[Lowfer] VLF Alphas

[N8OOU]

Tom;

I run Slackware 14.0 Linux here along with Wine V1.6 and it lets 
Spectrum Lab V2.78 run without any problems. Those are at least 1 
release behind current, maybe 2.  I'd give it a try. I don't know how 
that compares to Mint 17.


73   de   N8OOU - Mike Meek

On 11/20/2014 07:46 AM, n8tl wrote:
> Doug:
>
> Looks good!  I wonder if you can do the same thing with ARGO or
> SPECTRAN?  Is anyone using
> these two for VLF work??  I ask this question since my computer
> operating system is Linux Mint 17, and, both of these programs run well
> on Linux.  Spectrum Lab to my knowledge will not perform on
> Linux.  I can switch in a HDD to WINDOZ, but would rather not if I can
> get away with it.
>
> I will be using Jay's low noise preamp in front of the Line In port,
> but, I need to finish it first.
>
> I'll keep you posted, 73,
>
> Tom N8TL
>
>
>
> On 11/19/2014 03:58 PM, Douglas D. Williams wrote:
>> Tom, Spectrum Lab is WAY more advanced than my skill set (or intelligence
>> level). ;-)
>>
>> I just use the Quick Settings to get to "VLF Radio with station
>> markers on
>> frequency scale".
>>
>> Here is example of what it looks like at my QTH. The solid vertical lines
>> are mostly (all?) military MSK stations for submarine comms or time
>> standards.
>>
>> https://dl.dropboxusercontent.com/u/33457409/z1203%20ungrounded.JPG
>>
>> D.
>>
>> On Wed, Nov 19, 2014 at 3:54 PM, n8tl <n8tl at woh.rr.com> wrote:
>>
>>> Doug:
>>>
>>> The card will sample at 96 Khz.  I also have an EMU-0202 external card
>>> which will do 192 Khz.
>>>
>>> Tom
>>>
>>>
>>>
>>> On 11/19/2014 09:41 AM, Douglas D. Williams wrote:
>>>
>>>> Forgot to mention the maximum frequency you will be able to see will be
>>>> half the sampling rate of your sound card. So if you have a 48 kHz
>>>> sound
>>>> card, you will be able to see up to 24 kHz on Spectrum Lab's display.
>>>>
>>>> D.
>>>>
>>>> On Wed, Nov 19, 2014 at 9:38 AM, Douglas D. Williams <kb4oer at gmail.com>
>>>> wrote:
>>>>
>>>>   Tom, a cheap VLF receiver can be your computer's sound card. If
>>>> you have
>>>>> an e-probe that is sensitive at VLF, you can often connect the
>>>>> receiver
>>>>> output of your DC power coupler directly to the mic or line in on
>>>>> your PC
>>>>> and view the output using Spectrum Lab software (free). Spectrum
>>>>> Lab has
>>>>> some included settings what have common VLF stations already marked on
>>>>> the
>>>>> spectrum display.
>>>>>
>>>>> -Doug
>>>>>
>>>>> On Wed, Nov 19, 2014 at 9:32 AM, Garry Hess <k3siw at sbcglobal.net>
>>>>> wrote:
>>>>>
>>>>>   Tom, the VLF captures were made with a rooftop eprobe and sdr-iq
>>>>>> receiver.
>>>>>>
>>>>>> Re: lowfer EAR: J.B., it's coming in well here too but MLS isn't even
>>>>>> detectable despite being a bit closer.
>>>>>> --
>>>>>> 73, Garry, K3SIW, EN52ta, Elgin, IL
>>>>>>
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