Log in
Register
Menu
Log in
Register
Home
What's new
Latest activity
Authors
Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Current visitors
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
3.7m Prime Focus Prodelin project: any ideas?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Channel Hopper" data-source="post: 1021846" data-attributes="member: 175144"><p>The feed in all of the designs will cope with the 0.3, 0.36 and 0.37 of the prime focus antennas. Matching is improved with careful attention to the feed distance from the reflector and alignment to the centre (boresight), hence the relatively large adjutment on the four feed arms where they meet the reflector panels.</p><p></p><p>I don't have the gain figures to hand but if they are stated on paper, then careful assembly means they will be met. A specific gain will be matched to a frequency of the incoming signal, if the antenna is assembled correctly the overall gain figure changes in proportion to the lower and upper frequencies , hence why a C band system has a lower number to that of the same dish working at Ku band.</p><p></p><p>Please post some images of your installation in the appropriate section.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 1021846, member: 175144"] The feed in all of the designs will cope with the 0.3, 0.36 and 0.37 of the prime focus antennas. Matching is improved with careful attention to the feed distance from the reflector and alignment to the centre (boresight), hence the relatively large adjutment on the four feed arms where they meet the reflector panels. I don't have the gain figures to hand but if they are stated on paper, then careful assembly means they will be met. A specific gain will be matched to a frequency of the incoming signal, if the antenna is assembled correctly the overall gain figure changes in proportion to the lower and upper frequencies , hence why a C band system has a lower number to that of the same dish working at Ku band. Please post some images of your installation in the appropriate section. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
3.7m Prime Focus Prodelin project: any ideas?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
Accept
Learn more…
Top