 10.00]

Antennas : Beverage

Echelon-Log Beverages - About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays
[Hits: 1381 | Votes: 1 | Rate: 10.00]

Antennas : Helical

The Quadix Antenna - The Quadix is a circularly polarized parasitic array, a hybrid between a helix and a quad or loop yagi
[Hits: 2960 | Votes: 1 | Rate: 1.00]

Antennas : Log Periodic

Log Periodic of Another Sort - A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range
[Hits: 3122 | Votes: 0 | Rate: 0.00]

Antennas : Quad

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 : Sloper

Optimizing half-wave sloper arrays for 160 meters - This article presents a 160-meter variation of this family of antennas and, more importantly, a discussion of the details of how to get such a beast working really well.
[Hits: 3328 | Votes: 2 | Rate: 7.00]

Manufacturers : Accessories

HiZ-Antennas - High impedance amplifiers for shortened vertical antennas, Array matched and Optimized 15dB Preamplifier
[Hits: 419 | Votes: 1 | Rate: 10.00]

Manufacturers : Antennas

wb4bcr Receive 4 Square Control Unit - Build a Receive 4 Square Array! Make your own 160 meter 4 square receive antenna.
[Hits: 454 | Votes: 1 | Rate: 1.00]

Operating Modes : Radio Direction Finding

A new method of radio direction finding Priority listing - A method of finding radio sources with antennas based on omni-directionality (the less directional the better coverage). Uses energy levels and some sophisticated math (encompassed in a free software download on the site) to find x,y,z coordinates of the fox relative to the center of your antenna array. Can be overlayed on a GPS map to help you locate in real-time.
[Hits: 1671 | Votes: 1 | Rate: 10.00]

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