[TowerTalk] Horizontal Loops

[Joe Giacobello]

Although I've never owned a a horizontal loop, the scuttlebutt I've 
heard over the years has been they're pretty good for DX on the low 
bands.  They must have been high...I guess.

73, Joe

RICHARD BOYD wrote:

>Many people who have horizontal loops have them low, which is thought to be 
>good for a big signal close-in -- some of us have experienced having trouble 
>working close-in stations with antennas that are high -- but a horizontal 
>loop that's at least a half wavelength up should work fine for DX, and I 
>expect will be "quieter" (less QRN reception) than other antennas, at least 
>in some conditions.  73 - Rich, KE3Q
>
>
>----- Original Message ----- 
>From: "Tim Makins, EI8IC" <contesting at eircom.net>
>To: "Tom Rauch" <w8ji at contesting.com>
>Cc: "TowerTalk" <towertalk at contesting.com>
>Sent: Sunday, August 15, 2004 12:30 PM
>Subject: Re: [TowerTalk] Horizontal Loops
>
>
>  
>
>>So, if the loop is big enough, and has the right angles, it becomes a 
>>useful
>>DX antenna ? The next question would have to be: How do you work out the
>>required angles ?
>>
>>I was just wondering what kind of wire antenna for DX might be useful if I
>>put up poles at the 4 corners of an acre of land.
>>
>>73s Tim EI8IC
>>
>>
>>----- Original Message ----- 
>>From: "Tom Rauch" <w8ji at contesting.com>
>>To: "Tim Makins, EI8IC" <contesting at eircom.net>; "TowerTalk"
>><towertalk at contesting.com>
>>Sent: Sunday, August 15, 2004 11:12 AM
>>Subject: Re: [TowerTalk] Horizontal Loops
>>
>>
>>    
>>
>>>>If a folded dipole performs like a normal dipole, why
>>>>        
>>>>
>>>doesn't a horizontal
>>>      
>>>
>>>>loop perform like a rhombic ?
>>>>        
>>>>
>>>Because a Rhombic is diamond-shaped uni- or bi-directional
>>>antenna normally more than 2 WL on a leg and has the angles
>>>adjusted so the lobes from all four sides align at a low
>>>wave angle.
>>>
>>>A loop generally has no particular adjustment of angles or
>>>length.
>>>
>>>A Rhombic also has very poor efficiency along with many
>>>spurious lobes, and so is not really a very high gain
>>>antenna for the physical area. The big Rhombic at ARRL HQ
>>>for example was reported to have about the same signal as a
>>>three element monoband yagi. They do however produce useable
>>>patterns over very wide bandwidths.
>>>
>>>73 Tom
>>>
>>>
>>>_______________________________________________
>>>
>>>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
>>>      
>>>
>>Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
>>any
>>questions and ask for Sherman, W2FLA.
>>    
>>
>>>_______________________________________________
>>>TowerTalk mailing list
>>>TowerTalk at contesting.com
>>>http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>>      
>>>
>>_______________________________________________
>>
>>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
>>Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
>>any questions and ask for Sherman, W2FLA.
>>
>>_______________________________________________
>>TowerTalk mailing list
>>TowerTalk at contesting.com
>>http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>    
>>
>_______________________________________________
>
>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk at contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>  
>