[pskmail] Speed measurements

  • From: Rein Couperus <rein@xxxxxxxxxxxx>
  • To: pskmail@xxxxxxxxxxxxx
  • Date: Wed, 27 Jan 2010 14:28:25 +0100 (CET)

Here are the results of today's speed measurements...

method: download a web page (http://pskmail.wikispaces.com/overview) containing 
10 kB of text via 
PI4TUE on 10147 and 18105 kHz over a 20km path.
The figures are net throughput of the file including compression and arq 
overhead.
These are max. values, there was no qrm, qsb or qrn. The time was measured from 
requesting the page to showing in the terminal.

Mode       seconds       chars/second   wpm
============================
PSK500    236               42                    504            
PSK500R  349               28.6                 343
PSK250    360               27.7                 332
PSK250R  567               17.6                 212   
MFSK32    1092             9.1                   109
PSK125R  1130             8.8                   105
THOR22    1452             6.9                    83

(wpm = 5-char words/minute)

73,

Rein PA0R  -- 
http://pa0r.blogspirit.com

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