Yagi Antenna Mounting Height
Yagi uda antenna gain considerations.
Yagi antenna mounting height. Find the right antenna mount for your cellular or wifi antenna. All mounting a 40 meter antenna one half wavelength above the ground would place it at 69 feet. Number of elements in the yagi. Typically a reflector is the first element added in any yagi design as this gives the most.
Suits all yagi antennas with boom diameter between 20 52mm. A 160 meter dipole at that height is only one eighth wavelength above the ground. Can i use a yagi antenna on my rv. Yagi uda antennas consist of a single driven element connected to the transmitter or receiver with a transmission line and additional parasitic elements which are not connected to the transmitter or receiver.
A yagi uda antenna commonly known as a yagi antenna is a directional antenna consisting of multiple parallel elements in a line usually half wave dipoles made of metal rods. Of course terrain and surrounding buildings and landscape can greatly affect this number. Hams with these towers have reported up to 12 db dx gain e g on 21 mhz by lowering the antenna from its full 30m 98ft height to 20m 66ft height. Mounting yagi antennas is a relatively straight forward exercise clamp it on screw the connectors together and walk away.
Welded galvanised body and fasteners. Talk to a signal expert. Range in miles square root of height x 1 42 an antenna mounted at 30 feet should have a theoretical range of 7 78 miles. Wilson 3 way mount 901104 no reviews yet 14 99 read more.
Rsrf universal j mount antenna mount. 3 reviews 129 99 read more. These antennas will work just fine but will definitely exhibit fairly high angles of radiation. Angle meaning that an antenna must be placed high above the ground in terms of the wavelength of the radio wave being transmitted.
Bluewave mmk9 yagi antenna mount bluewave yagi antenna mount aluminum mfb for mounting a 1 5 16 diamater antenna to a 2 1 2 max diamater mast. This portion of your dx radiation can be partially or totally lost at maximum tower height. A height of 120 feet. Weboost 25 antenna mounting pole.
Since the yagi antenna is directional however you would have to re tune it at each new location. The most obvious factor that affects the yagi antenna gain is the number of elements in the antenna. Add to cart add to job add to favorites add to quick quote pctel mount bmatmc surface mount tnc. There are several features of the design of a yagi antenna that affect its gain.
Wilson yagi installation instructions pdf files 14dbi 800mhz yagi 806 939 mhz cellular antenna 301111 10dbi 800mhz yagi 800 900 mhz cellular antenna 301129 15dbi 1900mhz yagi 1800 1990 mhz pcs antenna. Note that the low radiation pattern of 4 5 element beams has about 14 15 db i erp dx gain. That is about as high as most of us will ever deploy an antenna. A beam type of antenna at a height of 70 feet or more will provide greatly superior performance over the same antenna at 35 feet all other factors being equal.
To calculate range for an antenna such as the kb9vbr j pole antenna you can use this simple equation to determine antenna s receiving range over a flat surface.