Message-ID: <4BBCF39F.80404@telus.net>
Date: Wed, 07 Apr 2010 21:05:35 +0000
From: Scott Tilley <sthed475@telus.net>
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References: <4BB13167.3080404@telus.net>, <4BBA4F6A.9840.F1BA72@mike.dennison.ntlworld.com>, <4BBACEA6.4060703@telus.net> <4BBCB626.30059.18824AC@mike.dennison.ntlworld.com> <004201cad674$7533cd40$6d01a8c0@DELL4> <CF96D480F5494B16B6A5036B93F2C247@Black>
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Subject: Re: LF: VE7TIL Grabber and DCF39 Monitor back online
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Hi Markus

Wonderful suggestion!  Now would make a wonderful time to make the 
transition in data capture as the window between VE7 and EU closes for 
the season.

I will investigate and post when the changes are made.

73 Scott




Markus Vester wrote:
> Dear LF,
>  
> I would very much support Jay's point, and I favour the current 
> frequency allocations for the split TA and Eu slots.
>  
> Scott, how about if you traded in DCF39 for HGA22? It's slightly 
> stronger (100 kW) and a bit further east (Budapest). The idle carrier 
> sits on 135.43, so by tuning to say 135.2 USB, you could (just barely) 
> fit all three in the passband.
>  
> Best wishes,
> Markus (DF6NM)
>  
> ----- Original Message -----
>
>     *From:* jrusgrove@comcast.net <mailto:jrusgrove@comcast.net>
>     *To:* rsgb_lf_group@blacksheep.org
>     <mailto:rsgb_lf_group@blacksheep.org>
>     *Sent:* Wednesday, April 07, 2010 7:04 PM
>     *Subject:* Re: LF: VE7TIL Grabber and DCF39 Monitor back online
>
>     Mike
>
>     Several hundred Hz separation between the W-E and E-W T/A windows
>     would be nice - the old 136.318 /
>     137.777 worked well. Since the EU stations have abandoned 136.318
>     and moved to 137.777 it has been
>     impossible to receive them here in the northeast US due to local
>     activity. This has been pointed out
>     over the past few years...to almost no avail.
>
>     I'd suggest windows separation such that an average cw filter can
>     separate the two. Would sure be
>     nice to get back to looking for EU stations on 137 kHz!
>
>     Jay W1VD  WD2XNS  WE2XGR/2
>
>
>     ----- Original Message -----
>     From: "Mike Dennison" <mike.dennison@ntlworld.com
>     <mailto:mike.dennison@ntlworld.com>>
>     To: <rsgb_lf_group@blacksheep.org
>     <mailto:rsgb_lf_group@blacksheep.org>>
>     Sent: Wednesday, April 07, 2010 11:43 AM
>     Subject: Re: LF: VE7TIL Grabber and DCF39 Monitor back online
>
>
>     > Scott,
>     >
>     > I do not have direct experience of running a grabber, but it
>     seems to
>     > me that your main difficulty is that, even with a SSB bandwidth on
>     > your LF receiver, you cannot cover DCF39 and the Eu DX window at the
>     > same time.
>     >
>     > The window at 136.318kHz was chosen to facilitate transatlantic
>     tests
>     > and two-way QSOs so that the west-east traffic around 137.777kHz did
>     > not clash with east-west traffic. As I recall, there were QRM issues
>     > in Canada or the USA which meant that this was optimum. I do not
>     know
>     > whether these are still relevant.
>     >
>     > I suggest an alternative west-east DX window just below the QRSS3
>     > part of the band, ie around 137.650kHz. Provided this is not
>     used for
>     > daytime transmissions when QRSS3 activity is expected, it should not
>     > cause QRM to other users. I would still suggest using the lower part
>     > of the band for skeds.
>     >
>     > This would enable you and others to add an Argo window that is
>     within
>     > the receiver's passband, but avoids the need for Eu stations to QRM
>     > the 137.777 area in order to check reception on most grabbers.
>     >
>     > Does this help?
>     >
>     > What to other users of 137kHz think?
>     >
>     > Mike
>     > ====
>     >
>     >
>     >
>     >> If you or anyone can assist me in getting the equipment or
>     expertise
>     >> to get this setup I can commit to have it operational from a
>     low noise
>     >> site for the next DX season.
>     >>
>     >> I just welcomed my first child within the last year to the world so
>     >> time is limited but my passion for LF is GREAT ;-)
>     >>
>     >> 73 Scott
>     >>
>     >>
>     >>
>     >>
>     >>
>     >>
>     >> Mike Dennison wrote:
>     >> > OK, all understood. Thanks for considering the idea.
>     >> >
>     >> > 73 de Mike
>     >> > ========
>     >> >
>     >> >
>     >> >> Unfortunately as the main LF RX is tuned to allow reception
>     of the
>     >> >> upper end of the band 137778ish and DCF39 the EU DX window
>     is not
>     >> >> within my passband.
>     >> >>
>     >> >> I hope to have a SDR online sometime in the future which would
>     >> >> resolve this.
>     >> >>
>     >> >> 73,
>     >> >> Scott
>     >> >>
>     >> >>
>     >> >>
>     >> >>
>     >> >> Mike Dennison wrote:
>     >> >>
>     >> >>> This is good news, Scott. Is there any chance of one of your
>     >> >>> grabbers being tuned to the EU DX Tx window of 136.318kHz?
>     >> >>>
>     >> >>> Mike. G3XDV
>     >> >>> ==========
>     >> >>>
>     >> >>>
>     >> >>>
>     >> >>>> I'm pleased to report the noise problem has been resolved and
>     >> >>>> most of the renovations here are complete.  The 2200m
>     grabber and
>     >> >>>> DCF39 monitor are back online.
>     >> >>>>
>     >> >>>> 73 Scott
>     >> >>>> VE7TIL
>     >> >>>> http://www3.telus.net/sthed/argo/
>     >> >>>>
>     >> >>>>
>     >> >>>>
>     >> >>>>
>     >> >>>>
>     >> >>>>
>     >> >>>>
>     >> >>>
>     >> >>>
>     >> >>>
>     >> >>>
>     >> >>
>     >> >
>     >> >
>     >> >
>     >> >
>     >> >
>     >>
>     >>
>     >
>     >
>     >
>
>