what is gps repeater?
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The repeater is just a box that has a built in bias tee to enable DC to pass up the RF cable to the active antenna. This gain overcomes long runs in Rf cable loss from the active antenna to the gps receiver, or the coupling loss of the distributed antenna
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Satellites. For cell phones, a radio signal is sent to a tower and then to a satellite and back down and to the other phone. For GPS, a signal is sent directly and so the user's location is more exact. For remote controls, the remote sends a signal to the object through the thing on the top and that is received by the sensor on the object.
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When people talk about "a GPS," they usually mean a GPS receiver. The Global Positioning System (GPS) is actually a constellation of 27 Earth-orbiting satellites (24 in operation and three extras in case one fails). The U.S. military developed and implemented this satellite network as a military navigation system, but soon opened it up to everybody else. \n\nA GPS receiver's job is to locate four or more of these satellites, figure out the distance to each, and use this information to deduce its own location. This operation is based on a simple mathematical principle called trilateration.\n\nUse the link below for further explanation:
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The 24 (or so, or is it 26, anyway...) GPS satellites orbit the earth in such a manner that at any given time a GPS receiver will receive a signal from at least two of them.  By means of triangulation using distance measurements gained from radio wave emissions [measure the time it takes for the transmission traveling at light speed to get from receiver to satellite and back], the GPS user can determine their position on the planet.  Military GPS are much more accurate than civilian versions.  Also, the timing involved has to take into account Einstein's special theory of relativity since time dilation occurs due to motion and distance from a gravity well.  In other words, a clock in the receiver will actually measure a second differently than the clock in one of the satellites.  So, computers onboard both compensate and perform the necessary calculations to give the GPS user the right coordinates.
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Ida know...  My GPS doesn't always take the right route...
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Microsoft Streets and Trips offers a version with a small sized GPS that can be used as a GPS system on a notebook.  There are other portable GPSes that can also be used in conjunction with Streets and Trips (or other mapping softwares) to give full GPS capabilities on the notebook.\n\nNote: GPS receivers need line of site to the satellites.  So, you will need to be near a large window or, better, outside for the GPS to work effectively.
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Two solutions.\n\n(1) Use an ADSL line repeater.  See the DSL notes below page 2-41 on mid-span repeaters to extend DSL to 30,000 feet (9100m).  As mentioned, many service providers do not like to install these since they require a trunk roll.\n\n(2) Ask for ITU-T G.992.3 Annex L (for long) ADSL2-RE (Reach Extended) supports DSL to about 28,000 feet.  The Annex L is needed in the central office (DSALM) and the customer side (CPE).  Annex L is a 2002 standard and is now widely deployed and is most likely being used by your service provider.  See the charts.  Over 18,000 feet the data rates are falling quickly.
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More commonly incar navigation systems using geo. info. sys. such as OnStar. etc.
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Check out http://www.mikrotik.com/ they have some nice outdoor access points and also some with two wireless cards so you can do repeating also.\n\nFor the clients I would suggest http://www.tranzeo.com\nThey have some kick but wireless radios.\nI have personally used the TR-CPQ-19f for site surveys and they work really well.
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Remote Operated Vehicle
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Global Positioning System\nI  INTRODUCTION \n\nGlobal Positioning System (GPS), space-based radio-navigation system (see Navigation), consisting of 24 satellites and ground support. GPS provides users with accurate information about their position and velocity, as well as the time, anywhere in the world and in all weather conditions.\n\nII  HISTORY AND DEVELOPMENT \n\nGPS, formally known as the Navstar Global Positioning System, was initiated in 1973 to reduce the proliferation of navigation aids. GPS is operated and maintained by the United States Department of Defense. By creating a system that overcame the limitations of many existing navigation systems, GPS became attractive to a broad spectrum of users. GPS has been successful in classical navigation applications, and because its capabilities are accessible using small, inexpensive equipment, GPS has also been used in many new applications.\n\nIII  HOW GPS WORKS \n\nGPS determines location by computing the difference between the time that a signal is sent and the time it is received. GPS satellites carry atomic clocks that provide extremely accurate time (see Clocks and Watches: Atomic Clocks). The time information is placed in the codes broadcast by the satellite so that a receiver can continuously determine the time the signal was broadcast. The signal contains data that a receiver uses to compute the locations of the satellites and to make other adjustments needed for accurate positioning. The receiver uses the time difference between the time of signal reception and the broadcast time to compute the distance, or range, from the receiver to the satellite. The receiver must account for propagation delays, or decreases in the signal's speed caused by the ionosphere and the troposphere. With information about the ranges to three satellites and the location of the satellite when the signal was sent, the receiver can compute its own three-dimensional position.\n\nAn atomic clock synchronized to GPS is required in order to compute ranges from these three signals. However, by taking a measurement from a fourth satellite, the receiver avoids the need for an atomic clock. Thus, the receiver uses four satellites to compute latitude, longitude, altitude, and time.\n\nIV  THE PARTS OF GPS \n\nGPS comprises three segments: the space, control, and user segments. The space segment includes the satellites and the Delta rockets that launch the satellites from Cape Canaveral, in Florida. GPS satellites fly in circular orbits at an altitude of 20,100 km (12,500 mi) and with a period of 12 hours. The orbits are tilted to the earth's equator by 55 degrees to ensure coverage of polar regions. Powered by solar cells, the satellites continuously orient themselves to point their solar panels toward the sun and their antennas toward the earth. Each satellite contains four atomic clocks.\n\nThe control segment includes the master control station at Falcon Air Force Base in Colorado Springs, Colorado, and monitor stations at Falcon Air Force Base and on Hawaii, Ascension Island in the Atlantic Ocean, Diego Garcia Atoll in the Indian Ocean, and Kwajalein Island in the South Pacific Ocean. These stations monitor the GPS satellites. The control segment uses measurements collected by the monitor stations to predict the behavior of each satellite's orbit and clock. The prediction data is uplinked, or transmitted, to the satellites for transmission to the users. The control segment also ensures that the GPS satellite orbits and clocks remain within acceptable limits.\n\nThe user segment includes the equipment of the military personnel and civilians who receive GPS signals. Military GPS user equipment has been integrated into fighters, bombers, tankers, helicopters, ships, submarines, tanks, jeeps, and soldiers' equipment. In addition to basic navigation activities, military applications of GPS include target designation, close air support, “smart” weapons, and rendezvous.\n\nWith mo
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hey chiffres ;)\n\nI looked up WEXT and got heaps of results for a new form of SMS for GPRS.  \n\nI  have included the link for you.\n\nHope it helps !!
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Hello samir, first of all welcome to the Yahoo Answers family. Keep asking questions, and answering to questions by others.\n\nWhen you first broadcast a wireless signal it is very strong. As it continues to travel away from its source, the signal strength begins to degrade. The farther the signal travels, the weaker it becomes — until finally it loses its integrity. This is known as attenuation.\n\nA wireless repeater picks up the weak signal, regenerates it and then rebroadcasts it, thus extending the range of your network. This regeneration makes the signal stronger, making it possible to overcome some of the interference you might be encountering. \n\nThis way you can use the signal from a much larger distance than before.\n\nYou are right, you would infact be able to steal the signal from your neighbouring wireless zones by doing this. This is one of the major aspect of threat in network security. To counter this, most people encrypt the data sent by from their hotspot. You would hence need a encryption key to access it, which you cannot do unless you are a legal authorized user. You can do the analysis of the wireless waves for intrusion detection using AirSnare (http://home.comcast.net/~jay.deboer/airsnare/)\n\nYou can look at the source for more information in this field ( The first source mentions 10 tips to improve your wireless comunication)
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adserver seems to be a part of GatorGAIN. Check the link below for information and removal program for GatorGAIN.\n\nhttp://www.spywareremove.com/removeGatorGAIN.html
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Global Positioning Satellite: A space base radio position, navigation and time transfer system continuing to be developed by the US Department of Defense. When fully deployed, the system is intended to provide highly accurate position and velocity information and precise time, on a continual basis, to an unlimited number of properly equipped subscribers. The system will be unaffected by weather and will provide a worldwide common grid reference system. ...
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The terms replication and remote mirroring are frequently used interchangeably because their meanings are very similar. Replication is the process of duplicating primary data volumes over an IP connection to a storage subsystem at an alternate location. This redundant copy can then be used by business applications if access to the primary data is interrupted. The source and target of a replication are usually separated by a significant distance to safeguard data from disasters that effect a specific geographic location, such as a region-wide power outage.\n\nReplication techniques have two principle modes: asynchronous and synchronous. With asynchronous replication, the primary and secondary data volumes are no more than a few milliseconds out of sync, so the replication is nearly real-time. With synchronous replication, the primary and secondary copies are always identical, so it provides a true real-time duplication. (See Replication.)\n\nLike replication, remote mirroring uses redundancy to guarantee data availability. A remote mirrored data volume consists of two identical copies of the data connected by Fibre Channel. Both sides of a mirror process read and write I/Os to ensure each copy is a real-time duplicate of the other. The mirror copies are housed in separate data centers, connected over a local- or metro-area network (LAN or MAN). If a disaster interrupts access to one side of a mirror, the surviving copy will continue to service application I/O requests and therefore minimize the disruption to business users. \n\n...verbatim from veritas.com website
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Yes. You can buy a better wifi card. A repeater would work too. What that person meant was there is hardware equimpent you can buy that you hook up, similar to a router. It will allow you to strengthen the signal that is recieved and then 'repeat' it. This will in effect strengthen the signal around the repeater. However, this soulution has its limitations. Your best bet is to buy a better wifi card for the laptop. If that doesnt work. I would ALSO buy a repeater to help things. You would for sure have a better connection then.