Return to KLUBNL.PL main page

[Top] [All Lists]

Re: VLF: 8819.9 Hz in Virginia?

To: [email protected]
Subject: Re: VLF: 8819.9 Hz in Virginia?
From: Paul Nicholson <[email protected]>
Date: Fri, 12 Dec 2014 08:24:36 +0000
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2
Spectrogram covering 24 hours yesterday

A wandering signal from a crystal source of average stability.
These are fairly common when you dig deep enough into the noise.
Fortunately easy to distinguish from a GPS locked amateur signal.

Demonstrates how useless an undisciplined xtal osc is for VLF
(tx and rx).

Paul Nicholson

<Prev in Thread] Current Thread [Next in Thread>