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Large TV Dishes

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astroshot's picture
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Large TV Dishes

In the pre Sky & Virgin Media days, there was a time when some people used to have a large dish for satellite TV. I'm guessing they must have been in the 2.5 to 3m range.

Are they completely obsolete now?

Anyone tried using them for radio astronomy? 

Michael.

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TV dish radio astronomy
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Resident of the Three Hills

It is BAA member Robin Leadbeater at the Three Hills Observatory.

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little and large

That is my simple  small dish setup using currently used sat TV frequencies. I think the big ones used lower frequencies (C band ?) and I believe are good for making Hydrogen line receivers if you can find one (more popular in the US I think)

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Thanks guys. I'll take a look

Thanks guys. I'll take a look.

Regards,

Michael.

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It's not just amateurs using

It's not just amateurs using off-the-shelf communications hardware to do radio astronomy, incidentally.

On a larger scale, I believe the Australian SKA Pathfinder (ASKAP) is built out of standard 12-metre dishes that are used by telecoms companies. Of course, the detectors and mounts needed to be bespoke, though.

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Large TV Dishes

Many  years ago now we had a Society  visit  to the home of John "Radio" Smith, which was near to Rudgwick in West Sussex/  He  had a very large  Ex Radar  Ariel  which was in the  range of 20 to 25ft  size.  This was  guarded by his Bees !!!!!