Monday, September 19, 2011

PM shocked - if your broker, you need the 'Fix It!


!9# PM shocked - if your broker, you need the 'Fix It!

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Over the years, thousands of wireless towers around the United States to the nearby AM stations are out of tune. They were annoyed that the rules of the Federal Communications Commission, mobile operators and other tower users protect AM stations require antenna pattern.

FCC rules require the same "continuous service" of these AM systems. This is not to make a violation of FCC regulations.

Unfortunately, many workers losing line of towersPart of the rules, and upset many AM systems are in a pitiful state. This not only violates FCC regulations, but also endangers the AM station works, and can even lead to civil liability!

Engineers are particularly expert in wireless cellular systems, but in engineering concepts are often not included in their training or experience. So it is easy to overlook shocked maintenance. AM detuning systems are completely passive, not to confuse the trappings, and its failure inany way the operator of the mobile industry. The systems are just some of the many cables and wires on a tower.

When the system is installed PM upset, is a "set and forget" method. Undisturbed, this initial attitude is probably good for many years. Unfortunately, this happy state is rarely achieved on a telecommunications tower.

PM upset a system consisting of a wire cage on a tower, often on top, and a box made of components for the system to resonanceAM frequency. Although seemingly simple, the devil is in the details, and almost any disturbance of the configuration of the mechanical or electrical system can increase the effects of AM detuning.

A few years ago an LBA-engineer a study of over 100 cell sites and found that only 25% in the FCC regulations! Surprisingly, some pages were not installed correctly or the wrong components, and could never extinguish.

These systems fail AM upset? LBA is responsible forArrangement and reconstruction of the hundreds of these systems. Here are some of the most important ways of failure, our technicians are available at:

Lightning - often invisible on the outside, lightning fried components and insulators break in the mood wardrobe. It 'also known to destroy the system on the tower standoff insulators. Wind - May interfere with or affect mood Cable displace other tower-mounted antennas and support for wireless detuning. Poor design - too many systems are the "cheapo"Diversity, often with light structure, not amenable to strict obligations degree of usefulness of the tower survived. Like the proverbial "One Horse Shay", these systems often fall apart after a few years. Tower Climber - not knowing their function is simply too tempting to disrupt the threads of the way by wrapping or clamping them to climb the tower to get a new aerial platform. Environmental - Often sellers have ignored the incompatible metals, leading toCorrosion on the terminals. Some boxes have used state of mind that are not resistant to the holding time, which means water and insect infestation. To allow only a qualified technician to set up the system of mind - Tweakers. If no qualified person to adjust the system to try, they can most often do not work there, but there is no physical evidence in their wake! Only qualified testing can then find the problem and make things right.

There is no period of control systems required for AM detuning in FCCRules. However, it is generally assumed that two years of control and calibration is appropriate, and LBA is true, of course, dass a special review would be appropriate if irregularities are found between the time that such a big change of the antenna tower or building is made, the severe ice or wind occurs or the site is destroyed.

We also recommend several good practices, provided that the disruption of the system for repair or replacement to minimize:

Page Warnings -Announced on the site as a melody, and ask that the problems will be discussed with the authorities or the system integrator detuning site. Slip entrepreneur - entrepreneur site should help prevent damage and disrupted the need for qualified suppliers to commit an upset to help, if changes are required to be informed. Robust construction - Only systems with a "degree of utility" built by a vendor proved to be installed. Smaller systems should be replaced at the earliest opportunity. Positionlog - each inspection, access control, mood changes for the system should be part of an organized activity carried out log with date, test results and approval.


PM shocked - if your broker, you need the 'Fix It!

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