[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: re: Patch plans reply

People, I have no idea how to keep up with these sites that change
addresses every five minutes!!!!  The two I just gave are no longer
valid.  There does not appear to be a way to determine the newest one.
These were construction drawings and quite valuable.     Cliff K7RR

cbuttsch@slonet.org wrote:
> Russ you probably have a good idea here in that the "experts" in the
> field have designed this feed as well as make provision for accurately
> making sure that polarization is truly circular, but it is SO complex!
>      Why not start with something far simpler?  Most offset fed dishes
> have an F/D of abound .5 to .6 so the patch is ideal.  Take a gook at
> these URL's and see if a simpler approach might be a better first step:
> http://www.geocities.co.jp/SiliconValley/4703/temp/2400patch02.gif
> this is shrouded feed which I prefer to reduce side lobes.....and
> http://home.adelphia.net/~tzibrat/2400mhzpatch/cad_screen.jpg
> These are full construction drawings which you wanted and are set up
> for left-hand polarization to feed a dish.  To have the ability to work
> from success seemed far better than any other method in my view.
> Cliff K7RR
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org