CBS Files

PORTLAND, Oregon Community GPS Base Station

Display all files available at USFS/BLM Portland CBS

Display all RINEX files available at USFS/BLM Portland CBS

STATION INFORMATION

• Latitude: 45 31' 12.297" North
• Longitude: 122 40' 22.927" West
• Horizontal Datum: WGS84
• Elevation: 37.21 meters above ellipsoid
• Receiver: 12 Channel TRIMBLE Maxwell chip receiver
• Tracking epoch (sec.): Position at 5 seconds; SYNC measure at 5 seconds
• The antenna survey monument located in reference to the Oregon HARN.
• Trimble Reference Station v 1.02 software

CONTACT INFORMATION

• Contact Person: Aaron Dick, Mobile GIS Lead
• Address: BLM Oregon/Washington State Office, 333 SW First Avenue, Portland, OR 97208
• Telephone: BLM: 503-808-6601
• E-Mail: aaron_dick@blm.gov

DATA ACCESS INFORMATION

• Data is available in receiver dependent Trimble .SSF format. RINEX is not supported at this time.
• File name: PYMMDDHH.EXE where P=Portland; Y=year; MM=month; DD=day; HH=hour in GPS time; .EXE files are compressed and self-extracting. File length is one hour.
• Data is kept 3 months before being removed from data storage.
• Operation is 24 hours, 7 days per week. File transfer is 5 minutes after the hour for all systems.
• This CBS is co-managed by the BLM and USFS.

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