Message-ID: <006801ce6251$bbd6c290$6401a8c0@JAYDELL>
From: <jrusgrove@comcast.net>
To: <rsgb_lf_group@blacksheep.org>
References: <51AA488C.4020800@eastlink.ca> <Pine.LNX.4.64.1306011949470.26158@plato.ucs.mun.ca> <9F4D930ED1F64F7C974C9F3570FE5DEA@White> <Pine.LNX.4.64.1306021107030.31665@plato.ucs.mun.ca> <106509721.20130603101147@mterrier.net> <Pine.LNX.4.64.1306031628350.5460@plato.ucs.mun.ca> <511259661.20130605104210@mterrier.net> <Pine.LNX.4.64.1306050914500.13749@plato.ucs.mun.ca> <22F50727DAB943178CABF2FE9A731025@GaryAsus> <Pine.LNX.4.64.1306051557480.15660@plato.ucs.mun.ca> <89A40DBD5FD24F7DAF1DC48FF71ABC37@White> <Pine.LNX.4.64.1306052045390.16289@plato.ucs.mun.ca>
Date: Wed, 5 Jun 2013 21:04:01 -0400
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Subject: Re: LF: 137.7770 kHz
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Joe

A look from closer in ... http://www.w1vd.com/grabber.html .

Jay W1VD  WD2XNS  WE2XGR/2




----- Original Message ----- 
From: <jcraig@mun.ca>
To: <rsgb_lf_group@blacksheep.org>
Sent: Wednesday, June 05, 2013 7:34 PM
Subject: Re: LF: 137.7770 kHz


> Hi Stefan, Markus and Jean Pierre F1AFJ (Grabber service),
>
> Thanks for the report, Stefan.  I am happy you have something nice to
> say about my sigs. Its good that they are reaching you when we are so
> close to the solstice.
>
> They were also quite strong around that time on Jean Pierre's grabber as
> well.
>
> As for Markus, he provided what I asked for  -- and now I must say his
> very critical report is most gratefully received. :-)  The problem seems to
> have disappeared after the 10 MHz input to the AD9851 was boosted with
> a BJT amp.  The original interface simply offset the 1.5 V p/p
> to 2.5V DC; the new one bosted it to 0-3V which is more in line with
> the specs for the DDS.  Perhaps the chirps and phase glitches were
> due to RF interfering with the weak 10 MHz input.
>
> I will be happy to try OP32 on another frequency soon.
>
> Thank-you very much for the good news and thanks all around.
> The TX is now again QRV on QRSS30. (2330 UTC)
>
> 73
> Joe
>
>
> On Wed, 5 Jun 2013, Markus Vester wrote:
>
>> Joe,
>>
>> ok, then here comes a particularly un-welcomed report ;-)
>>
>> The problem seems to be solved, and this morning your trace appeared perfectly focused in the 
>> narrow spectrogram. The frequency is 137777.0028, give or take a couple of 100 uHz. How did you 
>> fix it?
>>
>> Would you like to try Op-32 again one of these days, preferably between 137.5 and 137.6 kHz?
>>
>> Best 73,
>> Markus (DF6NM)
>>
>>
>> From: jcraig@mun.ca
>> Sent: Wednesday, June 05, 2013 8:36 PM
>> To: rsgb_lf_group@blacksheep.org
>> Subject: Re: LF: 137.7770 kHz
>>
>>
>> Hi Gary,
>>
>> Thank-you for the report, caputure and for running your FB grabber.
>> I look for sigs on your grabber quite frequently to check the TX.
>>
>> The TX will be on again tonight, (without chirps I hope).  Comments
>> about the phase (especially unfavourable criticism) are solicited and
>> shall be most welcomed.
>>
>> 450 watts, 3.2 amps to a 100m wire at 15m. QRSS30.
>>
>> 73
>> Joe VO1NA
>> ...
>
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