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Science Forum Index » Electronics Forum » investigating radio interferometry satilite communications
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Message |
| Robert Miller |
 Posted: Sat Sep 01, 2007 12:19 am |
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Guest
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I'm curious if it is possible to create a virtual dish size of 100 ft. by
using two
small matched dish antenna's pointing at the same satilite for example
Direct TV's
101 satilite to reduce rain fade.
I see many problems that can be overcome. For example the distance from the
satilite to each dish and the distance of the dish via their cable
connections would
have to be very exact. So the signals will line up properly.
Radio astronomers do the same thing but with analog signals. I am
attempting
to do this with a digital signal. The more difficult problem is that the
receiver
unit sends an alternating 13v and 18v carrier to the LNB. If I try a simple
T circuit it will act as a voltage divider and will not work.
Is there already a circuit that will divide these carriers to the LNB and
combine and pass the received signals back to the receiver?
Or does one need to invent the circuitry to accomplish this task?
Thanks in advance.
Robert |
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