Advertisment: Broadband via satellite
Advertisment: Worldwide satellite services from Ground Control Company

Satellite Internet Forum.

Welcome, Guest.        Forum rules.
      Home            Login            Register          
Pages: 1

Dust on dish ! low signal ?

(Read 2765 times)
Ex Member
Ex Member

Mar 26th, 2006 at 9:29am  
Hi all,
My Vsat dish seems to be collection a thick layer of dust. Can this affect good signal reception?
Back to top
IP Logged
Eric Johnston
Senior Member

Posts: 2109
Reply #1 - Mar 26th, 2006 at 10:18am  
Dry, non-conductive dust won't have much affect.
A damp layer of resistive dust (e.g. carbon coal dust or salty sand), would absorb the signals.  Wash it off, while the transmitter is turned off for your safety.

Check the feed radome window also.  It is important to keep this clean and avoid conductive salty water films.  The transmitter MUST be off when this is cleaned.  Some feed windows are pre-treated with a coating to repel water.  Distinct, separated, water drops stuck to the window are preferred to continuous water films.

Most degradations are due to bad F connectors, corroded connectors, moisture/water in cable or feed and dish movement (mis-pointing)

Best regards, Eric.
Back to top
IP Logged

Posts: 2
Reply #2 - Mar 26th, 2006 at 4:55pm  
In addition - be carefully if you clean the plastic window
of feed they are very brittle after one year and more!
Back to top
IP Logged
Pages: 1