Cohoweb Data Explorer - Near-Earth Heliosphere Data - NSSDC - Goddard Space Flight Center
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Interface to produce listings with filtering

This page provides the ability to list (or create a file of) any selection of the Voyager1 parameters listed below, only for hours when these and/or other parameters satisfy user-specified numeric ranges. Click left boxes to select output parameters, and enter desired minimum and/or maximum value(s) in box(es) to the right of any desired "filtering" parameter(s).

Note: Voyager magnetometer data past 1989 must be used very carefully due to the very low magnetic field values being measured as compared to the pre-launch magnetometer accuracy requirements. Please click here for details.

*Select an activity

List data Create file

Click here to get time spans for individual parameters.
*Enter start and stop dates (Use yyyyddd or yyyymmdd)
    Start      Stop

* Select variable
Variable Name Format Min/Max values:
Low    High
Heliocentric Distance, AU F6.2   
HelioGraphic Inertial (HGI) Latitude, deg. F6.1   
HGI Longitude, deg. F6.1   
IMF B Field Magnitude (Scalar), nT F7.3   
IMF BR in RTN(Radial-Tangential-Normal), nT F7.3   
IMF BT, nT (RTN) F7.3   
IMF BN, nT (RTN) F7.3   
Proton Flow Speed, km/sec F6.1   
Proton Flow Elevation Angle/Latitude, (RTN), deg. F6.1   
Proton Flow Azimuth Angle/Longitude (RTN), deg. F6.1   
Proton Density, n/cc F8.5   
Proton Temperature, K F8.0   

SPDF > COHOWeb
If you have any questions/comments about COHOWEB system, contact:
Dr. Natalia Papitashvili,Mail Code 672, NASA/Goddard Space Flight Center, Greenbelt, MD 20771
NASA Official: Dr. Robert McGuire, Head of the Space Physics Data Facility