??????????ProMark2???????????Ashtech???????????????????GPS?????????????С??????????????????????????????????
????????
1?? ?????????5mm??1ppm??D??????????????????????????????????
2?? ????8M??棬??洢72С?????????
3?? ???????????????????????????α?????????????????????????????0.64???
4?? ???????????????ε??????????????????????????????
5?? GIS??????????????????????????????????????
6?? ?????????????????????????????????????????Ч?????????????????λ????????????????????????????????????????????
GPS???????
10?????ж?????GPS??????
L1C/A?????????????
???????
?????????
????0.005m??1ppm??D
?????0.010m??2ppm??D
??λ??<1??
??????20??60????????????????????
?????????
????0.012m??2.5ppm
?????0.015m??2.5ppm
??????????5????
??????
????????10??
?洢????8M??棬???72С?????
????????
????2??5????
???????8С?
???????
???????56mm??34mm
?????12??
????1??RS232???
???????
??????
?? ?? ????0.14Kg
????????0.45Kg
??磺
???????158mm??51mm??33mm
????????190mm??96mm
????????
???????
????????-10????+60??
?洢????-20????+70??
?????MIL-STD 810E???????????
???????1.5m???????????
???ProAntenna?????
????????-55????+85??
???????????????
???????2m???????????