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RE: LF: Hartmut's Grabber -- QRP TA

To: "[email protected]" <[email protected]>
Subject: RE: LF: Hartmut's Grabber -- QRP TA
From: Bob Raide <[email protected]>
Date: Fri, 10 Jan 2014 14:29:58 -0500
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I was about to announce that I would be transmitting in the odd hour slots-start 15 minutes after till 30 mins after and agn 45 minutes after till top of the hour.  Will that mess things up?  Bob WE2XEB ny
 
> Date: Fri, 10 Jan 2014 15:51:57 -0330
> From: [email protected]
> To: [email protected]
> Subject: Re: LF: Hartmut's Grabber -- QRP TA
>
> Hi Markus,
>
> That is most interesting. I remember that occasion when TX was on later
> than usual. It will take a bit of tinkering to get the phase coherent exciter
> to the class E TX, but this is long overdue anyway. Would you like
> a continuous QRP carrier without any keying?
>
> Best Regards
> Joe VO1NA
>
> On Fri, 10 Jan 2014, Markus Vester wrote:
>
> > Joe,
> >
> > when you were sending CW a couple of days ago, the coherent carrier was detectable in my 438 uHz spectrogram in broad daylight, until 12 UT! So I'm wondering how a low power straight carrier would fare during night and day?
> >
> > Best 73,
> > Markus
> >
> >
> >
> > From: [email protected]
> > Sent: Friday, January 10, 2014 7:44 PM
> > To: [email protected]
> > Subject: Re: LF: Hartmut's Grabber -- QRP TA
> >
> >
> > Hi Hartmut,
> >
> > Yes, DCF39 must be a real pest as it is so close geographically and
> > in frequency. You seem to be dealing with it very effectively.
> > Thank-you for running the grabber.
> >
> > It's a pest over here too, but sometimes useful to check the RX system.
> >
> > The TX will be on again tonight. In keeping with the spirit of energy
> > conservation being requested by our power company, the TX will run
> > at <5 watts tonight to the 100m wire. I hope to watch for the signals
> > on your grabber.
> >
> > Cheers
> > Joe VO1NA
> >
> > On Fri, 10 Jan 2014, Hartmut Wolff wrote:
> >
> >> Hello Joe,
> >>
> >> thank you for your kind words!
> >>
> >> Still struggling here with my local Pest DCF39. Between 03:15 and 04:40 UTC
> >> DCF39 was sending a higher pulse frequence. That is the reason of the higher
> >> noise level at that time and poorer reception of your beacon.
> >>
> >> Thank you for your signal!
> >>
> >> 73
> >> Hartmut
> >>
> >>
> >> Am 2014-01-10 13:26, schrieb [email protected]:
> >>>
> >>> Hello Hartmut and Group,
> >>>
> >>> Even with only 65 watts from the TX, strong QRSS100 signals were seen on
> >>> Hartmut's grabber at 137.777 so the power was cut to <10 watts by
> >>> reducing the drain voltage of the class E amp to 12 V. The grabber
> >>> traces faded substantially, but rebounded to clearly readable around
> >>> 0630 utc.
> >>>
> >>> Congrats on your impressive RX setup, Martmut!
> >>>
> >>> 73
> >>> Joe VO1NA
> >>>
> >>>
> >>
> >>
> >>
> >>
> >>
> >
> >
>
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