[TowerTalk] Attic Based Antennas

[jimlux]

Rik van Riel wrote:
> On 09/09/2010 11:05 AM, Mirko S57AD wrote:
>>    Some 40 years ago I've been in almost same situation, dwelling in huge
>> mansion building with attic 50' * 33' (15m * 10m).  I simply made bent
>> dipole around the attic (nailed dipole wire to wooden beams), which
>> performed pretty well for me (local rag-chewing on CW).  I  think it
>> should work pretty well for you as well, with each side of dipole bent
>> in 3 * 20' sides of squared U shape...
>> --------------    ------------
>> |                                    |
>> |                                    |
>> |                                    |
>> |                                    |
>> ----------------O-----------
>>
>> where O is feedpoint of dipole.  (Drawing not in scale, of course, :-D )...
> 
> 
> At the feed point, one can mount something like an LDG
> auto-tuner.  Those devices can handle a pretty high
> SWR and will probably allow you to run the above antenna
> on all the bands 80 and up.
> 
> In a 40x20 attic, you can probably fit about 110' of wire
> by going around the edges as shown in Mirko's diagram.
> 

If you have a tuner at the feedpoint, it's not entirely clear that the 
extra wire buys you much.