Dressler EWPA-5200LL Інформація про встановлення - Сторінка 4

Переглянути онлайн або завантажити pdf Інформація про встановлення для Антена Dressler EWPA-5200LL. Dressler EWPA-5200LL 8 сторінок.

Installation continued.... (new information)

The ARA-60 and the 100-HDX operate in the HF frequency range where height is far less important as

compared to the VHF and UHF models. The HF models should still be mounted as far as possible away

from metal structures and if possible dress the coax away from the antenna base at a 90 degree angle.

This will help to minimize the effects of the coax artificially increasing the effective length of the antenna.

Although more signal sounds interesting it generally causes the antenna to overload sooner in large cities

or other RF rich locations. Mounting the ARA 60 and 100 HDX low on the roof will help to accommodate

the right angle coax placement. Mounting at or near ground level is being reported to significantly reduce

man made noise levels and performance is still excellent due to most HF signals arriving at a relatively

high angle. Height is not as important for "skip" signals or ground waves at these frequencies.

All of the ARA products operate very well when mounted indoors, like in the attic or in a closet. This

ability is very useful for those who may have outside antenna mounting restrictions. If you mount indoors,

maintain at least 10 feet between the antenna and the receiver to minimize the possibility of the antenna

receiving any signals (local oscillator?) that may be emitted from the radio.

Mounting ARA Antennas -

Mounting hardware is provided with each ARA antenna. The brackets/clamps are designed for masts with

diameters of 28-50 mm, depending on the model. The ARA 60 should be located at the top of the

mounting mast and as far away from other metal structures like masts and towers. If the ARA must be

mounted along the side of a mast or tower, offset the mounting by at least 1 meter (3 feet) if possible.

Locating the antenna at a closer distance will degrade performance, but not to the extent of making the

antenna performance unsatisfactory. The ARA-2000 mounting brackets should be located at a distance of

no more than 25 mm (1 inch) between each other with the lower bracket located at the bottom end of the

antenna tube.

The ARA antennas are designed to withstand wind velocity up to 100 MPH. In order for the antenna to

survive such conditions, you must be sure that the mounting system design is capable of withstanding

similar stress. The ARA antennas and the EWPA-5200 preamplifier are protected against damage from

static discharge. Eternal antenna designs with the receiving elements at DC ground are recommended for

use in locations subject to high wind and low relative humidity or in areas subject to severe

thunderstorms.

If you would like to install a proper arrestor, please contact your local specialist to make sure that you

understand and can conform to regional code standards. Connecting the ARA antennas to Earth ground

does not improve the reception quality. To ground the ARA, connect an approved wire (braid) between

the metallic mast and the outer shell of the antenna coax connector. Use adjustable clamps to connect

the conductor to the mast and the outside shell of the antenna connector.

Connection -

After the ARA antenna has been mounted properly, please use the attached diagrams to connect the

power supply to the antenna and then to the radio.

Warning!

Be sure to connect the RSM-2000 properly. Reversing the connections of the

active antenna port and receiver output will apply +12 VDC to the receiver input.

This may cause damage to the receiver system.

roadband Power Technology

3945 North 900 West, Pleasant View, UT 84414-1055 Ph: 801.732.0924 Fx: 801.732.0891

Website: http://www.bptec.com