Message-ID: <000d01ce62a6$a5f36cd0$6401a8c0@JAYDELL>
From: <jrusgrove@comcast.net>
To: <rsgb_lf_group@blacksheep.org>
References: <51AA488C.4020800@eastlink.ca> <Pine.LNX.4.64.1306011949470.26158@plato.ucs.mun.ca> <9F4D930ED1F64F7C974C9F3570FE5DEA@White> <Pine.LNX.4.64.1306021107030.31665@plato.ucs.mun.ca> <106509721.20130603101147@mterrier.net> <Pine.LNX.4.64.1306031628350.5460@plato.ucs.mun.ca> <511259661.20130605104210@mterrier.net> <Pine.LNX.4.64.1306050914500.13749@plato.ucs.mun.ca> <22F50727DAB943178CABF2FE9A731025@GaryAsus> <Pine.LNX.4.64.1306051557480.15660@plato.ucs.mun.ca> <89A40DBD5FD24F7DAF1DC48FF71ABC37@White> <Pine.LNX.4.64.1306052045390.16289@plato.ucs.mun.ca> <006801ce6251$bbd6c290$6401a8c0@JAYDELL> <Pine.LNX.4.64.1306060742490.18000@plato.ucs.mun.ca>
Date: Thu, 6 Jun 2013 07:11:52 -0400
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Subject: Re: LF: 137.7770 kHz
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Joe

Many times the rx antenna pattern is directed to the west. The 15 - 20 dB f/b can drop your sigs 
into the noise.

Jay W1VD  WD2XNS  WE2XGR/2




----- Original Message ----- 
From: <jcraig@mun.ca>
To: <rsgb_lf_group@blacksheep.org>
Sent: Thursday, June 06, 2013 6:14 AM
Subject: Re: LF: 137.7770 kHz


> Thanks Jay.
>
> I cant always see the sigs on your grabber and think perhaps
> the aerial does not radiate as well to the west.
>
> 73
> Joe
>
> On Wed, 5 Jun 2013, jrusgrove@comcast.net wrote:
>
>> 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
>>>> ...
>>>
>>> This electronic communication is governed by the terms and conditions at
>>> http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.php
>>>
>>
>>
>>
>
> This electronic communication is governed by the terms and conditions at
> http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.php
>