Date: Thu, 03 Nov 2011 21:57:43 +0100
From: Steinar Aanesland <saanes@broadpark.no>
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Subject: Re: LF: Transmission on 8,97khz in the near future?
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I have to use the audio card so my grabber is going qrt now ;)=3D

la5vna
S


On 03.11.2011 20:55, Steinar Aanesland wrote:
> hi Stefan
>
> It's my environment is probably to nosy , especially around 8khz . =
Take
> a look at my grabber.
>
> My E-field antenna is about 10m from my house.
>
> http://80.202.132.143:8081/
>
> la5vna S
>
>
>
>
>
>
>
>
>
>
> On 01.11.2011 20:55, Stefan Sch=E4fer wrote:
>> Hello Steinar,
>>
>> A few hours ago i wrote an email to some VLF grabber runners. Ther=
e i
>> announced further tests on my fixed antenna here in Heidelberg. Th=
is
>> antenna performs well on LF but on VLF the signals are rather poor=
.
>> Anyway, the QRN is as low as never seen here in the last days so i
>> actually think there could be a chance to see my signal.
>> A next kite experiment is planned as well but unfortunately there =
was
>> no suitable wind since many weeks. It has to be on a weekend, so t=
hat
>> many stations find so time to view... I'll keep an eye on the wind
>> forecast. The experiments on the fixed antenna here are independen=
t of
>> wind of course but the signal will be at least 30 dB lower!
>> You have to have a good prepared SpecLab configuration to see anyt=
hing
>> at all. Something like "DFCW-6000" is needed for the fixed antenna=
 and
>> our distance.
>> It would be interesting to see some "wideband" screenshots from yo=
u
>> before we start, i.e. a plot over several hours, covering 0...24 k=
Hz
>> or so, as seen on almost any VLF grabbers. This helps to identify =
your
>> noise and sensitivity situation. Can you publish such a spectrogra=
m here?
>> If you need further advice, just ask.
>> So, maybe next week i will do a test here on the fixed antenna,
>> radiating about 50 uW ERP.
>>
>> 73, Stefan/DK7FC
>>
>> PS: Lubos/OK2BVG, when will you be on air again?
>>
>>
>>
>> Am 01.11.2011 20:31, schrieb Steinar Aanesland:
>>> Hi all,
>>>
>>> Is there any plans for a transmission on 8,97khz in the near futu=
re?
>>> I have made me an active E-field antenna
>>> (https://sites.google.com/site/sub9khz/antennas/e_field_DK7FC.jpg=
?attredirects=3D0)
>>>
>>> and it could be very interesting to see how well it works .
>>>
>>> la5vna Steinar
>>>
>>>
>>>
>>>   =20
>>
>>
>
>
>
>
>