| 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 |
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