This recommendation is available for 35 Swiss francs from:
http://www.itu.int/rec/R-REC-P.368-7-199203-S/en
Mike, G3XDV
==========
On 2 Nov 2009 at 23:58, Clemens Paul wrote:
> Roger,
>
> it's the CCIR- RECOMMENDATION 368-7 .
> There are no free sources on the internet for these graphs
> at least I was not able to find any.
> Maybe DK8KW can help you, he has a graph for 150kHz on his HP
> http://www.qru.de/burg.html
> where you can also find his email address.
>
> 73
> Clemens
> DL4RAJ
>
>
>
> ----- Original Message -----
> From: Roger Lapthorn
> To: [email protected]
> Sent: Saturday, October 31, 2009 1:28 PM
> Subject: LF: 500kHz attenuation graphs?
>
>
> Can someone please point me to any CCIR or similar graphs
> (preferably on the internet) showing
> the attenuation with distance expected on groundwave and skywave at
> 500kHz?
>
> 73s
> Roger G3XBM
>
> --
> -------------------------------------------------------------
> http://g3xbm-qrp.blogspot.com/
> http://www.g3xbm.co.uk
> G3XBM GQRP 1678 ISWL G11088
>
>
>
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