This home page provides access to data set which includes the archived data from the Cylindrical Electrostatic Probe (CEP) experiment on the Explorer 22 satellite. It was launched on 1964-10-10 into an elliptical orbit (889 km - 1081 km) with an inclination of 79.7 degrees.
ASCII data set also contains needed spacecraft position data, IGRF model parameters, and indices.

Time Resolution:1-5 Minutes

This data set and its description placed at SPDFFTP's anonymous FTP site nssdc.gsfc.nasa.gov in directory https://spdf.gsfc.nasa.gov/pub/data/explorer/explorer22/plasma_cep/

Time span of the data set: 1964-10-10 to 1967-08-26

Please enter your selections and then click on the Submit button.

Select an activity
    Plot data List data Create file

Enter start and stop dates: year,month,day(YYYYMMDD)
   Start time    Stop time

Select variables

 Local Time
 Geodetic Latitude of the Spacecraft, Degrees
 Geodetic Longitude of the Spacecraft, Degrees
 Geomagnetic Latitude of the Spacecraft, Degrees
 Geomagnetic Longitude of the Spacecraft, Degrees
 Altitude,km
 Dip Latitude, Degrees
 Magnetic inclination (dip), Degrees
 B, Magnetic field strength, 1/100 Gauss 
 L, Invariant Latitude, Degrees, +/-90
 Quality Code for L value
 ZSUN, Solar Zenith Angle, Degrees, 0-180
 ap indices (daily) 
 kp indices (3 hour) 
 F10.7 (solar radio flux, daily)
 Sunspot number (daily)
 Orbit number
 Electron Temperature,K 
 Electron Density (cm-3)
 Satellite potential (mV)

---

Advanced plot selections (optional)

Max days/panel:(1-30)
Y-axis Scale: Linear Log10	Character size(0.5-2.0):
Plot Symbol: None Plus Asterisk Period Diamond Triangle Square X	Symbol Size(0.1-4.0):	Image size (pixels) X: Y:

NASA Official: Robert Candey (Robert.M.Candey@nasa.gov), Head of the Space Physics Data Facility