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echo: hs_modems
to: BILL COOPER
from: DAVE PETRUCCI
date: 1997-03-16 09:40:00
subject: Re: 4400cps on a 33600/3

 >-> MF>Nope with 33600 you can get over 4000 commonly.
 >-> Assuming LAP-M EC, no compression:
 >-> 33k6 connect with frame size of 128 -- max transfer rate = 3920 cps
 >-> 33k6 connect with frame size of 256 -- max transfer rate = 4032 cps
 >Sorry to burst your bubble here, but I personally did have a fully
 >compressed zip file transferred to me at a little over 4400 cps... that
 >was compressed using the -EX command... so... anyone could see that the
Bill,
       Not suggesting you didn't get over 4400cps.... but one has
       to wonder how you achieved the 30%+ improvement over the basic
       33600bps rate... 20% is pushing it...   Is it possible that
       the file itself was not fully compressed or small, which both
       can result in inaccurate cps rates...?
Dave P.
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