CN - měření kosmického šumu
Metoda detekce šumového signálu v dekametrovém pásmu (cca 30 MHz). Dominantním zdrojem je Slunce, dále lze najít radiové záblesky Jupitera a také záření jádra naší galaxie. Sluneční signál pochází z části zvané koróna a efektivní výška nad slunečním povrchem je dle podmínek mezi 400 000 a 900 000 km. I tato metoda přispívá k celkovému obrazu aktivity Slunce za každého počasí.
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 CN:
Observing Station: OBSERVATORY Ú P I C E CZECH REPUBLIC |
Frequency: 32,8 MHz | Lat.: 50 30 26.6 N Sea level: 416 m Long.: 16 00 43.5 E |
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