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Re: LF: Octo-soundcard for the Raspi, another question

To: [email protected]
Subject: Re: LF: Octo-soundcard for the Raspi, another question
From: DK7FC <[email protected]>
Date: Sat, 24 Jun 2017 02:28:07 +0200
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Hi Paul,

What is the ideal pulse length, amplitude and shape for vlfrx tools?
Can you show a reference graph?

73, Stefan

Am 17.06.2017 19:59, schrieb Paul Nicholson:

> http://abelian.org/vlf/tmp/170617a.gif

> Yes that's it!

Then there's a high pass getting in the way, must be
the input circuit of the Octo.   You'll have to
use a shorter PPS.   2mS to 5mS ought to do it.

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