Geodetic Positioning 2 quiz 5 practice

1.

1 point

the following are reference networks in the Usa

CORS continuously operating reference stations

DGPS by the USA coast guard

Nationwide DGPS by the USA Coast Guard

CACS

2.

1 point

NDGPS (Nationalwide DGPS)has 3 current partners US coast guard ,DOt, and US army corps of engineers

True

False

3.

1 point

Traditional Reference Networks contain how many passive stations

over 210000

about 10000

about 1700

under 200000

4.

1 point

In Canada there is several reference station networks they are select the appropriate answers. hint one of these are wrong!

CACS Canadian Active Control system

CBN Canada Base Network

CCG DGPS

CDGPS

NADGPS

5.

1 point

CSRS Passive networks include

CBN

Canadain Gravity standardization network (CGSN)

Traditional reference network

northern horizontal network 2-d only

international absolute gravity base stations network (IAGBN)

6.

1 point

CBNs coordinates are

Nad83CSRS 02 epoch march 1998

Nad83CSRS 98 epoch march 2002

NAd27CSRS 31 epoch december 1941

7.

1 point

CBN's have ____ amount of stations

155

21000

1700

8.

1 point

CORS has the following charactoristics

Maintained by NGS (National Geodetic Survey) an office out of NOAA (NAtional Oceanic and Atmospheric Administration.

has 1800 GNSS stations working as of nov 2011

current coordinates are in NAD83(2011)epoch2010 formerly NAD83 epoch 2002

Data is free to the public

another sever is offered from cors called OPUS

9.

1 point

COnsider the following to determine if this is true or false
BC ACS is equipped with a duel frequency GNSS reciever.

It has 2 regional networks MV and CRD, provide post process GNSS data and RTK data.

RTK service BC ACS can be pruchased as needed while the post processed data can be purchase by an hourly basis.

True

False

10.

1 point

________ is the most common form of GNSS network in Canada

CDGPS

CACS

CBN

11.

1 point

CSRS provides the following active network services
CACS
Precise ephermis in SP3 format
Clock corrections
and Single LAyer ionospheric model (SLIM for short)

True

False

12.

1 point

which is not true about Canadian coast guard DGPS service

is only available for explicit use to the coast guard

its free to the public

only meter accuracy

its primary goal is to provide coverage to coastal areas, major canadian waterways, and vessel traffic in zones or ports.

13.

1 point

GSD (geodetic survey division) from NRCAN provides 2 types of CSRS networks they are

CSRS base networks and satellite networks

CSRS Active Networks and Passive networks

CSRS constellation networks and epoch

14.

1 point

True or false CBN is an active CSRS station while CACS is a passive CSRS station

True

False

15.

1 point

the US Coast Gurad provides 2 dgps services they are

coast guard maritime differential gps for coastal coverage in the states and NGPS

16.

1 point

BC ACS is different from regular CACS by:

BC ACS not being free to the public

2 of the stations provide real time services in a regional network enviroment.

BC ACS is free CACS is not

BC ACS has 1700 stations while CACS has 2000 stations