[amsat-bb] Re: moon bounce

[Edward R. Cole]

At 09:37 AM 6/4/2011, jerry wrote:
>Is this a good time for EME comm. ? Moon seems right for it  , but 
>never tried it . Is psk31 possible ? What freq. ? Orbitron says 
>145.000 ? Going to send cq throughout the day via PSK 31 on 145.000. 
>Maybe a waste of time .
>
>Jerry WB5LHD
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Jerry,

By your questions it appears you are interested in finding out more 
about eme (Moonbounce) but do not know very much about it.

On 2m eme is conducted in the 144.030-144.100 sub-band for CW, and on 
144.100- 144.160 for digital eme.  Psk-31 is not used and not really 
suitable.  A mode called JT-65 is used for digital eme.  It is a 
narrow-band FSK mode using software and computer soundcard to drive a 
SSB 2m radio.  An excellent article on eme is in the current ARRL 
Handbook written by Joe Taylor, K1JT, author of JT-65.  This will 
answer many of your basic questions on what eme is and how to get started.
http://physics.princeton.edu/pulsar/K1JT/
http://www.n1bug.net/operate/emebasic.html
http://www.vhfdx.info/jt65bintro.html

One cannot decide today I am doing eme.  Where do I transmit?

If you have a good satellite or terrestrial 2m yagi and at least 150w 
you have the basics to start.  But there is a lot to learn before one 
should expect to work eme.  There is the basic station 
setup.  Tracking the Moon.  Frequencies and procedures used.  As you 
get into it quite a bit to coming up the learning curve.  Give 
yourself at least a couple months to accumulate this knowledge so you 
are better equipped to try eme.

Consider subscribing to the Moon-Net e-mail reflector:
Moon-Net posting and subscription instructions are at 
http://www.nlsa.com/nets/moon-net-help.html



73, Ed - KL7UW, WD2XSH/45
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