Return to KLUBNL.PL main page

rsgb_lf_group
[Top] [All Lists]

Re: LF: EARTH MODE

To: "[email protected]" <[email protected]>
Subject: Re: LF: EARTH MODE
From: Chris Trayner <[email protected]>
Date: Sun, 18 Jul 2010 12:03:29 +0100
Accept-language: en-US, en-GB
Acceptlanguage: en-US, en-GB
In-reply-to: <003701cb2667$39072e50$0401a8c0@xphd97xgq27nyf>
References: <002401cb2662$106e5db0$0401a8c0@xphd97xgq27nyf> <[email protected]> <003701cb2667$39072e50$0401a8c0@xphd97xgq27nyf>
Reply-to: [email protected]
Sender: [email protected]
Thread-index: AcsmaNr90L/Ab6AXQduJIAa/LM1jkg==
Thread-topic: LF: EARTH MODE
Hi Mal,

On 2010 Jul 18, at 11:51, mal hamilton wrote:
> Chris
> Receiving signals on a piece of wire lying on the ground is  totally
> different to Transmitting a signal over any distance. You are getting into
> the beverage antenna theory where signals can be received with some
> advantage but useless for Transmitting, which is what some are trying to do.

Good point - you don't really worry about antenna efficiency at LF for Rx, but 
of course you do need to for Tx.
I agree with what you're saying.

73,
Chris G4OKW

-----------------------
Dr Chris Trayner
School of Electronic & Electrical Engineering,
The University of Leeds,
Leeds LS2 9JT, United Kingdom
Tel: +44 113 34 32053
Fax: +44 113 34 32032



<Prev in Thread] Current Thread [Next in Thread>