gov.noaa.ngdc.stp.ionosphere:G00566 eng; USA utf8 dataset 2015-09-18 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) Calculations of the Total Number of Electrons Along a Ray Path Extending from the Transmitter to the Receiver 1965-01-01 publication First DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce publisher DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce originator https://www.ngdc.noaa.gov/stp/iono/ionohome.html http Ionospheric Data Home page information Ionospheric Total Electron Content (TEC) is the total number of electrons in a column of unit cross section extending from the transmitter to the receiver. TEC is calculated from observations of the rotation of a polarized signal (faraday rotations) transmitted from the satellite. There are several specific techniques for obtaining TEC by using Faraday rotation. Estimates of accuracy for these data range from 2 percent to 30 percent, depending on the technique and the validity of assumptions for the particular observational conditions. These data consist of publications or computer printouts. Listed below are the available stations. The dates may not be inclusive. Ahmedabad 196411-196712 Bangkok 196411-196612 Delhi 196410-196612 (Explorer 22) Report 32 196410-196512 Report 33 196601-196612 Report 66 196506-196709 (Explorer 27) Lunping 197703-198312 (Some of these data are available in digital form.) Hamilton, Mass. 196801-196812 (Medians only.) Hamilton, Mass. 196711-197212 Hawaii 196409-197312 (only plots) Haifa (Israel) 198103-198303 Fort Monmouth 198302-198303 Florence(Italy) 196401-196606 Puerto Rico 197601-197603 San Jose 196412-196512 Dos Campos Slough 197511-197607 Tucuman 197606-197610 Urbana, Ill. 196712-197012 Val-Joyeux 196505-196712 (Solar times used. Area is from 40-52N and 7E-3W.) Transmitter/Receiver Path Research underDevelopment monthly EARTH SCIENCE > SOLAR PHYSICS > Solar Energetic Particles > Particle Density theme NASA/GCMD Earth Science Keywords Space Physics > Ionospheric Science Total Electron Content TEC Faraday Rotations theme Uncontrolled Keywords Global place NASA/GCMD Location Keywords While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. otherRestrictions Use Constraints: None otherRestrictions Access Constraints: No Constraints eng; USA geoscientificInformation -180.000000 180.000000 -90.000000 90.000000 1964-10-01 1983-12-31 ASCII None Ordering Instructions: Please contact ionosphere.ngdc@noaa.gov Custom Order Process: Contact data center for information https://www.ngdc.noaa.gov/stp/iono/ionohome.html http Ionospheric Data Home page information https://www.ngdc.noaa.gov/stp/iono/ionohome.html annually This metadata was automatically generated from the Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata standard (version FGDC-STD-012-2002) using the 2012-08-08 version of the FGDC RSE to ISO 19115-2 transform. Translated from FGDC 2012-10-10T11:10:06.079-06:00 This record was automatically modified on 2015-09-18 to include references to NCEI where applicable.