abanana 发表于 2002-7-11 18:10

我想买个手持GPS，看看这个怎么样？

Display: Electroluminescent backlit, with light key
Display readings: Distance, bearing, heading, direction, steering, speed, time to go, elevation, XTE, time, satellite elevations, latitude/longitude, UTM, OSGB, Swiss, Swedish, Irish, Finnish
Map datum: 11--NAD27, WGS84, AUST84, EUROPE50, GRB36, IREL, KKJ, RT90, SAM69, Swiss, Tokyo
Graphic navigation screens: 3
Landmarks: 100
Routes/legs: 1 with 10 legs
Position coordinates: LAT/LON, UTM, OSGB, Finnish, Irish, Swedish, Swiss
Tracking AllView: Yes
Width: 2 inches
Height: 6.2 inches
Depth: 1.3 inches
Weight with batteries: 6.8 ounces
Operating temperature range: 32 to 122 degrees F
Case: Armored rubber with wraparound grips
Antenna: Quadrifilar
In the box: Wrist strap, manual
Optional accessories: Leather carrying case, canvas carrying case, swivel mounting bracket, power cable with cigarette-lighter adapter, instructional video, accessory value pack, GPS topo guide
Waterproof: Yes
Battery requirements: 2 AA alkaline batteries
Battery life: 24 hours

小龙·哈勃 发表于 2002-7-11 18:48

多少钱？

雨滴 发表于 2002-7-11 19:27

绿野上有关于gps不错的介绍

www.lvye.org

abanana 发表于 2002-7-11 21:31

谢谢

国内的价格似乎很贵！

小龙·哈勃 发表于 2002-7-11 22:02

好像几千

小龙·哈勃 发表于 2002-7-12 11:58

嗯？？？

oscar_zhu 发表于 2002-7-12 13:56

是不是卫星定位？

abanana 发表于 2002-7-12 16:43

全称是“全球卫星定位系统”

北京有买1000多的，还更贵的，但在美国，一般只需$150

小龙·哈勃 发表于 2002-7-12 19:32

呵呵，1000多~~~~```

frui 发表于 2002-7-12 22:35

$150和 1000多元差别不大嘛.

小龙·哈勃 发表于 2002-7-12 22:54

是啊，不过便宜总好些。

abanana 发表于 2002-7-13 18:43

这东西精度几十米。

这东西精度几十米。

小龙·哈勃 发表于 2002-7-13 18:50

足够用了。

oscar_zhu 发表于 2002-7-13 20:47

车，你们英文好，不翻译就算咯！shit

f0x 发表于 2002-7-14 10:38

真巧!!!!!

我刚托在美国的朋友帮买了!加上邮寄费用总费用应该在2000内!

Magellan
SporTrak Features
Powerful 12-parallel channel receiver, WAAS enabled.


500 waypoints, 20 reversible routes, 2000 trackpoints


Display: 2.3" x 1.3"; (160 X104 pixels)
Backlit Display and Keypad


9 easy-to-follow graphic navigation screens
9 user keys  


Best fish and game time calculator
Proximity alarms plus 3 others
Sun/moon calculator


Quadrifilar antenna


Basemap: City Locations as POIs, Worldwide


Downloadable Memory: 1 MB Built-in for DataSend POI  


Up to 14-hour battery life on 2 AA alkaline batteries


8 coordinate systems: Latitude/Longitude, UTM, MGRS, OSGB, Swedish,  Finnish, French and German


9 Languages: English, French, German, Swedish, Finnish, Spanish, Italian, Portuguese, Dutch


76 map datums, plus 1 user defined
 

RTCM 104 (in)/ NMEA0183 V1.5 & 2.1 (out), DGPS ready


Rugged, durable, and weatherproof (IEC-529 IPX7) – it floats!
Operating Temperature: 14 F to 140F/ -10C to 60C


Pocket Size, 5.6"h x 2.2"w x 1.3"d
Lightweight, only 6 oz


Accuracy:
  Horizontal: < 7 meters; w/ WAAS , 3 meters (95% 2DRMS)
  Vertical: 10 meters RMS
  Velocity: 0.1 knots RMS

小龙·哈勃 发表于 2002-7-14 12:27

Fexii的观点恐怕不太正确吧？

abanana 发表于 2002-7-14 17:48

是啊！

不过在有的地方用不了，点标少！

小龙·哈勃 发表于 2002-7-14 18:18

呵呵。

f0x 发表于 2002-7-14 20:22

惨了,过关时可能会有问题......

安徽无极 发表于 2002-7-15 21:39

GPS在天文方面有何用处？
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