I've done some measurements that may help -
http://blog.aa6e.net/2006/07/tt-orion-adventures-in-time-domain.html
Depends on what you really mean by "QSK".
73 Martin AA6E
Dennis OConnor wrote:
> Just a minor quibble: with the Orion set up for normal operating, with
> 8msec risetime (as discussed ad nauseum in the past) and 50% weighting
> on the transmitted cw - I'm skeptical about true unmuting of the main
> receiver between dit characters at an actual 30wpm.
> *******************************************************************************************
>
> Well Barry, I don't know what to say... You are one of the posters I
> normally give credence... It must be my lieing ears then, because I DO hear
> what is going on the frequency during transmit - even with the Titan in
> line...
> Now whether the receiver(s) are completely unmuted I cannot say, but I can
> hear other stations transmit while I am... I can hear the DX go CQ back in
> my face, etc... 30wpm may be an exaggeration - I normally have the Orion
> showing 26-28 on the screen when working during good contest conditions... I
> usually use 18-20 on 160 for non-contesting given the conditions there...
> 30-32 is mainly used near the end of a 48 hour grind where everyone is up to
> speed after 2 days of code practice and all I am doing is short, snappy,
> CQs...
>
> So how do we go about testing this?
>
> denny / k8do
>
>
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