XG3 RF signal source as a CW beacon

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XG3 RF signal source as a CW beacon

wayne burdick
Administrator
Has anyone tried using the XG3's CW message facility to create a 10-  
or 6-meter beacon? Just add antenna :)

At 0 dBm output, the signal would be 50 dB below 100 watts. If the 100-
W signal would have been S9+30 dB at the receiver, the XG3's signal  
would be at around S4.

If anyone sets up a beacon, please post the frequency to the list so  
we can all tune in.

73,
Wayne
N6KR

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Re: XG3 RF signal source as a CW beacon

David Pratt
This raises something that has puzzled me for a while, Wayne.  Are you
saying that a 50dB POWER reduction at the transmitter equates to a 50dB
VOLTAGE reduction at the receiver?

73 de David G4DMP

In a recent message, Wayne Burdick <[hidden email]> writes
>At 0 dBm output, the signal would be 50 dB below 100 watts. If the 100-
>W signal would have been S9+30 dB at the receiver, the XG3's signal
>would be at around S4.
>
--
 + - - - - - - - - - - - - - - - - +
 | David M Pratt, Kippax, Leeds.   |
 | Website: http://www.g4dmp.co.uk |
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Re: XG3 RF signal source as a CW beacon

Alan Bloom
The decibel is always a power ratio.  So for example, 20 dB is a 100:1
power ratio.  If the impedance is the same, that works out to a 10:1
voltage ratio.

Alan N1AL


On Tue, 2011-06-21 at 06:00 +0100, David Pratt wrote:
> ... Are you
> saying that a 50dB POWER reduction at the transmitter equates to a 50dB
> VOLTAGE reduction at the receiver?


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Re: XG3 RF signal source as a CW beacon

David Pratt
Yes, that is what I understood, Alan.

73 de David G4DMP

In a recent message, Alan Bloom <[hidden email]> writes
>
>The decibel is always a power ratio.  So for example, 20 dB is a 100:1
>power ratio.  If the impedance is the same, that works out to a 10:1
>voltage ratio.



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