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<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>I have been playing
about with power supply solutions here and have come to the conclusion the best
is a battery.</FONT></SPAN></DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>What I am going to
do is a bit different though.</FONT></SPAN></DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>A LINUX computer
will run predict. </FONT></SPAN></DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>When a satellite is
above the horizon according to predict, I will throw a relay on a board off the
printer port.</FONT></SPAN></DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>The relay will
disengage the battery from the charger and throw it across to the radio to
energise for the next pass.</FONT></SPAN></DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>When the satellite
has gone back below the horizon, the relay will de-energise and flip back to the
charger and turn the radio off.</FONT></SPAN></DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=375384208-30112007><FONT face=Arial size=2>Anyone automated to
this extent in their sat shack ?</FONT></SPAN></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial
size=2>----------------------------------------------------------------------------</FONT></DIV>
<DIV><FONT face=Arial size=2>Andrew Rich VK4TEC</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="mailto:vk4tec@people.net.au">vk4tec@people.net.au</A></FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.tech-software.net/">http://www.tech-software.net</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> </DIV></BODY></HTML>