[Knightsqrss] QRSS, Speclab and shaping time

Laurent Laborde kerdezixe at gmail.com
Thu Feb 7 10:42:06 EST 2008


Hello knights.

Some of you maybe noticed my *ugly* transmission today on 7000.830 in QRSS3.
It was 50 watts (not mW ). Overpowered for a good reason, i wanted to
check the harmonic and other unwanted signal on ON5EX grabber.

Here is the problem :
There is a nice parameters called "shaping time".

When the shaping time is high, the signal slowly raise and decrease in power.
When it's set to 0 it transmit at full power immediatly, creating the
ugly "bone shaped" dot and dash.

I played with it and always had the "bone shape", using default
preselected QRSS3 mode.
I tried chirped Hell and other mode and sometime succeded and somtime failed.

I switched back "manually" (not using the predefined menu) to default
QRSS3 mode and now the shaping time is correct, no more bone.
I don't understand what happened but now my dot and dash are correct.

Is there a known bug or ...something ? that prevent the "shapping
time" to work correctly when using the predefined mode ?
Or did i changed something... somewhere... without knowing it, to make
my QRSS3 look nice ?

Thx ;)
And sorry for the messy english today :p


-- 
F4FQM
Kerunix Flan
Laurent Laborde



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