TIP: Click on subject to list as thread! ANSI
echo: aust_modem
to: Ian Smith
from: Russell Brooks
date: 1996-12-04 05:56:52
subject: X-Files modem

IS>> Nope, even MNP4 won't take you past about 118% (1700 cps at 

IS>> 14400, 3400 at 28800, so about 3967 cps at 33600). 



 BG> That still doesn't explain the 4000cps which was physically seen here on 

 BG> one

 BG> particular 1.5Mb file transfer between David's Courier and mine (and 

 BG> which was

 BG> witnessed by Russell Brooks at the time).



DEJA VU



IS>> A 48K file will give you about a +/-8% error in recording 

IS>> (ie, +/-300cps!) at one second resolution, at 33600.  Even 

IS>> 480K is too small for really definitive throughput figures 

IS>> at that rate (still approx +/-30cps).  Quoting transfers of 

IS>> 1Mb or greater starts to make timing artifacts look 

IS>> relatively insignificant.



 BG> Agreed.  In fact, several smaller log entries here (say 50Kb or so) show 

 BG> speeds

 BG> in excess of 4000cps, but these are obviously inaccurate. Not so with 

 BG> 1500Kb

 BG> though, where a second or two either way is not likely to make much 

 BG> difference

 BG> at all to the calculated overall cps rate.



IS>> So close to seeing those (some say) 'magic' extra zeroes, but so far :)



 BG> Still reckon the 4000cps I saw with Russ was genuine...  :)



  DITTO

        Regards, Bill



The mass's are not listening to either of us this time round either.

Next time we try this test  we will invite YOU ALL to see for yourselves

& that way you can believe your own eyes.



Mind you, this only happened twice in the ONE day.



Maybe the planets were aligned and Frank Blount was out to lunch.



Russell



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