----- Original Message -----
From: Vernall <[email protected]>
To: <[email protected]>
Sent: 10 March 2007 00:23
Subject: LF: Re: Re: ZM2E activity from the end of the month
snip
> I hope your request works. Do you have a limit on how many requests can
be made
> ???
Only if you get neurotic about dodging the thunderbolts !! :-))
Alan
> ----- Original Message -----
> From: "Alan Melia" <[email protected]>
> To: <[email protected]>
> Sent: Saturday, March 10, 2007 12:16 PM
> Subject: LF: Re: ZM2E activity from the end of the month
>
>
> > Hi Bob , I am sure that you are aware of this but do get the guys to
> > remember that it is not ground sunrise/sunset that matters. It is the
> > darkness edge about 1000kms away. You can heft a signal into the dark
zone
> > ionosphere up to an hour before sunset and an hour after sunrise at this
> > part of the sunspot cycle. On good days trans-Atlantic signals have been
> > seen two hours after dawn in Eu.
> >
> > I look forward to your tests and hope for a bit better luck with the
> > conditions. I have submitted a request to Ra for a quiet period but a
> > little
> > geomag activity about 5 days earlier !! :-))
> >
> > It will be a pity if the wind farm QRTs you permanently from that site.
It
> > has been a major landmark in LF development in amateur circles.
> >
> > Best Wishes de Alan G3NYK
> >
> > ----- Original Message -----
> > From: Vernall <[email protected]>
> > To: <[email protected]>
> > Sent: 09 March 2007 22:37
> > Subject: LF: ZM2E activity from the end of the month
> >
> >
> >> Hi all,
> >>
> >> ZM2E is setting up for 136 kHz DX activity from 31 March, for up to
three
> >> consecutive nights. This could be the last time that there is LF
> >> transmitting from Quartz Hill as the district is planned to become a
> >> large
> >> wind turbine project, and all radio antennas could need to be removed
in
> > the
> >> next few months to cater for development.
> >>
> >> We are in private discussion with VO1NA and RU6LA regarding LF QSO
> > attempts.
> >> Expressions of interest are invited from others, as at ZM2E we will try
> > and
> >> cover moderate receiving bandwidth by having multiple Argo sessions
> > running.
> >> If we see an opening with another DX station we will "go fo it",
whoever
> > it
> >> is, and try to make the best use of an incidental propagation lift. As
> >> we
> >> are prepared for three nights of operation, then we are hoping there
will
> > be
> >> multiple "events" arising.
> >>
> >> The previously selected 137.7886/137.7890 kHz 0.4 Hz FSK, using "DFCW"
> >> coding, is the preferred transmission mode for ZM2E. There is very
> >> little
> >> QRM for ZM2E receive (no Loran lines of significance), so we can accept
a
> >> range of receive frequencies within the receiver IF bandwidth, and we
> > could
> >> have three receivers running.
> >>
> >> If we are not in QSO mode before a ZL sunrise, we will go to beacon
mode
> > and
> >> send a string of Z Z Z Z .... at FSK120, with the start of any Z
> >> synchronised to the hour and ten minute rests thereafter, so that EU
> >> monitoring may receive something identifiable from EU sunset.
> >>
> >> 73, Bob ZL2CA
> >>
> >>
> >>
> >
> >
> >
>
>
>
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