[UK-CONTEST] New HF CW Field Day rules

[Ken Chandler]

Dave
Don't forget you will have not have any height on the ends, not even tree's will be allowed to hold the ends up as these become part of the 22m allocation!!
But even having the apex at 18m its still fairly good!! 

Ken..G0ORH

Sent from my iPhone 


     


On 21 Mar 2012, at 15:11, dave at g4buo.com wrote:

> Good point, but that system at 18m would still be an awful lot better than
> a doublet at 11m. So I repeat my question, is this really much of a
> restriction? And if you choose just to use a doublet you are still getting
> the full benefit of 22m height.
> 
> Dave G4BUO
> 
>> Dave
>> As I see it, and I\'ll stand corrected if I\'m wrong on this, but that
> 4m or
>> so cross arms will need to come off the 22m total support length as its
>> will be deemed as part of the support!!!
>> 
>> regards
>> 
>> Ken..G0ORH
>> 
>> Sent from my iPhone
>> 
>> 
>> 
>> 
>> 
>> On 21 Mar 2012, at 14:39, dave at g4buo.com wrote:
>> 
>>> Perhaps Ed or Ian could explain how the Restricted section is really
>>> restricted any more.
>>> 
>>> Granted, you can still go out with your two 11m masts but does anyone
>>> seriously doubt that a doublet at 22m will outperform a doublet at 11m?
>>> 
>>> So, to be competitive in the Restricted section you now need a tower.
>>> Add
>>> a 4m cross-arm and you can build a very effective 2 element driven
>>> array,
>>> with balanced feeders down to ground level youve got gain and instant
>>> direction reversal, on several bands. So the group that currently drives
>>> to NFD with a few scaffold poles on the car roof rack is going to be
>>> marginalised.
>>> 
>>> While the 22m total height is a good idea, allowing for example a
>>> horizontal loop on three 7m masts if you want, I think it is a mistake
>>> to
>>> remove the 11m height restriction for the so-called Restricted and QRP
>>> sections.
>>> 
>>> And, to be competitive you are also going to have to invest in an
>>> interlock, bandpass filters and perhaps a triplexer. This was great fun
>>> in
>>> WRTC but I simply do not feel it is appropriate for the *Restricted*
>>> section of NFD.
>>> 
>>> Dave G4BUO
>>> 
>>>> 
>>>> Just a postscript -- the initial ideas about antenna rules for the
>>>> Restricted Section were suggested by GM3SEK and GM3ZBE (SK) -- thanks
>>>> to
>>>> both.
>>>> 
>>>> 73,
>>>> 
>>>> Ed Taylor, GW3SQX
>>>> Chairman, RSGB Contest Committee
>>>> 
>>> 
> 
> 
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