Paul Colby's latest activity
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Paul Colby reacted to DDTJRAC's post in the thread In the early days of electricity, they didn't have wall plugs with
Like.
Hello scientists, engineers, etc. I have not had any questions for you recently, so have not participated here. I was scanning some... -
I also ran across the discussion in the new persons thread. It got me interested in how long it would take the comet to travel...
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Paul Colby replied to the thread I How feasible is home radio astronomy?.Here’s a reference to some SDR evaluations...
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Paul Colby reacted to Baluncore's post in the thread I How feasible is home radio astronomy? with Like.
In the paper written by Jon Wallace (SARA), it appears, from the 24-hour records, that radio astronomy is being done. That system...
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Paul Colby replied to the thread I How feasible is home radio astronomy?.I'd prefer to have some assurances that any bumps measured actually came in through the antenna feed and not some random interference or...
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Paul Colby replied to the thread I How feasible is home radio astronomy?.Thanks. This will get a good read. Nice antenna design. I've dusted off my coaxial switch box which allows me to pragmatically switch...
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Paul Colby reacted to parac-EU's post in the thread I How feasible is home radio astronomy? with Like.
You said that you were not successful with your method. So, just try our method. If still sceptical, read att paper written by Jon...
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Paul Colby replied to the thread I How feasible is home radio astronomy?.There are much simpler tests I would definitely recommend first. Trying 0 buckets would top my list. These SDRs have a wealth of...
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Paul Colby replied to the thread I How feasible is home radio astronomy?.So, the plot shown in post #55 shows a peak. How many dB above the background is it? I ask because RTL dongles have pretty high noise...
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If you use a parallel plate transmission line and tune to its resonant frequency, the electric field max position will correspond to a...
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Paul Colby replied to the thread Rethinking Physics Education.Isn’t it reasonable to say mathematics, in it’s beginning, began by fitting nature? People built logical systems around things about the...