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Re: LF: EbNaut and The Cat / Take 3

To: [email protected]
Subject: Re: LF: EbNaut and The Cat / Take 3
From: Claudio Pozzi <[email protected]>
Date: Wed, 25 Nov 2015 21:10:37 +0100
In-reply-to: <[email protected]>
References: <[email protected]om> <[email protected]>
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On Wednesday, November 25, 2015 14:30:42 you wrote:

> Andy,

>  

> maybe you're right, see also Planck's formula

>  E = h f.

>  

>

> But then, maybe not - consider radiated power from a given antenna height

> and current

Prad = i^2 * 1579 ohm * (h / lambda)^2

> which clearly scales with f^2.

 

My 2 dB contribute:

 

h in meters (or ft)

lambda in meters (or ft)

so (h / lambda) is dimensionless scaling factor

 

confirmed by P = i^2 * R

 

Or not?

 

73

Claudio ik2pii

 

 

--

Claudio Pozzi - rispondere a [email protected]

 

 




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