Date: Mon, 25 May 2015 22:44:26 -0230 (NDT)
From: jcraig@mun.ca
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: Spectrum Lab & VLF  FIXED (I think)
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Status: O


Just downloaded and ran speclab from Wolf's site and ran
qrss120 without any problems.

Sincere thanks to all who assisted.

The quest for 36 km photons can now continue.

73
Joe VO1NA

On Tue, 26 May 2015, DK7FC wrote:

> Hi Joe,
>
> to short the story, maybe you like to install Teamviewer software and send me 
> a temporary password to i can do the settings on your PC remotely while you 
> can watch what was done.. So far i've done this with success on other 
> computers in YV, SV, JA, UA, YO and a few more :-)
>
> 73, Stefan
>
> Am 26.05.2015 00:24, schrieb jcraig@mun.ca:
>> Hi Edgar, Stefan and Wolf,
>> 
>> Your help is muchly appreciated.  Edgar seems to have no problem
>> switching between qrss60/120.  I tried Stefan's settings but still
>> no sigs on the screen.
>> 
>> The monitor scope is showing a nice little green line with some
>> random noise for QRSS60 and 120.
>> 
>> It seems the signal is getting in but being lost by the computer/sound
>> card for QRSS120.  Perhaps try another computer?
>> 
>> 73 & TNX
>> Joe VO1NA
>> 
>> On Mon, 25 May 2015, wolf_dl4yhf wrote:
>> 
>>> Hello Joe,
>>> 
>>> I will check the QRSS120 configuration soon, maybe I had copied the 
>>> settings from a computer where the input level (soundcard) was rather 
>>> high, and the signal in your case is much weaker.
>>> When turning on the "input monitor" (scope-like gadget), does it show a 
>>> flat green line, or a noisy-looking waveform ?
>>> 
>>> Flat line -> not good (wasting dynamic range of the soundcard's A/D 
>>> converter)
>>> Green waveform -> ok
>>> Red waveform -> not good (not much headroom before clipping)
>>> 
>>> Details: http://www.qsl.net/dl4yhf/speclab/circuits.htm#monitor
>>> 
>>> Cheers,
>>>  Wolf DL4YHF .
>>> 
>>> 
>>> Am 24.05.2015 15:01, schrieb jcraig@mun.ca:
>>>> 
>>>> Dear Group,
>>>> 
>>>> A QRSS60 detection at 5.2 km is the best DX for yours truly to date.
>>>> Although there was a detection at 7 km, this was probably via conduction
>>>> from a nearby mains line. The RX is a DK7FC VLF probe and Spec Lab
>>>> on a laptop.
>>>> 
>>>> The next logical step is to try QRSS120 to get past the 5.78 km boundary.
>>>> To my abject dismay, when doing: Quick Settings/ Slow Morse 
>>>> Reception(QRSS)/ Slow CW, 120 s/dot/ Enter
>>>> AUDIO centre frequency (8277 entered) / OK/no;
>>>> the spectrum screen scrolls across completely blank and the real time
>>>> spectrum on the right shows a flat line.
>>>> 
>>>> Going back to QRSS60, all is just fine.
>>>> 
>>>> Am I or the computer malfunctioning again?
>>>> 
>>>> Many thanks
>>>> Joe VO1NA
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> 
>> 
>
>