array

array

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• 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: 3649 | Votes: 0 | Rating: 0 ]

• 80 m 3/4 wave LLV - This is a vertically polarized Phased array. The left Vertical wire is 180 degrees out of phase
  [ Hits: 4903 | Votes: 3 | Rating: 7 ]
• 80/75 Meter 4-Square Array - This array has been in use since 1989. The SWR from 3.5 to 3.9 is below 1.5:1. The F/R of the array is 20dB average and with some signals even better.
  [ Hits: 2286 | Votes: 1 | Rating: 10 ]
• 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: 3210 | Votes: 3 | Rating: 6.33 ]

• The Impact of Current Distribution on Array Patterns - Technical Correspondence, QST, July 1990 - Why even "perfect" phased array element currents don't produce perfect patterns.
  [ Hits: 755 | Votes: 1 | Rating: 10 ]
• The simplest phased array feed system that works - How to calculate "phasing line" lengths that actually work.
  [ Hits: 2184 | Votes: 4 | Rating: 6.75 ]
• K5UA 40 meter Phased Array - The intent of this site to share information about the design of a 40 meter horizontal phased array antenna.
  [ Hits: 3415 | Votes: 5 | Rating: 7 ]
• Yagi for 80 and 40 meters - Design plan of an array of a two element yagis for 80m and a 3 element 40m antenna sharing a single 12 meters long boom by EA5DY
  [ Hits: 1735 | Votes: 4 | Rating: 6.5 ]
• 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: 7624 | Votes: 2 | Rating: 5 ]
• 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: 9007 | Votes: 3 | Rating: 9.33 ]

• 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: 1602 | Votes: 2 | Rating: 8.5 ]

• Echelon-Log Beverages - About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays. This article describes two phasing systems for Beverage antennas that improve directivity and cancel rearward signals. These systems use lossy elements and require minimal components to achieve broadband performance.
  [ Hits: 1860 | Votes: 1 | Rating: 10 ]

• A 5 band log periodic dipole array - Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage
  [ Hits: 10004 | Votes: 12 | Rating: 6.59 ]

• K4TR Antennas - K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns
  [ Hits: 4429 | Votes: 8 | Rating: 7.88 ]

• Kings Electronics - Manufacture a wide array of RF interconnect products for operation from 0 to 18 GHz, ranging in size from subminiature connectors to large, high voltage types
  [ Hits: 490 | Votes: 2 | Rating: 5.5 ]

• The One Man Tower - Complete tower system incorporates rotator mount, and lateral support collars. You never have to climb again - and forget the hassle of tilting over to work on large arrays. The "One Man Tower" is the strongest dmall footprint free standing self erecting tower in the world
  [ Hits: 6788 | Votes: 23 | Rating: 9.48 ]
• Rotating Tower Systems - Using our components you can build a rotating tower with greater capability than 3-4 static towers. A rotating tower allows common rotation of HF stacked arrays, VHF and UHF arrays, and antennas mounted at optimum heights. Component design also allows tower shunt loading and end support for wire antennas
  [ Hits: 1369 | Votes: 3 | Rating: 6.33 ]

• The Gallery of the EME Arrays. - A Collection of EME Reflector Antennas and YAGI Arrays.
  [ Hits: 552 | Votes: 0 | Rating: 0 ]

• APLT Communications - Italian ham radio dealer for Icom Array Solutions hyt mfj force12 heil-sound yaesu spiderbeam pkw ameritron acom palstar.
  [ Hits: 895 | Votes: 3 | Rating: 9.33 ]

• QRM and noise reduction - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
  [ Hits: 5086 | Votes: 6 | Rating: 7 ]

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