Whatever modes are currently available should be tested to a standard set of 
tests.

If we as  a community of experimenters can settle on specific test, then some 
sort of comparative evaluation can be made.

I agree that a programmer should not spend a great deal of time woking on 
improving the user interface until the mode is througly tested and gains 
acceptance by a large group as desirable.  

Any programmer who develops a mode should have the expetation that 
users/testers test it to a standard set of tests and report them back to the 
programmer/creator of the mode.  This is invaluable to the creator of the mode 
as well as to amateur radio in general.

Rein, what are your ideas on what standard test should be used on pskmail for 
proper evaluation?  I would recommend that a standard power level be used (or 
perhaps a standard EIRP be used) and a test text of some length be used and a 
stardard for identifying errors on the received text.  Also date/time, band 
conditions, location of stations doing the test, band and other type 
information should be evaluated by the creator and perhaps others who would 
volunteer to be collectors of the test reports.

How does this sound?

Walt/K5YFW


-----Original Message-----
From: digitalradio@yahoogroups.com [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 19, 2006 5:14 AM
To: digitalradio@yahoogroups.com
Subject: RE: [digitalradio] PSKmail


OK Walt, of course you are right... It is nice to have an arq mode
available also for keyboarding. But I would prepare a complete document
with the editor before sending it:) 
The pskmail k-to-k mode has not been tested properly, and should be
regarded as experimental. But first tests have shown that it matches
PSK31 typing speed, and will deliver the text unmutilated. Unless AMTOR
ARQ, which did not have a 0% error guarantee.
Pskmail uses a CRC-16 for each segment. It is nice to have to type your
text only once even if the QSO is being jammed... 
I will not put time into jazzing up the user interface until people
start using it (which may take a lot of time as nobody likes stuff that
is free).

Rein PA0R

On Mon, 2006-09-18 at 10:25 -0500, DuBose Walt Civ AETC CONS/LGCA wrote:
> Rein, you wrote..."But of course you don't need the 0% error arq for k-to-k 
> mode"
> 
> Why is this?  The conditions I operate under, when I use a data "chat" mode, 
> I need 100% or near 100% error transmissions because of the nature of the 
> information I am sending.  If it is not received correctly, schedules could 
> be missed causing loss of evacuation or instructions could be missed causing 
> loss of life.
> 
> While, as you say, normally ham radio traffic doesn't need to be error free, 
> there are instances when it does.  Therefore I would think that we would want 
> to build modes that were 100% error free if possible so that they could be 
> used in a worst-case scenario.
> 
> Walt/K5YFW
> 




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