Message-ID: <4F02432F.5020400@kpnmail.nl>
Date: Tue, 03 Jan 2012 00:52:15 +0100
From: pa3abk <pa3abk@kpnmail.nl>
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Subject: Re: LF: OPERA Decode    PA3ABK de PA0A
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Graham,

Well I think it's a matter of conditions.
In the past I could decode your ROS MF transmissions, not on a daily 
basis, but MF is is very depending sometimes on a certain duct condition.

Nicolas has very sensitive location at least he must have a low noise 
situation..

Surprisingly I received OZ4KPC rather strong, that strong that a live CW 
QSO would be no problem.

Just now @ 23:22  YV0OFP 500 Op2  came in with an increadeble +17 dB! 
(Local pirate call??)

It's a bit frustrating about Opera not knowing what it is actually doing 
and how it works.
Just pushing buttons and looking for results is like a magnetron dinner. 
Could be tasteful but you don't know why.

I'm using an old KWD TS-440 driving a QTX transmitter in split mode 
about 25W in a dense urban area.
TX on 2MHz which goes into a divider by 4 resulting 500kHz.
Using the CW keyer. So moving the carrier to an empty slot is not 
possible. Anyway the software decision will be divided by 4.
A ringmixer arrangement should replace this soon. Which makes it more 
flexible for other modes.

Dutch "OFCOM" were asleep and dictated to use morse only.
A CW id at the end of the transmission will certainly please the Dutch 
authorties.

Think this eve was usefull showing some bugs and some user wishes.
However I can't determine how usefull and better Opera is in relation to 
other deep noise programs.

Jan/pa3abk

NNNN



On 2-1-2012 23:28, Graham wrote:
> Jan,
>
> Still  no  decode  from you  , but see   your  reaching  F4DTL , may  
> be round 2300  I should  see  you ?
>
> When  using  audio  drive , the  software  has a  scan  facility , 
> that places the  carrier  in a  empty slot .. with  vfo  control  , 
> its  pot luck , but the  separation  is very  small  so it should  not 
> be a real problem ..
>
> I think the  beacon  timer  is fixed  and tx  occurs  after the 
> pre-set period
>
> Yes  it  will  decode  multiple signals  / both  speeds  at the  same 
> time
>
> CW ... well  I am  decoding  PA0A (AA)  under the  noise for  most  of 
> the night
>
> Early days  yet ..
>
> 73 -G ..
>
>
>


-- 
pa3abk<->  dordrecht jo21it