[Lowfer] VLF Alphas

[Douglas D. Williams]

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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