[Lowfer] HF data burst

[craig wasson]

Sounds a lot like the short data bursts from my Ted5000 energy monitor on
125KHz or the ones from my Enphase solar inverters on 143KHz.    Those I
believe are simple fsk at a few thousand bits/sec.      Maybe someone here
can run that audio through a selection of decoders to see if anything pops
up?

Craig - N6IO



On Thu, Oct 13, 2016 at 11:34 AM, Dexter McIntyre W4DEX <dexter.mc at gmail.com
> wrote:

> For probably over a year I have been hearing on multiple HF frequencies
> what sounds like a momentary burst of 4 data pulses.   It often repeats
> every few minutes then either quits or moves frequency.  A sample just
> recorded on 60 meters at the link below:
>
> http://www.w4dex.com/hf-data-4pluse.wav
>
> I don't believe it's local as others at a distance have reported hearing
> the same.
>
> Any idea what the source is?
>
> Dex
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