http://vtransmaps.vermont.gov/VOLGIS/map.htmVermont's Enhanced CORS and Transmission of http://vtransmaps.vermont.gov/VOLGIS/map.htm Real-time corrections (VECTOR)
http://vtransmaps.vermont.gov/VOLGIS/map.htmGeneral Information
http://vtransmaps.vermont.gov/VOLGIS/map.htmThe Geodetic Survey Section of the Vermont Agency of http://vtransmaps.vermont.gov/VOLGIS/map.htm Transportation maintains a network of Continuously Operating GNSS http://vtransmaps.vermont.gov/VOLGIS/map.htm (Global Navigation Satellite System) Reference Stations (CORS). http://vtransmaps.vermont.gov/VOLGIS/map.htm These stations are intended to operate 24 hours/day seven days/week.
http://vtransmaps.vermont.gov/VOLGIS/map.htm There are two separate components to VECTOR: Downloadable Data for http://vtransmaps.vermont.gov/VOLGIS/map.htm post-processing and Real-Time Corrections to support real-time http://vtransmaps.vermont.gov/VOLGIS/map.htm applications
Downloadable Data
http://vtransmaps.vermont.gov/VOLGIS/map.htmThe data from these stations are made freely available to users and
http://vtransmaps.vermont.gov/VOLGIS/map.htm are downloadable from this web site.
http://vtransmaps.vermont.gov/VOLGIS/map.htm These receivers collect data from both the GPS satellites and
http://vtransmaps.vermont.gov/VOLGIS/map.htm GLONASS satellites. Data files for these stations are
http://vtransmaps.vermont.gov/VOLGIS/map.htm available in Trimble's DAT format as well as in the Receiver
http://vtransmaps.vermont.gov/VOLGIS/map.htm INdependent EXchange Format (RINEX). Data for the CORS
http://vtransmaps.vermont.gov/VOLGIS/map.htm stations are stored in one-hour files and are collected at
http://vtransmaps.vermont.gov/VOLGIS/map.htm 1-second and 15-second epoch intervals.
Note on File Formats and Satellite http://vtransmaps.vermont.gov/VOLGIS/map.htm Observables
http://vtransmaps.vermont.gov/VOLGIS/map.htmThe Trimble DAT files do not contain GLONASS observations and are http://vtransmaps.vermont.gov/VOLGIS/map.htm compatible with the both older and newer Trimble software. The http://vtransmaps.vermont.gov/VOLGIS/map.htm RINEX files are written in RINEX version 2.1, and do contain GLONASS http://vtransmaps.vermont.gov/VOLGIS/map.htm observations. User's software should recognize the GLONASS http://vtransmaps.vermont.gov/VOLGIS/map.htm data and use it if GLONASS data was collected by the user. http://vtransmaps.vermont.gov/VOLGIS/map.htm Also, the users' software should ignore the GLONASS data in a RINEX http://vtransmaps.vermont.gov/VOLGIS/map.htm file if the software is not compatible with GLONASS observations.
File Naming
http://vtransmaps.vermont.gov/VOLGIS/map.htmThe dat file naming convention is as follows:
http://vtransmaps.vermont.gov/VOLGIS/map.htm
http://vtransmaps.vermont.gov/VOLGIS/map.htm {ssss}{ddd}{h}{t}; where ssss is the four character site identifier,
http://vtransmaps.vermont.gov/VOLGIS/map.htm "ddd" is the day of year, "h" is a letter which corresponds to an
http://vtransmaps.vermont.gov/VOLGIS/map.htm hour long UTC time and "t" is the file type. For hourly files,
http://vtransmaps.vermont.gov/VOLGIS/map.htm the format
http://vtransmaps.vermont.gov/VOLGIS/map.htm would be {ssss}{ddd}{h}.dat.
The RINEX file naming convention is as follows:
http://vtransmaps.vermont.gov/VOLGIS/map.htm
http://vtransmaps.vermont.gov/VOLGIS/map.htm {ssss}{ddd}{h}.{yy}{t}; where ssss is the four character site
http://vtransmaps.vermont.gov/VOLGIS/map.htm identifier, "ddd" is the day of year, "h" is a letter which
http://vtransmaps.vermont.gov/VOLGIS/map.htm corresponds to an hour long UTC time block, "yy" is the year and "t"
http://vtransmaps.vermont.gov/VOLGIS/map.htm is the file type. For hourly files, the format
http://vtransmaps.vermont.gov/VOLGIS/map.htm would be {ssss}{ddd}{h}.{yy}o.
http://vtransmaps.vermont.gov/VOLGIS/map.htm
Hour long UTC time block identifier (h):
http://vtransmaps.vermont.gov/VOLGIS/map.htm
http://vtransmaps.vermont.gov/VOLGIS/map.htm 00 01 02 03 04 05 06 07
http://vtransmaps.vermont.gov/VOLGIS/map.htm 08 09 10 11 12 13 14 15
http://vtransmaps.vermont.gov/VOLGIS/map.htm 16 17 18 19 20 21 22 23
a b c d
http://vtransmaps.vermont.gov/VOLGIS/map.htm e f g
http://vtransmaps.vermont.gov/VOLGIS/map.htm h i j
http://vtransmaps.vermont.gov/VOLGIS/map.htm k l m n
http://vtransmaps.vermont.gov/VOLGIS/map.htm o p q r
http://vtransmaps.vermont.gov/VOLGIS/map.htm s t u
http://vtransmaps.vermont.gov/VOLGIS/map.htm v w x
Data Storage Policy
http://vtransmaps.vermont.gov/VOLGIS/map.htmData files are currently available on line for at least http://vtransmaps.vermont.gov/VOLGIS/map.htm 45 days, after which they will be deleted. Data is not http://vtransmaps.vermont.gov/VOLGIS/map.htm archived prior to deletion and is therefore unrecoverable from this http://vtransmaps.vermont.gov/VOLGIS/map.htm site. Users are encouraged to download data as soon as practicable. http://vtransmaps.vermont.gov/VOLGIS/map.htm However, all data collected from the Vermont CORS that are part of http://vtransmaps.vermont.gov/VOLGIS/map.htm the National CORS Network are available from http://vtransmaps.vermont.gov/VOLGIS/map.htm the NGS CORS Page.
http://vtransmaps.vermont.gov/VOLGIS/map.htm