UHF radio for RTK broadcast is temporarily down.
Data via IP is still available.
GPS Continuously Operating Reference Station (CORS) MSOL
- A Trimmark 3 radio broadcasts RTK (CMR+) at 460.3750 MHz from Point Six at a baud rate of 9600, with index number 0.
- RTK CMR+ corrections are available via the ip address: 220.127.116.11:5017
RTCM 3.x corrections are available via the ip address: 18.104.22.168:5018
- CLICK THIS LINK FOR DATA FILES (from NGS Website)
STATION INFORMATION (NGS PID DE8232 & DN1840)
- Latitude of ARP: 46° 55' 45.83772" North
- Longitude of ARP: 114° 06' 31.84489" West
- Horizontal Datum: NAD83 (2011)
- Vertical Datum: NAVD88
- Height above Ellipsoid to L1 Antenna Phase Center (as per NGS): 3151.82 US Survey ft., 960.678 m
- Height above Ellipsoid to Antenna Base (as per NGS): 3151.61 US Survey ft., 960.612 m
- Orthometric Height of L1 Antenna Phase Center (by calculation): 3200.91 US Survey ft., 975.639 m
- Orthometric Height of Antenna Base (by differential levels): 3200.72 US Survey ft., 975.581m *
- Receiver: Trimble NetR5
- Antenna: Trimble Zephyr Geodetic 2 RoHS TRM 57971.00
- Mapping Data epochs: SYNC measurements = 1 second; Positions = 15 seconds
- Survey Data epochs: 15 seconds
- Mask = 0°
- Receiver operates 24 hours/day, 7 days/week
The orthometric height of the ARP was determined by 3-wire differential leveling to NGS benchmarks G 14 Reset and R 446, using a Zeiss Ni2 level, to be 975.587m on July 15, 2003.
*An orthometric height of the ARP was determined using first-order equipment and methods to be 975.581m. That level run will be submitted to NGS for publication.
For information about the antenna, go to the NGS site: ANTENNA
This station is part of the National CORS Network. For more information about this station, visit: MSOL
To download a PowerPoint presentation about establishing this CORS, given in Helena, 7-22-03, click: MSOL CORS
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