gain

gain

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• Portable 4-Element Quad for 2 meters - A portable 4 elements quad antenna for 144 MHz, 9 to 10 DBd forward gain, 30 DB front-to-back ratio, and 33 DB front-to-side ratio
  [ Hits: 2152 | Votes: 2 | Rating: 8 ]

• 40 Meter Bowtie Antenna - A bowtie antenna is a type of antenna that reputedly provides higher gain at lower radiation angles than a center-fed dipole antenna at heights considerably less than 1/2 wavelength above ground.
  [ Hits: 1423 | Votes: 4 | Rating: 7 ]

• Six elements for Six Meters - A Six-element Yagi Beam for 6 Meter by W1JR proiddes a power gain of 10.2 dB over a dipole it is built on a 24 foot long boom
  [ Hits: 467 | Votes: 2 | Rating: 6.5 ]

• 80m Vertical Loop - The configuration of this antenna is a triangle with apex in the top of a very tall tree. The antenna is fed at a bottom corner using 450 ohm ladder line.
  [ Hits: 785 | Votes: 1 | Rating: 8 ]

• DL-Special DX Antenna - 2 Delta Loops in Phase  ^updated - Two Delta-Loops in phase. The purpose of this article is to propose an antenna with a high gain, a high efficiency and a very low price that is easy to build for any frequency.
  [ Hits: 1076 | Votes: 5 | Rating: 7.8 ]

• 2m HT antenna shootout - G4ILO compares popular antennas for 2 metre band handhelds so as to see how much you lose using a small inconspicuous antenna or how much you gain by using a long antenna.
  [ Hits: 863 | Votes: 5 | Rating: 5.6 ]

• Morgain 80-160  ^updated - A dual band antenna designed to work on low bands and in this article on 80 and 160 meters band. Total lenght of this folded dipole is 37,60 meters. Includes some details for fine tuning on 160 meters. Article in italia
  [ Hits: 2191 | Votes: 13 | Rating: 6.84 ]

• A Multi-band HF loop antenna - The multi band HF loop antenna, a good performer on 80 and 40-10 meters. This excellent article covers all aspects of designing a resonant loop antenna, examining gain and radiation patterns, and describing practical notes on how to build this antenna.
  [ Hits: 11239 | Votes: 26 | Rating: 6.76 ]

• Super Gain NVIS antenna - A 40 meter NVIS beam antenna by W4NVK
  [ Hits: 1295 | Votes: 0 | Rating: 0 ]

• 2.4 GHz Quad Antenna - A 2,4 GHz 13cm band quadrible qiad antenna with reflector offering a 14dbd gain
  [ Hits: 2132 | Votes: 16 | Rating: 4.94 ]

• Slim JIM Antenna by DU1ANV - Build the Slim JIM Antenna, a unique VHF Antenna with gain over a J-Pole Jose I. Calderon, DU1ANV
  [ Hits: 843 | Votes: 6 | Rating: 4.5 ]

• Antenna directivity and gain - Antenna gain and directivity explained in this article at radio electronics antenna pages
  [ Hits: 515 | Votes: 2 | Rating: 6 ]
• Height & Gain on 40 Meters Wire Antennas - An comprehensive article on 40 meters antenna comparing vertical height to the resulting gain
  [ Hits: 783 | Votes: 2 | Rating: 6.5 ]

• Compact and effective 2m 70cm antenna - Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.
  [ Hits: 2577 | Votes: 1 | Rating: 10 ]

• Laptop Mini Wireless Antenna - A small antenna to improve signal reception of a laptop wireless card. This will boost the gain of your wi-fi card and will increase network speed and bandwidth.
  [ Hits: 1292 | Votes: 7 | Rating: 3.29 ]

• Valon Technology - Valon Technology designs and manufacturers low cost, reliable radio frequency products such as RF Synthesizer modules, RF Frequency Dividers and Phase Gain Detectors. Main markets are military/defense, test engineering, radio astronomy, research centers and universities
  [ Hits: 288 | Votes: 0 | Rating: 0 ]

• Hy-Gain TH3JRS vs. Cushcraft MA5B - QRZ forum threan on Cushcraft MA5B vs Hy-Gain TH3JRS
  [ Hits: 679 | Votes: 3 | Rating: 4 ]

• Rotator Control for HyGain HAM-IV - Hy-gain HAM-IV rotator control with Arduino by OK1BIL
  [ Hits: 1674 | Votes: 1 | Rating: 1 ]

• Amateur Radio - Microphone Preamp - Low signal, noise-high AC gain preamplifier
  [ Hits: 1009 | Votes: 0 | Rating: 0 ]

• Ban PLT - Ban Power Line Technology a website devoted to defend amaterur radio against power line communications devices interferences
  [ Hits: 206 | Votes: 1 | Rating: 10 ]

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