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EISCAT > EISCAT Tromsø Observatory  > Heating Facility   > DN > EISCAT Tromsø Dynasonde: Ionogram 2026-04-21 11:46 disclaimer | copyright 
Item 1444 of 1444 Analysis Date & Time 2026-04-21 11:48:05 UT From File TR2604211146 Index page previous Last ionogram
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TROMSO NORWAY DYNASONDE
26-04-21 1146UT 15°E 8pBP6It0
DoY=111.49028 File=TR943622.BPG

Profile Parameters
 fpMax, MHz Hmax, km ScHt, km
E 2.654 104.577 7.679
F 4.586 324.723 138.038

TEC Parameters (1.0 TECu = 1016 el/m2 col)
bTEC tTEC aTEC
4.606 10.153 14.76

Vector Velocities (m/s)
  VX VY VZ VM VB
E -3.7±30.6 65.3±7.8 -0.3±69.3 -13.8±68.3 63.9±14.1
F -140.3±55.3 3.6±6.9 20±61.7 18.9±59.5 7.7±17.6

Irregularity Parameters
  SPINSPAM
E 0 0
F 0 0

Analysis Results in Tabular Format
Analysis Results in SAO Format
Housekeeping Information