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Re: LF: RE: Re. 73KHz T/A

To: [email protected]
Subject: Re: LF: RE: Re. 73KHz T/A
From: "Mike Dennison" <[email protected]>
Date: Wed, 6 Jun 2001 09:35:08 +0100
In-reply-to: <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>
Could this path be enhanced by the  Earth  / Ionosphere waveguide
propagation mode, prevalent at lower frequencies.   I know it is rather too high
frequency to be normally considered for this mode, but with a D layer 'height'
of around 75km (is that right ?)  the waveguide guide width is something like 8
wavelengths so something may be feasible.
Andy  G4JNT

I had always understood that you needed gigantic powers to get into this mode, but once there the path losses were very small.

Congratulations to Laurie and John. Are there any pictures?


Mike, G3XDV (IO91VT)
http://www.lf.thersgb.net



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