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Re: LF: 2200m DX

from [Domenico IZ7SLZ] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: 2200m DX
From: Domenico IZ7SLZ <[email protected]>
Date: Wed, 26 Dec 2018 12:41:12 +0100
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Hello Paul, LF

here below some wspr-15 spots of your signal in Apulia, South-East Italy (JN80). QRB=6600 km

 2018-12-26 05:45  N1BUG  0.137623  -39  0  FN55mf  1  IZ7SLZ  JN80nu  6666  61 
 2018-12-26 05:00  N1BUG  0.137623  -38  0  FN55mf  1  IZ7SLZ  JN80nu  6666  61 
 2018-12-26 03:00  N1BUG  0.137623  -36  0  FN55mf  1  IZ7SLZ  JN80nu  6666  61 
 2018-12-26 01:45  N1BUG  0.137623  -34  0  FN55mf  1  IZ7SLZ  JN80nu  6666  61 
 2018-12-26 01:00  N1BUG  0.137623  -35  0  FN55mf  1  IZ7SLZ  JN80nu  6666  61

Hardware setup in use is the same as for LF EbNaut:
miniwhip antenna, JRC NRD-92M receiver, vlfrx-tools software + wspr-x (linux version). Location of the rx station is outside the city and it is a very quite site regarding QRM, unfortunatly there is no possibility, at moment, to get internet working for 'on-line' spotting.

To work WSPR, there is a bash file, based on vlfrx-tools (thanks Paul Nicholson)  that, every 2 and 15 minutes,  reads the raw audio from the Storage Hard drive, creates a wave file with the proper filename, and launches 'wsprd' for wspr-2 and wspr-15 decodes. This is the local log:

The nice advantage of this method is that you can easly 'replay' the raw audio and try to obtain a missing decode by adjusting noise blanker settings. So i'm hoping to catch some of your wspr-2 transmissions; i will investigate soon...

73, Domenico IZ7SLZ
Putignano - Apulia JN80nu







On Tue, 25 Dec 2018 at 20:49, N1BUG <[email protected]> wrote:
Hello Stefan,

Very nice to see the reports from you. Just need a few more dB for
WSPR2. :-)

I will start to TX again at 20z.

73,
Paul



On 12/25/18 1:57 PM, DK7FC wrote:
> Hello Paul,
>
> Nice to see you here.
>
> 6 spots:
>
> Timestamp     Call    MHz     SNR     Drift   Grid    Pwr     Reporter        RGrid   km      az
>   2018-12-25 06:30     N1BUG   0.137623        -35     0       FN55mf          1
>   DK7FC/15     JN49ik          5606    56
>   2018-12-24 07:30     N1BUG   0.137623        -39     0       FN55mf          1
>   DK7FC/15     JN49ik          5606    56
>   2018-12-24 07:00     N1BUG   0.137623        -39     0       FN55mf          1
>   DK7FC/15     JN49ik          5606    56
>   2018-12-24 04:00     N1BUG   0.137623        -37     0       FN55mf          1
>   DK7FC/15     JN49ik          5606    56
>   2018-12-24 03:30     N1BUG   0.137623        -34     0       FN55mf          1
>   DK7FC/15     JN49ik          5606    56
>   2018-12-24 02:30     N1BUG   0.137623        -37     0       FN55mf          1
>   DK7FC/15     JN49ik          5606    56
>
>
> ...all WSPR-15 reports. They al were done inthe time wher ethe VLF
> transmissions stopped.
> 73, GL, Stefan
>
> Am 25.12.2018 13:08, schrieb N1BUG:
>> Wow! It is nice to see so many stations monitoring 2200m lately.
>>
>> Conditions the past two nights have been the best of season for me
>> so far. It reminds me of the short peak (a few days) I had late last
>> winter that was never seen again. I wonder if it will be that way
>> this time... a bright flash and then gone.
>>
>> Last night I received a single weak WSPR2 spot from I6/IW2NKE.
>> WSPRnet claims 6219 km. It is my first over 6000 km. What a lovely
>> Christmas present!
>>
>> It is not really possible to compare reports between Europe and west
>> coast North America. Even the longest west coast path is shorter
>> than my shortest European path, but it seems I do better with the
>> mostly water path than the all land path.
>>
>> I have been transmitting a mix of WSPR15 and WSPR2 for the past two
>> nights. I will continue that for another two nights, then we have
>> some bad weather coming in which will force a shut down. I might
>> discontinue WSPR15 after that break. There were only two WSPR15
>> reporting stations last night.
>>
>> Happy Holiday to all and keep having fun on LF!
>>
>> Paul N1BUG

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