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Re: VLF: Carrier on 4470.005 Hz!

To: [email protected]
Subject: Re: VLF: Carrier on 4470.005 Hz!
From: Paul Nicholson <[email protected]>
Date: Thu, 24 Aug 2017 10:03:46 +0000
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Stefan wrote:

>  i let the TX running without starting EbNaut.

I got no useful signal during daytime on the 22nd.

But I combined the night and day signals, adjusting
for the observed 20 degree nighttime phase lag.

Now we have 14.0 dB S/N in 23.1 uHz, 5 sigma:

 http://abelian.org/vlf/tmp/170824a.png

A detection distance record for the 67km band.
Not bad for 5uW ERP.

--
Paul Nicholson
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