[Moon] VHF

[Håkan Harrysson]

Hello Joe,


I see in the Noice sky map using moonsked  the sky looks very hot behind the sun.  I shall wait and see during the coming months if anything changes. 

looks good sofar HI!

Tnx  de Hakan SM7WSJ




> Hi Håkan,
> 
> I advise you not to take too seriously any sun/cold sky measurements 
> made at VHF frequencies at this time of the year.
> 
> In late December the sun is less than 5 degrees from the galactic 
> center, so you will necessarily be measuring a combination of noise from 
> the sun and from "Sagittarius A".
> 
> Better to wait a couple of months for the sun to move well out of the 
> galactic plane... or to use a fixed celestial radio source such as 
> Cassiopeia A or Cygnus A.
> 
> -- 73, Joe, K1JT
> 
>