[ICOM] IC-756 ProII and preamps/attenuators

[Adam Farson]

Hi Bill,

Many thanks for the kind comments.

The phrase "dBm from Heaven" has a history. As an EE student any years ago,
I recall our Electrical Communications lecturer at University, back in 1963,
explaining the 9 dB S/N advantage of SSB over AM. His statement: "Gentlemen,
here we have kilowatts from Heaven!" was unforgettable.

Last year, my friends George W5YR, Andrew ZS1AN and I were researching the
possibilities of using the Pro2  attenuator and RF gain control to quiet
down background noise without degrading overall S/N.  We dubbed our
procedure "dBm from Heaven", in honour of that lecturer long ago.

Cheers for now, 73,
Adam VA7OJ/AB4OJ


-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of William Lambing
Sent: 11 January 2005 03:48
To: ICOM Reflector
Subject: Re: [ICOM] IC-756 ProII and preamps/attenuators

Adam, you explained it very well and concise.  Best I have ever seen.

73

Bill, WØLPQ
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