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
Fringe Reception General
Anyone tried to make BIG dish at home?
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="fta-elite" data-source="post: 740872" data-attributes="member: 367748"><p>Thank you for your comments,</p><p></p><p>The antenna is made of aluminium and has the following measures:</p><p></p><p>diameter 187 Cm, Focus 72 cm, Depth 30 cm, f/d 0,37</p><p></p><p>I cut triangular segments of 100 cm long by 15 cm base</p><p></p><p>I used three rings with 31, 62, 93 cm radius</p><p></p><p>The shape is parabolic, but I do not use the equation of the parabola to calculate values (x, y) but to use the length of the parabola between two points x and x´</p><p></p><p>from center x=0 to x=31 cm the length is 31,2 ; x=31 to x= 62 is 32.7 and x=62 to x=93 is 35,4 cm</p><p></p><p>Regards,</p></blockquote><p></p>
[QUOTE="fta-elite, post: 740872, member: 367748"] Thank you for your comments, The antenna is made of aluminium and has the following measures: diameter 187 Cm, Focus 72 cm, Depth 30 cm, f/d 0,37 I cut triangular segments of 100 cm long by 15 cm base I used three rings with 31, 62, 93 cm radius The shape is parabolic, but I do not use the equation of the parabola to calculate values (x, y) but to use the length of the parabola between two points x and x´ from center x=0 to x=31 cm the length is 31,2 ; x=31 to x= 62 is 32.7 and x=62 to x=93 is 35,4 cm Regards, [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Satellite TV receivers & systems support forums
Fringe Reception General
Anyone tried to make BIG dish at home?
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