[SixClub] Question

Wed, 11 Feb 2004 17:07:42 -0600

ok,
now I will show all how ignorant I am. can anyone tell me what freq mode &
RF power were used to communicate with the apollo missions to and from the
moon ?  we all heard them so it was voice wasnt it ?

                                                          Joey
RICHARD J. FIERO II W5TFW
ARRL Awards manager
QSL Manager USS KIDD EM-40
6 Club Awards Director

Always do everything you ask of those you Command.

GEORGE S. PATTON JR
----- Original Message ----- 
From: "Steve Katz" <[email protected]>
To: <[email protected]>
Sent: Wednesday, February 11, 2004 4:44 PM
Subject: RE: [BULK] - Re: [BULK] - Re: [BULK] - RE: [SixClub] Dead Band Quiz

> FM has about a 20db S/N disadvantage compared with CW.  A CW signal, or
> better still, a JT44 or WSJT signal, can be copied right at the noise
level,
> and using digital decoding (if it works!), even below the noise level.  FM
> can't.  Although I've never even attempted to hear an FM signal off the
moon
> (very well equipped stations might be able to), since phase modulation and
> frequency modulation are detected in the same way and the lunar reflection
> is full of phase variations by nature, I don't even know if it's possible
to
> discriminate an FM signal reflected by the moon's surface.  Again, never
> tried this.  Anyone know?  If it were possible, then if you could make a
CW
> EME contact with 100 W output to any given antenna system, it would take
> several kilowatts output to the same antenna system to achieve similar
> results using FM.  -WB2WIK/6
>
> "Success is the ability to go from failure to failure with no loss of
> enthusiasm." -Winston Churchill
>
> > -----Original Message-----
> > From: [email protected] [SMTP:[email protected]]
> > Sent: Wednesday, February 11, 2004 2:42 PM
> > To: [email protected]
> > Subject: [BULK] - Re: [BULK] - Re: [BULK] - RE: [SixClub] Dead Band
> > Quiz
> >
> > Steve, thanks. At the risk of laboring the point, why CW or SSB and not,
> > say
> > FM (well I did preface this thread with the "dumb" bit - LOL)
> >
> >
> > ----- Original Message ----- 
> > From: "Steve Katz" <[email protected]>
> > To: <[email protected]>
> > Sent: Wednesday, February 11, 2004 5:12 PM
> > Subject: RE: [BULK] - Re: [BULK] - RE: [SixClub] Dead Band Quiz
> >
> >
> > > Mostly CW; SSB for truly well-equipped stations!  Modes requiring
great
> > > frequency or phase stability for computer decoding don't work well
when
> > the
> > > signal points of origin and reflection are constantly in motion, as
the
> > > earth and moon are.  -WB2WIK/6
> > >
> > > "Success is the ability to go from failure to failure with no loss of
> > > enthusiasm." -Winston Churchill
> > >
> > > > -----Original Message-----
> > > > From: [email protected] [SMTP:[email protected]]
> > > > Sent: Wednesday, February 11, 2004 2:29 PM
> > > > To: [email protected]
> > > > Subject: [BULK] - Re: [BULK] - RE: [SixClub] Dead Band Quiz
> > > >
> > > > Dumb question time but as far as EME is concerned, is this always
> > voice
> > or
> > > > always CW or both? And I realise that its not just 6m. Thanks in
> > advance.
> > > >
> > > >
> > > > ----- Original Message ----- 
> > > > From: "Steve Katz" <[email protected]>
> > > > To: <[email protected]>
> > > > Sent: Wednesday, February 11, 2004 4:15 PM
> > > > Subject: RE: [BULK] - RE: [SixClub] Dead Band Quiz
> > > >
> > > >
> > > > > To the moon and back averages about half a million miles, so that
> > wins.
> > > > > -WB2WIK/6
> > > > >
> > > > > "Success is the ability to go from failure to failure with no loss
> > of
> > > > > enthusiasm." -Winston Churchill
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Randy Tipton [SMTP:[email protected]]
> > > > > > Sent: Wednesday, February 11, 2004 1:27 PM
> > > > > > To: [email protected]
> > > > > > Subject: [BULK] - RE: [SixClub] Dead Band Quiz
> > > > > >
> > > > > > To the moon & back ... however far that might be
> > > > > >
> > > > > > Maybe a six meter EME station can tell us...
> > > > > >
> > > > > > Tip
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: [email protected]
> > > > > > [mailto:[email protected]]
> > > > > > > On Behalf Of [email protected]
> > > > > > > Sent: Wednesday, February 11, 2004 2:55 PM
> > > > > > > To: [email protected]
> > > > > > > Subject: [SixClub] Dead Band Quiz
> > > > > > >
> > > > > > > What is the record distance for 6 meters?
> > > > > > >
> > > > > > > hope somebody knows!
> > > > > > >
> > > > > > > Jerry W9FS
> > > > > > > ______________________________________________________________
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