Date: Wed, 22 Oct 2014 15:46:19 -0230 (NDT)
From: jcraig@mun.ca
To: rsgb_lf_group@blacksheep.org
In-Reply-To: <0DC0318C56524D73B8FF7022773B6576@F6CNI>
Message-ID: <Pine.LNX.4.64.1410221540210.25918@plato.ucs.mun.ca>
References: <6BF0F1135DB44D52AFFF0448CE54FD98@eplwin764i3>
 <Pine.LNX.4.64.1410191552390.13455@plato.ucs.mun.ca> <6CE5DBDE1EBF4CAA9A3B3F612F772E13@AGB>
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Subject: Re: LF: Re: 136 Khz opera 32 deep search last night km07ks
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Hi Andy,

Not QRV tonight unfortunately.=20
There is still work needed on the exciter.  The 74LS161 is dividing the
dds 7.6 MHz nicely. Will work on the keying next.  QRV tonight, administeri=
ng
a test for a new amateur!

73
Joe VO1NA

On Wed, 22 Oct 2014, Andr=E9 Guy=E9 wrote:

> Hello Joe.
>
> 478.477 is perfectly clear here in France for OP8.
>
> Are you QRV to night ?
>
> @++ Andy F6CNI.
>
> -----Message d'origine-----
> From: jcraig@mun.ca
> Sent: Wednesday, October 22, 2014 6:14 PM
> To: rsgb_lf_group@blacksheep.org
> Subject: Re: LF: 136 Khz opera 32 deep search last night km07ks
>
> Thanks, G..
>
> I have changed my tune.  It seems one gets more attention when singing in
> key!   Thanks to GW0EZY for the report and the other OP32 grabbers and to
> you G. for your help and the new OP bands.  Is 478.477 a good choice
> for OP8?
>
> 73
> Joe VO1NA
>
> On Mon, 20 Oct 2014, Graham wrote:
>
>> Ok Joe ,
>>=20
>> I wondered  why you  where  missing  from the  map , for  last nights
>> sing along  !
>>=20
>> 600 mtrs   mid  band  qrg  now   478.500     with   +/-  50  Hz   pass
>> band ,
>> still  477.000  USB . but the  pass  band  has  been  centred  on 1500  =
Hz
>>=20
>> 73-G,
>>=20
>>=20
>> --------------------------------------------------
>> From: <jcraig@mun.ca>
>> Sent: Monday, October 20, 2014 1:01 PM
>> To: <rsgb_lf_group@blacksheep.org>
>> Subject: Re: LF: 136 Khz opera 32 deep search last night km07ks
>>=20
>>> Hi Markus and Graham,
>>>=20
>>> Thanks for the info on op.  I'll look for a lower QRG in
>>> the passband for 2200m OP32.  Hopefully 478.65 is still OK for OP8.
>>>=20
>>> It is planned to add 630m to the 2200m exciter by replacing the
>>> CMOS 4020 (divide by 16) with a faster 74LS161.  The DDS output is
>>> set at 16f and then divided to improve the resolution and square the
>>> output, but 16x479 kHz is too fast for the 4020.
>>>=20
>>> Thank-you to IZ7SLZ and SV8RV for their reception reports.
>>>=20
>>> 73
>>> Joe VO1NA
>>>=20
>>>=20
>>> On Sun, 19 Oct 2014, Graham wrote:
>>>=20
>>>> Hi Joe ,
>>>>=20
>>>> Quite possibly ,
>>>>=20
>>>> One  of the  unintended  consequences  of  NED !
>>>>=20
>>>> [ Never  Ending Development]
>>>>=20
>>>> The  last  major  upgrade to Opera  , saw the  removal  of  dual  spee=
ds
>>>> for each  band  and the  audio being  centred  on 1500  Hz
>>>>=20
>>>> That  put  the  mid  band  Rf-QRG  at  137.500  with  decoder pass  ba=
nd
>>>> +/- say 45 Hz
>>>>=20
>>>> However ,  decode threshold  and  false  decodes  are  improved ,  wit=
h
>>>> some decodes  showing   with   fade losses of 60%
>>>>=20
>>>> 477K is now  set  at  OP8    478.500  KHz
>>>>=20
>>>>=20
>>>> 73-Graham
>>>>=20
>>>> --------------------------------------------------
>>>> From: <jcraig@mun.ca>
>>>> Sent: Sunday, October 19, 2014 7:26 PM
>>>> To: <rsgb_lf_group@blacksheep.org>
>>>> Subject: Re: LF: 136 Khz opera 32 deep search last night km07ks
>>>>=20
>>>>> Thanks Dionysios and Terry GW0EZY for the reports of the OP
>>>>> transmissions.
>>>>> Thanks also to DF6NM for his grabber and accurate freq measurements.
>>>>> It seems many OP stations have migrated down about 50 Hz.  Did I miss
>>>>> something?
>>>>>=20
>>>>> The TX was running 240 watts 2.2 amps to the 100 m wire.  Will be QRV
>>>>> & QRO again tonight.
>>>>>=20
>>>>> 73
>>>>> Joe VO1NA
>>>>>=20
>>>>> On Sun, 19 Oct 2014, Dionysios Vlachiotis wrote:
>>>>>=20
>>>>>> sv8rv km07ks Opera-32 correlation
>>>>>>
>>>>>>   date      time   call   distance  frequency bandwidth  snr
>>>>>> correlation
>>>>>>=20
>>>>>> 2014-10-19 03:54:24 VO1NA   5905km 137554.746Hz   2mHz -47.6dBOp  92=
%
>>>>>> 15.1dB
>>>>>> 2014-10-19 01:34:22 VO1NA   5905km 137554.746Hz   2mHz -47.0dBOp  84=
%
>>>>>> 16.7dB
>>>>>> 2014-10-18 22:58:33 DF6NM   1510km 137507.749Hz   2mHz -29.9dBOp  97=
%
>>>>>> 20.0dB
>>>>>> 2014-10-18 22:50:32 G3XDV   2266km 137529.800Hz   4mHz -39.3dBOp 100=
%
>>>>>> 20.3dB
>>>>>> 2014-10-18 20:34:20 G3XDV   2266km 137529.800Hz   2mHz -41.7dBOp  92=
%
>>>>>> 19.9dB
>>>>>> 2014-10-18 19:55:44 DF6NM   1510km 137507.749Hz   2mHz -33.0dBOp  88=
%
>>>>>> 19.7dB
>>>>>> 2014-10-18 18:24:46 G3XDV   2266km 137529.797Hz   9mHz -46.7dBOp  91=
%
>>>>>> 17.7dB
>>>>>>=20
>>>>>>=20
>>>>>>=20
>>>>>> 73 de SV8RV
>>>>>> Dionysios Vlachiotis
>>>>>> Zakynthos (Zante) island GREECE
>>>>>=20
>>>>=20
>>>>=20
>>>=20
>>=20
>>=20
>
>
> ---
> Ce courrier =E9lectronique ne contient aucun virus ou logiciel malveillan=
t=20
> parce que la protection avast! Antivirus est active.
> http://www.avast.com
>
>
>
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