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Re: LF: LF Test signal needed

from [DK7FC] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: LF Test signal needed
From: DK7FC <[email protected]>
Date: Wed, 31 Aug 2016 00:05:17 +0200
In-reply-to: <CAC+C6w6N3qRk_8L5pSrxxUgEJDbBtGbWpfhY0RcWDsC0HiTcbw@mail.gmail.com>
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Hi LF,

Thanks for the test signals and advice.

Well i used my portable LF receiver, an active bandpass (no voltage gain but a high Z input and a 50 Ohm output) as a frontend. There is no earth on the tree so i took a 4m long wire hanging down. The antenna was a simple wire, maybe 1.5 m long hanging into branches. So it was just a first test. Then there was QRM from the tablet PC. It was possible to reduce it but it is not ideal. However i like to follow the idea of LF on the tree, at least i will do tests to see how much better the reception is relative to the city.

DCF39 had an SNR of  about 80 dB in 1 Hz.
I'm quite sure i saw the OP32 signal of G3XDV.

I'll continue to play...

73, Stefan


Am 30.08.2016 18:06, schrieb Domenico IZ7SLZ:

I'm now QRV on 137485.00 Hz in op32

GL Stefan.

73, Domenico iz7slz

On 30 Aug 2016 15:37, "DK7FC" <[email protected]> wrote:

>

> Hi all,
>
> If someone is ready to TX on LF, it would be nice to see something there from now until 18 UTC. Maybe QRSS-3 or OP32 or WSPR or so. I am testing a LF receiver in the tree!!!! It was clear, sooner or later i will be there on LF too. Planning to use the E field.
>
> 73, Stefan
>

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