Dee:

My "simple math" is actually just your "simple mind" and you cannot
tell the difference.

If I send perfect video, encrypted off a DVD you will indeed notice
that it slows, pauses and is not acceptable for broadcast--however, if
you encrypt the sound to mp3 and the video to avi it becomes childs
play for anyone who is technically savvy and results in video and
audio which is magnitudes faster than SSTV.

Get away from these ancient amateurs who have gone blind and ask where
it has "ALREADY BEEN BEING DONE FOR A DECADE!!!"

Standing there looking stupid is no way to go through life girl!

John

"Dee Flint" wrote in message
...

"Michael Coslo" wrote in message
...
Dee Flint wrote:

"John Smith" wrote in message
...

Dee wrote, "... only fax and SSTV have a small enough band width
to be practical."

That is not only a ridiculous statement, it is preposterous and
shows a total lack of knowledge of the state of data compaction.

However, it proves you are not aware of what is technically
possible and therefore are in a poor position to advise or inform
others and, the sorry state of amateurs technical savvy in
general!

John



Ok then, show me the math that demonstrates you can transmit a one
megabyte picture in seconds on the HF bands using only 300 baud.
To get it down to seconds requires data compression/encryption
techniques that can reduce the data by a 1000 fold.

Obviously, images can be transmitted by digital modes as well as
the analog method of SSTV.


Digital images would have to be compressed/encrypted also to get the
bandwidth down to acceptable ranges for HF and we're still talking
on the same order of magnitude to do so. Even with a fast broadband
internet connection, I've seen some material that still takes a
noticeable time to download.

Is that a good way of transmitting the image? It can be. Seems I've
heard about a digital image transmission mode.


Isn't most of the stuff off the internet (mpg comes to mind)
digitally encoded. Even on my broadband connection it will
occasionally jerk and pause. If you have to slow it down to 300 baud
for the HF bands so as not to consume too much bandwidth, that would
become even jerkier.

Does that make the Analog SSTV mode obsolete? No more obsolete than
SSB or FM. It is a fairly quick mode, and with a computer is now
inexpensive, and fun.

I'm looking forward to an education on the modes from someone with
technical savvy. Mr Smith?


- Mike KB3EIA -

I doubt if he's got the technical savvy. Simple arithmetic shows
the inherent problems.

Dee D. Flint, N8UZE