[Moon-Net] Prime-focus vs. Offset-dish
eme at kc4sw.com
Wed Nov 23 23:19:23 CET 2016
Thank you all for a very interesting thread
Stephen Hanselman, KC4SW
Datagate Systems, LLC
3107 North Deer Run Road #24
Carson City, Nevada, 89701
(775) 882-5117 office
(775) 720-6020 mobile
s.hanselman at datagatesystems.com
a Service Disabled, Veteran Owned Small Business
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Sent from my iPad
> On Nov 23, 2016, at 01:00, dominique.dehays <dominique.dehays at enac.fr> wrote:
> Hi Manfred ,
> I am interested to know how much sun/cs U get on 10Ghz with your system.
> On my "tropo" system , consisting of a 100cm offset , all WG and a
> sligthly worse preamp than yours , I get up to 10dB sun noise.
> I can't came close to this on the 120cm prime focus I use for small
> pistol EME. I agree with U that shadowing is nbot a problem , at least
> for reasonnably sized PF. It is a question on illumination efficiency
> and lower noise pickup.
> I have no shadowing on the small eme system as I'm using a rear mounted
> tvter and a shepperd crook.
> Moon-Net posting and subscription instructions are at http://www.nlsa.com/nets/moon-net-help.html
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