Here is a question I have never heard either posed or answered
concerning Solar Power Satellites. What effect does cloud cover have
on microwave transmission to the ground?
Mark
>>>Here is a question I have never heard either posed or answered
concerning Solar Power Satellites. What effect does cloud cover have
on microwave transmission to the ground?
A lot depends upon the the wavelength of the microwaves. Some wavelengths are
absorbed strongly by water molecules, others hardly at all.
Haven't checked to see whether exactly this topic is there, but Mark
Prado's www.permanent.com site has a lot of material on microwave
transmission. Happy hunting.
"Mark
04/26/01
08:28 AM
Please
respond to
ssi_list
Here is a question I have never heard either posed or answered
concerning Solar Power Satellites. What effect does cloud cover have
on microwave transmission to the ground?
Regards
Mark
>>>Here is a question I have never heard either posed or answered
concerning Solar Power Satellites. What effect does cloud cover have
on microwave transmission to the ground?
absorbed strongly by water molecules, others hardly at all. And in fact, the frequency chosen for SPS is intentionally one that to which even very dense water vapor is fairly transparent. It's one of the chief advantages of SPS over ground solar: the power is not only coming out 24 hours a day, but rain or shine as well.
Regards,
Mike Combs
Isn't it also the frequency that mobile phone companies like to use ?
something like 2.54 GHz ?
Brett
Isn't it also the frequency that mobile phone companies like to use ?
something like 2.54 GHz ? That number does seem to ring a bell. And a couple of years ago, I got notification that thefrequency of choice for power transmission was fixing to be auctioned off by the government for communication purposes. SPS advocates were being asked to e-mail their representatives to oppose the sale. I did that, but never did hear how it all turned out.
Mike Combs
Australia is either in the process of selling of that freq of has done
recently :(
b
With regards to the problem of creating a pressure vessel for the inner hull of
the construction shack, I have been doing some research. One particular
Aluminium magnesium alloy consists of 95% Al and 5%Mg. The alloy is used for
ship building on Earth. In its non-heat treated form, the alloy has a yield
strength of 275N/mm. The alloy should be relatively easy to produce from lunar
materials, given that both Aluminium and Magnesium are abundant in lunar soils.