To: | [email protected] |
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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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