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April 9th 09, 11:35 AM
posted to rec.radio.amateur.antenna
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Cassegrain Antenna Development
In article , Emanuele
Colucci wrote: Hi there, this is my first post here, hope not being off topic  I was asking myself if there were resources over the net that cover the development of a cassegrain antenna [from the design up to the building] in a homebrew fashion. Thank you for paying attention towards this mail Bye bye Emanuele Colucci PS. I already posted this message to rec.radio.amateur.homebrew, but a user suggested to me to post it here too. Hello, and while I can't point you to any specific sources I would ask why you feel you need to use a Cassegranian feed. This complicates the design in that you need both a parabolic main dish and a hyperbolic reflector. Have you worked out the antenna's frequency band and required radiation pattern/gain? Would a non-Cassegrainian feed (e.g. placing the main radiating/receiving element on a support at the focal point of the reflector) be viable? Sincerely, and 73s from N4GGO, John Wood (Code 5550) e-mail: Naval Research Laboratory 4555 Overlook Avenue, SW Washington, DC 20375-5337 |
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