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RE: Communication thru P5-A



Good advise and thanks for it.  I was winchester anyway.

Robert


>From: "Reicher, James" <JReicher@hrblock.com>
>To: 'Robert Oler' <cvn65vf94@msn.com>, CLVANCIL@aol.com, amsat-bb@AMSAT.Org
>Subject: RE: [amsat-bb] Communication thru P5-A
>Date: Wed, 28 Aug 2002 16:03:38 -0500
>
>Gentlemen -
>Please take your childish spat OFF AMSAT-BB.
>
>-----Original Message-----
>From: Robert Oler [mailto:cvn65vf94@msn.com]
>Sent: Wednesday, August 28, 2002 12:09 PM
>To: CLVANCIL@aol.com; amsat-bb@AMSAT.Org
>Subject: Re: [amsat-bb] Communication thru P5-A
>
>
>
>
>Hello Chris.
> >
> >I don't believe you knew Mars' location without looking it up for one
> >moment!<<
>
>Believe whatever you want.
>
>But you are wrong here.
>
> >The Viking Orbiter transmitter outputed 30 watts, MGS outputs 25 watts 
>and
> >MO
> >outputs about 20 watts, so 50 watts with a big dish is important.
>
>I did have to look this up because I wanted a source for it.
>
><<Communications were accomplished through a 20-W S-band (2.3 GHz)
>transmitter and 2 20-W TWTA's. An X-band (8.4 GHz) downlink was also added
>specifically for radio science and to conduct communications experiments.
>Uplink was via S-band (2.1 GHz). A 2-axis steerable high-gain parabolic 
>dish
>
>antenna with a diameter of approximately 1.5 m was attached at one edge of
>the orbiter base, and a fixed low-gain antenna extended from the top of the
>bus. Two tape recorders were each capable of storing 1280 Mbits. A 381 MHz
>relay radio was also available.
><<
>
>Just do a google on Viking Spacecraft and you'll find it.
>
>
>
>And this
> >is baseline.  If they fly it with advanced solar panels or increase the
> >square area of the cells it will be closer to the 100 watts.
>
>And anything is possible.
>
>Including the fact that the P5-A will fly.
>
>Robert
>
>_________________________________________________________________
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>
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Robert Oler WB5MZO Houston TX


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