[BULK] - [SixClub] Question

Wed, 11 Feb 2004 14:55:00 -0800

> 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 ?
> 
> ::With NASA's gigantic dish antennas having 60 dB gain, it doesn't take
> much....unfortunately, hams don't have multimillion dollar antenna budgets
> for our "ground stations." -WB2WIK/6
> 
>                                                           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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