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Re: LF: Re: Loop TX antennas at VLF?

To: [email protected]
Subject: Re: LF: Re: Loop TX antennas at VLF?
From: John Bruce McCreath <[email protected]>
Date: Fri, 18 Mar 2011 14:06:06 -0400
In-reply-to: <59F87B1BA5D04A2F98902CF94C38DB30@JimPC>
References: <[email protected]> <59F87B1BA5D04A2F98902CF94C38DB30@JimPC>
Reply-to: [email protected]
Sender: [email protected]
Hi Jim, LFers,


> A 10m x 10m, 100m^2 loop of  "thickish" 3mm dia solid wire would have a 
> resistance at 9kHz of roughly 0.1ohm.
> With 100W available, 32A antenna current should be possible, assuming 
> negligible tuning capacitor losses.
> Inductance would be of the order of 40uH. A tuning capacitor of roughly 8uF 
> would be needed.

Would the oil-filled motor run caps work in this application?  If so, they are 
readily available and inexpensive.

73, J.B., VE3EAR

LowFER Beacon "EAR"
188.830 kHz. QRSS30
EN93dr






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