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Old 26th Jun 2019, 11:39 am   #11
SteveCG
Nonode
 
Join Date: Jun 2009
Location: Herefordshire, UK.
Posts: 2,219
Default Re: Dormer & Wadsworth (D&W)

Re post no. 10

G8HQP_Dave: Yes, there is more noise than thermal at 100 Mc/s and lower. It is cosmic noise emanating mainly from our Galaxy - At 100 Mc/s typically it is about 1000 deg Absolute reaching as high as 10,000 deg Absolute towards the Galactic centre, with higher values at lower VHF frequencies.
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