EISCAT

Anthony Van EykenEISCAT Scientific Association

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7%f cpver Ulmtmim tkam Ikefim direct antifym 4faie hydrogen component in ElSCATsWF Commonlhnmmmme Scmn. CP-7, dh^ude data. The horiumtal scale covers theperiod OOOO-OlOO UTon27Septmber1990md(Hte vertical scale runsfrom zeroto 1700km onaach panel. The upper pa^ ^kows dte conmawmd amaSysis cf the oxygen ion density€emponent ofthe ionosphe^ pioBma, the mUUUe pmd shows the percentage composition ofi^drogen ions (dark red being 209h)^6mdttheilowerpaHd shows the corresponding hydrogen ionwehdty (dark bbie to da^ r^ cmmesponding to 4B0ms'i to ^600 ms-^). These data wereproduced using a spedaUiedmaegnation\pro^^am, to nmave unwanted satellite echoes, and amttd^fiedyersimefthestandardmudysis software.

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. CUMMULATIVE TOTALS

1992 Jan Feb Mar Apr May Jim Jul Aug Oct Not Dec

CP 54 113 141 234 261 345 407 519 603 657 735 789

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Totol 66 324 535 628 742 858 97S 1111 1195 1282 1492

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Last updated: 18/6/92

19 March 1988

00 UT

Fig. 18. Colour representation of long pulse results from an operation of Common Programme CP-l-Hfrom 9 UT on 16 March to 9 UT on 20 March J9HH. These results show the variations of (top to bottom)electron density (log nJ, electron temperature (TJ, ion temperature (TJ and line-ofsight ion drift velocity(vj ber^vecn IJ5 and 600 km altitude Experiment CP I H also provides multipidse measurements from E-region heights and two sa.s of power profiles in this st'hcmr wiih the irtinsniiiting antenna pointedprrnuin'^mlv dlonv thr 'lirrrtinn

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BSCAT Scientific Association Received:

EISCAT Scheduling Request Form(Send10 die EZSCAT Schedule Co-ordinator, Tn>ms0, with copy to theDirector,

^ 10th o(Month preceding first observations)

Tifle ot Experiment:

Tclepbonc:Telefax:

EMail:

Related E:q>eTicQeDts:

Geophysical conditkns lequired and/orDependence on ocher equpnient:

Bada^ experiments:

Impact c^lnternqjciocis:

Preparations Required:

Sciwitific Objectives:

Special Requirements:

b this aaew e^Mrimeot?

Dale submitied:

Associate Country:

Associate Reference:

ELAN fUename(s):

Campaign reference:

Total Hours:

Time of Yean

Tmie of Day:

Person Responsibk for operatioDs:Troms0 UHF:Adm^auive?

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eSTG03-EJr83-83-1992

23:28:38

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Figs. 2 and 3 Zonal and meridional velocity meaturedduring a day wlim satisfactory echoes weie detectedthroughout the troposphere, die tr(^x>pause and thelower stratosphere.

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1524

Fit #!

(10 3

(10 5)

01 -7 113 10840 10S00 4405 5j1 Altitude zone: 4 Fit

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isult

f93 4745 3 11 1498 299i0

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Fit •: 2 Altitude zonei 4 Fit result: 0SSPT

-7.40-7.30 -7.20

DOSfNSHIFTED FREQUENCY (MHz)

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720 7730 7.40

UPSHIFTED FREQUENCY (MHz)

05i00

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Freqi.fli^ry diffe-^ftrise from FO (kHz)

wM^m

Time series of COSCAI G::ectr o ;;;cL:ar'ky LaFrom. 02i45i00 18/10/i';59 to 0^.. 15.00 lG/10/1989Data integrated ovor 5 fivG sc-conj cuf^ps

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