There is an extensive discussion of ferrite rod antennas in Chapter 4 of:
Gibson, David (2004) Channel Characterisation and System Design for
Sub-Surface Communications PhD thesis, Leeds University 2004.
John
F5VLF
On 15 Aug 2011, at 09:46CEST, Roger Lapthorn wrote:
> Although I've little experience of ferrite rods on LF receive I did wind my
> 600uH 500kHz ATU loading coil for my 5w transverter on one. With just a 5m
> top loaded vertical it worked well without saturation problems when sitting
> on the bedroom table. At QRP it is less lossy as less wire is needed.
>
> People have successfully engineered (single turn I think) ferrite rods as TX
> antennas for 10MHz QRPp WSPR. Somewhere I have some information on this. As
> long as saturation is avoided there is some mileage for HF TX applications in
> very compact QRP stations.
>
> Worth some experiments on LF receive Stefan.
>
> 73s
> Roger G3XBM
>
> Via my iPod Touch 4g 2.4GHz handheld.
>
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