High Latitude Measurements of the Total Electron 1ry~alchn eprt \- Content (TEC) Using the Faraday Technique and Ap:*W ~ Ar ~ 1> Comparisons with TEC Estimates from NAVSTAR-GPS 6. PERFORMING ORG. REPORT NUMBER 7. AUTHOR(a) S. CONTRACT OR GRANT NUMBER(e)

• Main Authors: Jnclassified Nl, Dr. Kaare Aksnes "daja--c-l--'li, Usardsg-uk Jun
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: IS. Reort)15a. DECLASSIFICATION; DOWNGRADING Approved for Public Release; Distribution Unlimited 17. DISTRIBUTION STATEMENT (of the abstract entered In Block 20; It different from; Report) 7. I; Faraday; Norway; Tromso; Northern Norway
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1028.5961; http://www.dtic.mil/get-tr-doc/pdf?AD%3DADA103042%26Location%3DU2%26doc%3DGetTRDoc.pdf

19. KEY WORDS (Continue on reverse side, if necessary and identify by block numnber) Total electron content (TEC) measurements. Faraday rotation technique High latitude ionosphere NAVSTAR- GPS 21L ABSTRACT (Contmme am ree, in a It n~aeaar ad Idenutf by block numbet) A VHF electronic polarimeter for total electron content (TEC) measurements has been in operation at Tromso Telemetry Station (690 39'N, 18056'E) in Northern Norway for the period April 1980 to April 1981. The polariineter has been receiving data from the geostationary satellite SIRIO, which is situated almost due south of Tromso *- at 80 elevation.