Gps Receiver
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 Trimble 5800 GPS 430 450MHz Radio Module Survey Receiver $495.00 Time Remaining: 28d 20h 7m Buy It Now for only: $495.00 |
 Trimble MS750 GPS Receiver $900.00 Time Remaining: 18h 49m |
 Trimble Beacon on a Belt BoB GPS DGPS Receiver 38508 00 $149.99 Time Remaining: 29d 20h 41m Buy It Now for only: $149.99 |
 TRIMBLE GEOEXPLORER GEOXT 2005 SERIES GPS HANDHELD RECEIVER GEO EXPLORER XT $1,999.99 Time Remaining: 1d 1h 3m Buy It Now for only: $1,999.99 |
 Leica System 1200 GX1230 GPS Survey System Receiver Setup $4,499.99 Time Remaining: 16d 23h 59m Buy It Now for only: $4,499.99 |
 3 Ashtech ProMark 2 GPS Receivers $2,026.00 (8 Bids) Time Remaining: 20h 11m |
 Leica GPS Receiver Model 667265 System 500 FREE WORLDWIDE SHIP GS50 $1,099.00 Time Remaining: 29d 21h 58m Buy It Now for only: $1,099.00 |
 Thales Ashtech Magellan Mobilemapper CE Handheld GPS Receiver w Arcpad 701 $495.00 Time Remaining: 11d 3h 14m Buy It Now for only: $495.00 |
 Thales ProMark3 Promark 3 GPS receiver antenna case 2 $2,250.00 Time Remaining: 9d 7h 7m Buy It Now for only: $2,250.00 |
 Trimble 5800 GPS receiver with TSC2 No Reserve $3,350.00 (23 Bids) Time Remaining: 1d 21h 47m |
 54344 Battery Charger for Trimble TSC1 Data Collector 5700 GPS Receiver Transmit $5.59 Time Remaining: 3d 16h 48m Buy It Now for only: $5.59 |
 Trimble NetRS Reference Station GPS Receiver System w Zephyr Geodetic Antenna $3,995.00 Time Remaining: 21d 3h 16m Buy It Now for only: $3,995.00 |
 Trimble 5800 5700 GPS 450 470MHz Survey Receiver Setup w Pac Crest PDL4535 $7,989.99 Time Remaining: 4d 1h 46m Buy It Now for only: $7,989.99 |
 Leica System 500 SR530 GPS Survey System Receiver SR 530 $999.99 Time Remaining: 17d 17h 7m Buy It Now for only: $999.99 |
 TRIMBLE R8 MODEL 1 GPS RECEIVER WITH RADIO MODULE $1,325.00 (7 Bids) Time Remaining: 3d 17h 55m |
 Trimble 4800 GPS Receiver w Internal Radio 450 460MHz 32119 55 $1,925.00 Time Remaining: 29d 23h 30m Buy It Now for only: $1,925.00 |
 Trimble Model 4000SSI GPS Receiver Part Number 24840 21 $399.00 Time Remaining: 7d 14h 35m Buy It Now for only: $399.00 |
 Trimble GPS 4000SE Receiver $399.00 Time Remaining: 8d 14h 50m Buy It Now for only: $399.00 |
 Trimble MS750 GPS Receiver $900.00 Time Remaining: 18h 58m |
 Leica GPS System 500 GS50 GIS Receiver RTB Antenna $2,949.99 Time Remaining: 21h 16m Buy It Now for only: $2,949.99 |
 Trimble Sprectra Precision Epoch 25 L1 L2 GPS Base Receiver $1,100.00 Time Remaining: 25d 2h 20m Buy It Now for only: $1,100.00 |
 NovAtel OEM3 RTK GPS Receiver L1 L2 $1,174.51 Time Remaining: 5d 22h 57m Buy It Now for only: $1,174.51 |
 Trimble R4 GPS L1 L2 RTK Survey Receiver 450 470 MHz Internal Radio R6 R7 R8 SPS $7,988.00 (1 Bid) Time Remaining: 23h 28m |
 Trimble MS750 GPS Base Station Receiver Setup with Zephyr Geodetic Antenna $2,695.00 Time Remaining: 15d 4h 16m Buy It Now for only: $2,695.00 |
 Trimble 5800 GPS L1 L2 RTK Rover Survey Receiver Base $4,849.99 Time Remaining: 22d 3h 17m Buy It Now for only: $4,849.99 |
 52030 Battery Charger for Trimble TSC1 Data Collector 5800 GPS Receiver Transmit $5.59 Time Remaining: 3d 18h 13m Buy It Now for only: $5.59 |
 Trimble JUP 7486 CIRAA BOB GPS Receiver GeoExplorer Beacon On a Belt 38508 00 $99.99 Time Remaining: 10d 21h 12m Buy It Now for only: $99.99 |
 Trimble MS750 GPS Receiver $900.00 (1 Bid) Time Remaining: 18h 54m |
 Leica RTB Module Differential Beacon Receiver for System 500 GPS receiver $94.99 Time Remaining: 22d 16h 49m Buy It Now for only: $94.99 |
 Trimble 4800 L1 L2 GPS Receiver 450 460 Mhz Radio $2,200.00 Time Remaining: 5d 20h 16m Buy It Now for only: $2,200.00 |
 Leica SR510 GPS Receiver System $4,500.00 Time Remaining: 4d 20h 10m Buy It Now for only: $4,500.00 |
 Trimble MS750 GPS Receiver $900.00 Time Remaining: 19h 1m |
 Leica System 500 GS50 GPS Survey System Receiver $649.99 Time Remaining: 17d 2h 55m Buy It Now for only: $649.99 |
 Leica Ant200 LG 675672 GPS Receivers antenna $29.99 Time Remaining: 9d 21h 13m Buy It Now for only: $29.99 |
 Trimble MS860 Dual Antenna GPS Receiver Kit ms 860 with extras $4,400.00 Time Remaining: 20d 22m Buy It Now for only: $4,400.00 |
 Trimble MS750 GPS Receiver $900.00 (1 Bid) Time Remaining: 19h 7m |
 Ashtech Promark 3 GPS receiver $1,750.00 Time Remaining: 22d 13h 33m Buy It Now for only: $1,750.00 |
 Pair Trimble MS980 Machine Control GPS Smart Antenna Receivers Qty 2 $5,295.00 Time Remaining: 1d 20h 35m Buy It Now for only: $5,295.00 |
 Magellan Meridian Platinum GPS Receiver $128.00 Time Remaining: 3d 1h 53m Buy It Now for only: $128.00 |
 Trimble Navigation 4000SE GPS Receiver $699.00 Time Remaining: 29d 1h 57m Buy It Now for only: $699.00 |
 Trimble 5700 GPS Receiver $4,500.00 Time Remaining: 4d 15h 14m Buy It Now for only: $9,000.00 |
 Topcon GPS Receiver PARTS GRS 1 Front Panel $29.99 Time Remaining: 9d 17m Buy It Now for only: $29.99 |
 29518 Battery Charger for Trimble TSC1 Data Collector 5700 GPS Receiver Transmit $5.59 Time Remaining: 3d 18h Buy It Now for only: $5.59 |
 52030 Battery Charger for Trimble MT1000 Data Collector GPS Receiver Transmitter $5.59 Time Remaining: 3d 17h 1m Buy It Now for only: $5.59 |
 Trimble GeoExplorer 3 GPS Pathfinder receiver GIS Data Collector Geo Explorer $1,750.00 Time Remaining: 1d 5h 27m |
 38403 Battery Charger for Trimble TSC1 Data Collector 5700 GPS Receiver Transmit $5.59 Time Remaining: 3d 16h 56m Buy It Now for only: $5.59 |
 GPS Receiver PGR1 $99.00 Time Remaining: 5d 17h 49m Buy It Now for only: $99.00 |
 NavTech GPS Serial Comm Cable for L1 L2 Receiver PN 60723063 $65.00 Time Remaining: 25d 17h 11m Buy It Now for only: $65.00 |
 Topcon GPS Receiver PARTS FC 2500 Front Panel $39.99 Time Remaining: 9d 18m Buy It Now for only: $39.99 |
 Trimble GPS Pathfinder ProXT Pro XT SubMeter Bluetooth and Serial Receiver $499.00 (1 Bid) Time Remaining: 2d 17h 51m |
 Sokkia GRX1 GPS Receiver for RTK w GSM glonass and internal radios $8,500.00 Time Remaining: 10d 14h 26m Buy It Now for only: $8,500.00 |
 46607 Battery Charger for Trimble TSC1 Data Collector 5700 GPS Receiver Transmit $5.59 Time Remaining: 3d 18h 6m Buy It Now for only: $5.59 |
 Trimble Recon Handheld Datalogger 69670 20 Field Computer w GPS Receiver Card $1,150.00 Time Remaining: 24d 16h 17m Buy It Now for only: $1,150.00 |
 LEICA SR530 GPS RECEIVER L1 L2 GPS500 WITH PACIFIC CREST RADIO SURVEYING $1,999.00 Time Remaining: 1d 23h 15m Buy It Now for only: $3,000.00 |
 Trimble 4000 RL SSi GPS Receiver Reference locator $999.99 Time Remaining: 16d 18h 42m Buy It Now for only: $999.99 |
 Trimble 4000 RS GPS Receiver Reference Surveyor L1 Ant $1,199.99 Time Remaining: 16d 19h 4m Buy It Now for only: $1,199.99 |
 Trimble 4000SE GPS Receiver $699.00 Time Remaining: 29d 1h 57m Buy It Now for only: $699.00 |
 NEW TRIMBLE GPS ANTENNA RECEIVER 55238 00 S5 4 98 $74.99 Time Remaining: 6d 4h 40m |
 New Battery for Trimble 5700 GPS Receiver Pentax EI D Li1 HP PhotoSmart 912 c912 $26.99 Time Remaining: 13d 19m Buy It Now for only: $26.99 |
 TOPCOM FC 200 Data Collector HiPer + Wireless Integrated GPS Receiver Syst $7,850.00 Time Remaining: 13d 12h 42m Buy It Now for only: $7,850.00 |
 Trimble 4000SE GPS Receiver with 12v Power Cord $599.00 Time Remaining: 8d 14h 29m Buy It Now for only: $599.00 |
 Topcon GP SX1 Geodetic GPS Receiver GP SX1 $399.99 Time Remaining: 21d 18h 37m Buy It Now for only: $399.99 |
 TRIMBLE R8 MODEL RTK Receiver GPS Sokkia Topcon Ashtech Z Xtreme $5.99 Time Remaining: 4d 8h 31m Buy It Now for only: $100,000.00 |
 Trimble GPS Pathfinder ProXT Pro XT SubMeter Receiver $1,395.00 Time Remaining: 27d 20h 2m Buy It Now for only: $1,395.00 |
 Magellan Z Xtreme Battery for Z XTREME GPS Receiver $299.95 Time Remaining: 21d 19h 49m Buy It Now for only: $299.95 |
 Sokkia Radian IS GPS RTK Receiver $3,000.00 Time Remaining: 22d 13h 31m Buy It Now for only: $3,000.00 |
 Battery for Trimble 5700 5800 GPS Transmitter Receiver Pentax EI D Li1 EI 2000 $25.64 Time Remaining: 5d 3h 41m Buy It Now for only: $28.23 |
 Trimble Caterpillar MS990C Smart GPS Antenna Receiver CAT $5,299.00 Time Remaining: 25d 23h 39m Buy It Now for only: $5,299.00 |
 GPS Pro XR PRO XRS Receiver Data Power Cable 30231 00 $80.00 Time Remaining: 16d 21h Buy It Now for only: $80.00 |
 BLUETOOTH module and REPAIR SERVICES for GPS receivers $150.00 Time Remaining: 23d 17h 27m Buy It Now for only: $150.00 |
 New Battery for Trimble 5700 GPS Receiver Pentax EI D Li1 HP PhotoSmart 912 c912 $25.64 Time Remaining: 6d 2h 41m Buy It Now for only: $28.23 |
 Sokkia Radian IS GPS RTK Receiver $3,850.00 Time Remaining: 11d 18h 37m Buy It Now for only: $3,850.00 |
 CHAMPION nV3 DUAL FREQ GNSS INTEGRATED GPS RECEIVER $9,995.00 Time Remaining: 11d 15h 21m Buy It Now for only: $9,995.00 |
 Champion GNSS GPS RTK Rover Receiver Kit $9,995.00 Time Remaining: 4d 19h 23m Buy It Now for only: $9,995.00 |
 Topcon Carbon Fiber Rover Rod for Hiper Pro Plus Lite GPS Receiver $229.99 Time Remaining: 12d 9h Buy It Now for only: $229.99 |
 CSI GPS ABX 3A AUTOMATIC BEACON RECEIVER MBL 3 ANTENNA MOUNT WIRES BACKPACK $49.99 (1 Bid) Time Remaining: 8d 16h 59m |
 2500mAh Ni MH Battery Topcon GPS Receiver BT 4 USA $44.95 Time Remaining: 3d 22h 42m Buy It Now for only: $44.95 |
 Topcon GP BT 4 GPS Receiver Battery NiMH 12V 2700mAh $70.00 Time Remaining: 16d 8h 31m Buy It Now for only: $70.00 |
 REPAIR ONLY on a SOKKIA Radian IS GPS Receiver $199.00 Time Remaining: 10d 16h 55m Buy It Now for only: $199.00 |
 GPS Ashtech GPS meter receiver and case controller cables backpack n antena $350.00 Time Remaining: 8d 1h 46m |
 RTS SATELITE DIFFERENCIAL RECEIVER MODULE GFU10 GPS $600.00 Time Remaining: 3d 19h 19m Buy It Now for only: $600.00 |
 Trimble SPS651 450 470MHz GNSS GLONASS MODULAR Rover or Base GPS RECEIVER RTK $7,999.99 Time Remaining: 19d 16h 42m Buy It Now for only: $7,999.99 |
 MAGELLAN DBR RECEIVER GPS $150.00 Time Remaining: 26d 6h 23m Buy It Now for only: $150.00 |
Gps Receiver
How GPS Receivers Work
It seems that almost everyone has heard of GPS (Global Positioning System) in one form or another. The most well known GPS device is the car navigation system that shows and tells the driver through voice commands how to get to their desired pre-programmed destination. But if you’re wondering how these little technological wonders work then you’ve come to the right place.
A GPS receiver is an electronic device that uses the Global Positioning System to determine its exact location on earth with pin-point accuracy. This system is made up of the three parts; 27 satellites that send out continuous positioning signals, ground stations around the world that help synchronize the satellites, and various types of GPS receivers.
In this article we’re going to concentrate on how a GPS receiver works within this system since it’s the piece of the GPS puzzle that keeps you from getting lost. Its main function is to calculate its position on the earth using the signals that it receives from the satellite system.
To do this the receiver needs to lock onto the signals of at least 3 satellites. Once 3 or more satellites have been detected it then needs to determine the distance between the satellites and the distance between itself and each satellite. It then uses the basic math principles of triangulation or trilateration to compute its location on the earth’s surface.
The signals a GPS receiver uses to figure its location are radio signals transmitted by the satellites. These radio signals have three bits of information embedded in them; ephemeris data, almanac data, and a pseudorandom code. Using this information the GPS unit is able to triangulate its position and report that back to its user.
Accuracy is another question many first time users wonder about. The good news is GPS receivers are very accurate with the ability to pin-point your location to within a radius of 20 meters. There are ways to increase accuracy through the use of DGPS (Differential GPS) and WAAS (Wide Are Augmentation System) which can get within 3 meters of accuracy. Units with these two features normally cost more but the increase in accuracy can be well worth the cost.
There are many factors that can and do affect how accurately a GPS unit reports its position. These include:
- The number of visible satellites
- Signal delays caused as they pass through the earths atmosphere
- Signals bouncing off of objects
- inaccurate clock in the GPS unit
- Ephemeris errors
- Satellites in poor positions
- Satellite signals that are blocked because of terrain or manmade features
GPS is a great technology that has found its way into many everyday applications. Depending on your needs for keeping track of where you are there is sure to be a GPS receiver that fits the bill.
About the Author
There is no better choice then Magellan GPS Systems when it comes to finding your way in the world. To learn more about Magellan GPS Systems please Click Here.
I'm running Copilot Truck GPS and want to buy another receiver to use on my laptop. Will any brand work?
I want to leave the one receiver that came with the program on the truck and have another GPS receiver to plug in to the computer on the car
No. But most of them will. Here are a couple of different solutions for you.
1. Get Microsoft Streets and Trips which comes with its own GPS receiver. It costs around $75 at Best Buy and other stores. That receiver will work with CPT 11, plus you will have a copy of Streets and Trips.
2. Get a Delorme LT-40 receiver from Best Buy, Radio shack, online, etc. It works with CPT 11 once you install the Delorme "Serial Port Emulator" program from Delorme's site.
3. Get a BU-353 from this site: http://www.buygpsnow.com/bu-353-353-bu-globalsat-gps-mouse-water-proof-receiver-sirf-stariii-usb-gps-water-bu-353-waas-455.aspx. ($37) It works quite well also.
There are others out there, but those 3 are the units that I have experience with.
50USD GPS RECEIVER.....MAKE YOUR PHONE GPS FRIENDLY!!!T32+ MY08+ S1+