a glimpse on site survey techniques（a glimpse techniques survey on site）.doc

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2017-01-19 发布于湖南
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a glimpse on site survey techniques（a glimpse techniques survey on site）.doc

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Site Survey Techniques Interference Countermeasures Site survey is the techniques to survey on the site condition to prepare the installation of the site for wireless link. One of the best-documented site survey procedure may the Waverider Site Survey Guide, WaveRider Document No. 9902VAR002 Dated 29 December 1998. Waverider is a Toronto Canada based company. Equipment To Perform Site Survey List of equipment used for site survey Spectrum Analyzer (3GHz) if any. It is a single piece of equipment that can help the job of the surveyor. Unfortunately, it may not be affordable for most of us in developing country. Teletronics cards and software have a pretty good 2.4 GHz spectrum analyzer built into them. The cards are around US$100, and with a pigtail can be attached to external antennas. Many commercial WISPs use this as their main site survey tool. Laptop with PCMCI WLAN card attach to it. It is the next best thing to spectrum analyzer. It is normally affordable for most of the installer in developing countries. Some of the tools for surveying the frequency are available on PC. WLAN Access Point that has a site survey option in the Access Point Client mode. It exists on some Access Point very useful for aiming the antenna etc. A collection of external antennas, omnidirectional and directional antennas, including pigtail and connectors. Strobe Light, Flashlight, Mirror, Binocular pr Telescope. Useful for evaluating Optical Line of Sight between potential sites. Measuring Tape, minimum 10m. Topographic map(s) 1:50,000 or better. In some countries, it may unfortunately be difficult find an accurate topographic map. For short distance links, it may not be necessary. Hand-held GPS unit, or compass. GPS is one of the most useful equipment to have during the site survey. Keep in mind that it requires sometime for GPS to get the maximum accuracy. Altimeter or elevation gauge, it may also be replace by some GPS, such as, GARMIN eTrex Vista. Safety hat. Ladder.