AUSTRALIAN SHORTWAVE JOURNAL



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Monday, June 23, 2014

PROPAGATION AT SOLAR NOON ON THE SHORTEST DAY

PROPAGATION AT SOLAR NOON ON THE SHORTEST DAY
This is a sample of spectrum occupancy in the 9 MHz band between 0159 and 0230 , spanning the Solar Noon Window , as observed here in Melbourne on our shortest day, June 22 2014.
 
9400 LITHUANIA RFA-Sitkuani, Uyghur to 0200*
9420 IRAN Arabic to 0200*
9470 CHINA CRI-Kashi English to 0200*
9490 F. GUYANA R. Republica via Montsinery Spanish 0210
9500 CHINA CNR1 Chinese
9520 ROMANIA RRI Romanian *0200
9570 ALBANIA CRI-Cerrick Chinese 0215
9595 CHINA CRI-Kashi Spanish 0215
9645 ROMANIA RRI Spanish *0200
9760 CHINA  CRI-Kashi Spanish 0215
9815 CHINA CRI-Kashi Chinese 0210
9860 IRAN Spanish 0200
 
The Solar Noon is the time at which the sun is at its greatest altitude – on this day it occurred at 12.22 pm local (0222 UTC), at an altitude of 28/8 degrees above the northern horizon Melbourne citizens enjoyed only 9hrs 32m 36s of daylight on this day – the distance from Melbourne to the sun was 152,040 million km.
 
 
 
 
 
 

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