Subj : Re: Moon bounce To : alt.ham-radio.vhf-uhf From : an old friend Date : Mon Oct 17 2005 14:16:54 From Newsgroup: alt.ham-radio.vhf-uhf nospam@nouce.bellatlantic.net wrote: > On Fri, 14 Oct 2005 15:44:05 -0500, Chris W <1qazse4@cox.net> wrote: > > >I have been reading about moon bounce on the net. There is a lot of > >very conflicting data. Some say it takes 2,000 watts and the best > >antenna array money can buy. Others say it can be done with 10 watts. > >Is there anyone here that does it on a regular basis that can tell me > >what it really takes? > > Ok EME can be done a lot of ways. > > One is brute force with big antennas and power so you (human) can hear > the retured signals. > > The other is with moderate power in the 100-400 watt region and > smaller more modest (still large) antennas and use computers and > JT65 or other software to encode and decode signals that your > (human) ear can' hear in the noise. > > I don't know that people have reached the 10w level yet. lowest I have seen on a regular was 35 watts (with the other station being REALLY high gain) > > > Also a lot of what I have read talks about using > >2M to do the moon bounce, wouldn't a higher frequency work better? > > Yes, 432 and higher can help make the antennas smaller but then > you run into feedline losses and getting low noise recievers. So > there are conflicting tradeoffs. > > Allison > KB!GMX .