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Old 18-06-2011, 10:54 AM
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ChrisM
Sandy Ridge Observatory

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5.8 GHz link to house

I recently had occasion to set up a wireless video link from the observatory to the house. This allowed me to show some elderly visitors the moon on the large flat-screen LCD TV in the house. They were absolutely fascinated with the view, which was about 6 arc minutes, and even though it was mainly a static image, it was like they were waiting for another meteor to strike the surface! Gripping stuff!

I stopped short of controlling the scope from the house, but did do a 3 minute lap of the moon from the obs for them.

I used a 5.8 GHz wireless A/V sender from Jaycar http://www.jaycar.com.au/productView.asp?ID=AR1880&keywords= 5.8+GHz&form=KEYWORD

It took literally only 5 minutes to set up at each end, and gave a virtually noise-free picture in the house, which is about 20 metres line-of-sight from the obs. I'll definitely be doing this again and may investigate whether I can connect an external antenna to the transmitter unit.

Chris

Last edited by ChrisM; 18-06-2011 at 10:55 AM. Reason: spell check
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Old 18-06-2011, 11:42 AM
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renormalised (Carl)
No More Infinities

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Great idea

I like the fact it's not interfered with by the other wireless networks because of the frequency it operates at.
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Old 18-06-2011, 01:18 PM
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ChrisM
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Quote:
Originally Posted by renormalised View Post
Great idea

I like the fact it's not interfered with by the other wireless networks because of the frequency it operates at.
Carl - Yes - it's well away from the 2.4 GHz band, and has a choice of 8 channels. No doubt though, the higher band will get more congested in time.

Chris
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Old 18-06-2011, 02:54 PM
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Waxing_Gibbous (Peter)
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Thanks for posting this. I'd wanted to do the same but with an Ha Solarscope and have been fossicking around for the right unit.
I know Gigahertz from Goat-food so this is very useful.
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Old 18-06-2011, 03:36 PM
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mithrandir (Andrew)
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Quote:
Originally Posted by renormalised View Post
Great idea

I like the fact it's not interfered with by the other wireless networks because of the frequency it operates at.
Our wireless phone is on the 5.8GHz band. I wonder if it will interfere with anyone's 802.11n? At present everything in the house is 802.11g.
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