Baslinux mailing list

[Lee Forrest <lforrestster AT gmail.com>]

Hello Anthony,
On Fri, Jan 12, 2007 at 10:37:36AM -0500, Anthony Albert wrote:
> On 11 Jan 2007 at 14:42, Lee Forrest wrote:
> 
> >On Thu, Jan 11, 2007 at 01:52:56PM -0600, S. Porter wrote:
> >> James Miller wrote:
> 
> [SNIP]
> >> >> Is it restricted to certain bands or sub-bands or emission types?
> >> >> How much bandwidth is required to get, say, 1KB/second? (I normally 
> >> >> get
> >> >> an average of 1.3 on my dialup connection.)
> >> > 
> >> > Dunno about that. JP seemed to be saying his speeds on packet radio 
> >> > were in the range of 56K 
> >> > modems, due to restrictions in Europe. He said things were different 
> >> > in the US, indicating 
> >> > that higher data transfer speeds would be possible. It was a pretty 
> >> > brief discussion and I'm 
> >> > not sure I'm recalling accurately what he said. And my understanding 
> >> > of the technical issues 
> >> > is really like what Greg Mayman has been saying about his 
> >> > understanding of Linux: I barely 
> >> > know enough to even ask meaningful questions. Sorry, but what you're 
> >> > seeing here is alot of 
> >> > dreaming unfettered by the harsh realities of reality :)
> >> 
> >> On HF, 300 baud is the max allowed for packet radio, 
> >
> >http://en.wikipedia.org/wiki/baud
> >
> >Not easy to grasp. What would that be in bytes/second? Different for 
> >80-40-20-15?
> >
> 
> Key sentence from the Wikipedia entry, first one from second paragraph:
> 
> "As each symbol may stand for more than one bit of information, the 
> amount of information sent per second is the product of the rate in 
> baud and the number of bits of information represented by each symbol."

I read that. But have no idea what constitutes a "symbol" in
terms of digital radio transmission, and how many bits such
"symbols" can represent.

Lee

-- 
BasicLinux: Small is Beautiful
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