SID - Sudden Ionospherics Disturbances
Metoda měření spočívá v detekci vybraného zdroje radiosignálu (v našem případě vysílače telemetrické vojenské soustavy a časového signálu pro severní Evropu, nacházejícím se poblíž islandského Gridavíku). Příjem takovéhoto dlouhovlnného signálu je ovlivněn řadou faktorů, mezi něž patří odezva jednotlivých vrstev zemské ionosféry na rentgenové záření z vesmíru, pro nás pak hlavně zs Slunce. Metoda je jinou modifikací registrací tzv. SEA (viz odkaz) a jde o jednou z nepřímých metod zjišťování energetických jevů na Slunci.
Legend for used term in
data
files:
/ Vysvětlení pojmů, obsažených v
datových
souborech:
Start,End,
Max time of
start, maximal phase and end of
event
/ jsou časy začátku, konce a maxima
pozorovaného
jevu;
Imp
importance, relative intensity against base daily
level
/ je importance, tedy relativní mohutnost jevu na
záznamu
1 is lowest, 3 is
supreme
/ vzhledem ke klidové hladině, 1 je
nejnižší, 3
nejvyšší;
Def
definition, quality of "drawing" event during
record
/ pak označuje míru "prokreslení"
neboli čitelnosti
jevu
0 is poor, 5 is
fair
/ na záznamu, 0 - špatná, ... 4
vynikající;
Type
is type of classification of event. Detailed
informations
/ označuje typ jevu. Bližší informace o
klasifikaci typu
about classification scale for SEA and CN
events
/ SEA i CN na vyžádání u
is available on the request
from
/
Jan Klimes, jr.
Archiv měsíčních přehledů měření SID:
Observing Station: OBSERVATORY Ú PI C E, CZECH REPUBLIC |
Frequency: 37.5
kHz Band pass: 308 Hz a 8 dB Chart speed: 3.4 cm/H Recorder time constant: 1 min. |
Transmitter:
Receiver: Lat.: 63 51 1.31 N Lat.: 50 30 26.6 N Sea level: 416 m Long.: 22 28 0.38 W Long.: 16 00 43.5 E |
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