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Re: LF: Re: E-Field Probe calibration question

To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Re: E-Field Probe calibration question
From: "Johan H. Bodin" <jh.bodin@telia.com>
Date: Thu, 01 Apr 2010 17:32:35 +0200
In-reply-to: <4BB4B4FB.1040007@telia.com>
References: <o2kfc7eccec1004010402n7f00e1c3l8b88ea090c0fb8bb@mail.gmail.com> <001d01cad190$aa92e590$0901a8c0@lark> <n2kfc7eccec1004010605n95ffca10ia8bacd2ef2049820@mail.gmail.com> <4BB4B4FB.1040007@telia.com>
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Oops..

I forgot H = E/Zspace = E/(120*Pi) (plane wave in the far field)

where
H is mag. field strength [A/m]
E is elec. field strength [V/m]

/Johan

Johan H. Bodin wrote:
> Andy Talbot wrote:
>> Now, what was the voltage from an untuned loop, again ;-?
> 
> V = 2*Pi*f*N*A*u0*H = 2*Pi*f*N*A*B
> 
> Where
> f [Hz]
> N [turns]
> A [m^2]
> H [A/m]
> B [Tesla]
> u0 = 4*Pi*10^-7
> 
> If not properly aligned with the field, multiply by cos(angle).
> 
> http://vk1od.net/antenna/SmallUntunedSquareLoop/
> http://sidstation.lionelloudet.homedns.org/antenna-theory-en.xhtml
> 
> 73
> Johan SM6LKM
> 
> 


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