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Re: LF: Schumann bands

To: <[email protected]>
Subject: Re: LF: Schumann bands
From: "henny" <[email protected]>
Date: Wed, 1 Aug 2012 12:05:31 +0200
References: <000e01cd6f09$69380440$0402a8c0@acer> <A2486CAEC2A34E3E93AD8F27A5899464@White>
Reply-to: [email protected]
Sender: [email protected]
Tu for the mail Marcus,
 
decimate input                         16
fft input                               16384
window funct.                     hann
with fs                               11.0250 khz
one fft binair                        42.0570 mhz
noise band width                 63.0856 mhz
fft windows time                  23.777s
overlap from scroll int           15,9%
 
henny pa3cpm
best 73's
----- Original Message -----
Sent: Wednesday, August 01, 2012 12:55 AM
Subject: Re: LF: Schumann bands

Henny,
 
this is an excellent capture! The noise bands surely match the Wikipedia description of the Schumann modes http://en.wikipedia.org/wiki/Schumann_resonances.
 
What is the speed (pixels per second) of your spectrogram? It seems that distinct flashes (the Q-bursts?) are visible in the lower two Schumann bands.
 
Best regards,
Markus (DF6NM)
 

From: henny
Sent: Tuesday, July 31, 2012 12:44 PM
Subject: LF: Fw: E-mail met bijlage (attachment): capt1207310707

Gm LF,
 
Schumann frequencies?
 
henny pa3cpm
73's..
 



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