Vhf 1 4 Wave Mobile Antenna

Tuned to vhf air band.

Vhf 1 4 wave mobile antenna. The antenna farm. The gain of a 5 8th wave over a 1 4 wl antenna at 2 degrees is now 2 19 db but the peak gain of the 5 8th wave is only 01db different than the peak gain of a 1 4 wave antenna. This calculator can be used to design a quarter wave ground plane antenna with radials. The 1 4 wave is a good alternative for people needing something shorter than the 5 8 wave mobile antenna or an antenna for lower bands where the size of a 5 8 wave is prohibitive.

There are usually four radials three being a minimum but you could use up to six. The 1 2 wave figure 2 elevation and azimuth patterns showing the comparison between the full and mid sized cars for the three most popular vhf mobile antennas. 1 4 wave whip had the highest high angle radiation component. The radiating element is a quarter wave λ 4 and the radials are 12 longer.

Quarter wave vhf antennas vhf uhf mobile radios radio accessories vhf uhf hand held radios antennas mobile antenna mounts swr power meters adapters coaxial cable two way accessories antenna accessories dc power supplies coax cable accessories connectors aviation radios repeater systems towers accessories duplexers diplexers triplexers vhf uhf base stations base. At 2 degrees takeoff the 1 4 wl antenna over good soil with perfectly flat terrain has 6 75 dbi gain. Gold plunger contact pin and o ring gasket. 2db and 3 5db gain antennas hae6010 hae6013 uhf 2db and 3 5db gain antennas designed for apx mobile radios.

Ahh the good old quarter wave ground plane. All black 3 5 8 nmo magnet mount with 17 of rg58u cable copper 95 braid and solid insulation. Each antenna is tuned to the vhf air band from 118 to 137 mhz. The 1 4 wave is a good alternative for people needing something shorter than the 5 8 wave mobile antenna or an antenna for lower bands where the size of.

1 4 wave vhf roof mount antennas intended for customers who do not plan to use the gps capability of the radio. Black copper clad stainless steel whip black coated brass base. Antenna kit for motorola mobile and base radios.