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We have 413 registered users
The newest registered user is tony

Our users have posted a total of 9198 articles within 1067 topics
 

Recent topics
» Euromillions 6/11/09.
by Yamanx on Fri 06 Nov, 2009 8:45 pm

» FOUNDATION LICENCE
by Mark In Essex on Fri 06 Nov, 2009 3:19 pm

» kenwood to uniden
by ericcson on Fri 06 Nov, 2009 1:18 pm

» The Gunshack.
by YoungGun on Fri 06 Nov, 2009 7:51 am

» VP2 Montserrat on now
by Mark In Essex on Thu 05 Nov, 2009 8:08 pm

» 21 Years this week
by Adrian on Thu 05 Nov, 2009 7:22 pm

» HELLO!
by 26tm777 on Thu 05 Nov, 2009 5:45 am

» Another old shack pic
by Adrian on Wed 04 Nov, 2009 5:57 pm

» The big Net 28
by 26WD40 on Tue 03 Nov, 2009 10:24 pm

» WX IN NOVEMBER 2009
by 26tm777 on Tue 03 Nov, 2009 6:44 pm


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Welcome
Welcome to 11mdx
A freindly place to meet folks with common interests such as dxing.

During periods of peak sunspot activity and Summer sporadic electron propagation, even low-powered 27-MHz-transmitters can sometimes be heard for hundreds or even thousands of miles.








Radio propagation in the Earth's atmosphere is affected by the daily changes of ionization in upper atmosphere layers due to the Sun. Understanding the effects of varying conditions on radio propagation has many practical applications, from choosing frequencies for international shortwave broadcasters, to designing reliable mobile telephone systems, to operation of radar systems. Radio propagation is also affected by several other factors determined by its path from point to point. This path can be a direct line of sight path or an over-the-horizon path aided by refraction in the ionosphere. Factors influencing ionospheric radio signal propagation can include sporadic-E, spread-F, solar flares, geomagnetic storms, ionospheric layer tilts, and solar proton events.





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FORUM RULES
Spammers will be banned.
Conduct yourself in a civil manner at all times.
Directed offensive language is not tolerated.
Individual attacks of any kind will not be tolerated.
Please keep all images to a medium size ie 800x600
Please keep all signature banner sizes within: 470x100
Slander/Naming of people on air correctly/incorrectly is not allowed
11mdx is not connected with any other advertising site, no links please
The Admin/Moderators of this forum reserve the right to edit any posted content.
This is a no nonsence radio forum and any attempt to belittle another member will result in banning.
Please refrain from subjects of political/religous matters on this site, this is not the place for them, they often cause arguements, please discuss them on another forum...
This forum operates a TWO STRIKE system
You have been warned!
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Upcoming Events




The Big Net November 2009

Photobucket





LHC Eyeball 11th July 2010






Bank Holiday August 2009







LHC Eyeball 12th July 2009







Easter Dx 2009




Anyone wanting to advertise or organise an eyeball/dx event please get in touch.


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www.11mdx.co.uk - Freebanding the World....A lesser evil

 

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Last Seen
» Stangman 11.07.09 05:38 
» Adrian 11.07.09 03:55 
» corblimeyguvnar 11.06.09 16:26 
» Yamanx 11.06.09 15:46 
» 108 AW 27 11.06.09 15:21 
» ericcson 11.06.09 15:16 
» Mark In Essex 11.06.09 15:15 
» Simon 11.06.09 14:51 
» YoungGun 11.06.09 14:21 
» DIRTY HARRY 11.06.09 14:16 
» monza 11.06.09 14:12 
» Queball 11.06.09 13:58 
» steve 11.06.09 13:32 
» 26TM027 11.06.09 13:10 
» Nathan 11.06.09 11:54 
» 26WD40 11.06.09 11:14 
» 26OD004 11.06.09 10:32 
» Stronty 11.06.09 08:01 
» SandStorm 11.06.09 07:58 
» 26te52 11.06.09 07:39 
» 26tm777 11.06.09 00:56 
» 26FB101 11.05.09 12:29 
» Colin 11.05.09 12:29 
» UGLY_BOB 11.05.09 12:25 
» 68sd010 derek 11.05.09 11:02 
» WS32 11.04.09 12:09 
» stav 11.04.09 09:48 
» Ken Wood 11.02.09 15:09 
» mcvicer 11.02.09 11:28 
» cavalier 11.02.09 03:02