[Antennas] Professional MLA measurements & comparisons ?

[Henry Frederick "Meils" Meiseles]

Thank you Brian,

I'll look at that chapter.

73
Henry oz3o n2nr

----- Original Message ----- 
From: "Brian Cake" <bcake at bellsouth.net>
To: "Henry Frederick "Meils" Meiseles" <meils at get2net.dk>; 
<antennas at mailman.qth.net>
Sent: Monday, May 23, 2011 6:40 PM
Subject: Re: [Antennas] Professional MLA measurements & comparisons ?


> Henry,
>
>    I don't know of any professional MLA measurements. However, you might 
> be interested in a chapter in my book "Antenna Designer's Notebook", where 
> I take a detailed look at the theoretical performance of a loop, including 
> all the loss mechanisms. I also describe a loop that has much higher 
> efficiency than a conventional loop.
>
>    The book is published by the ARRL.
>
>    &3
>
>    Brian KF2YN
>
>
> ----- Original Message ----- 
> From: "Henry Frederick "Meils" Meiseles" <meils at get2net.dk>
> To: <antennas at mailman.qth.net>
> Sent: Monday, May 23, 2011 2:55 AM
> Subject: [Antennas] Professional MLA measurements & comparisons ?
>
>
>>I would guess that there are comparative radiation pattern measurement 
>>data available
>> on Magnetic Loop Antennas, particularly since they've been used by US 
>> military.
>>
>> Any nonclassified data available that can be shared?
>>
>> (Is this type of work still done on at Fort Monmouth? Much done there has 
>> been
>> publicized in the past.)
>>
>> I've been reading so many claims  (here in DK) about how fantastic MLA's 
>> are supposed
>> to be compared to dipoles and verticals but my own few experimental MLA's 
>> showed
>> them to be OK in comparison but not more than that.
>>
>> Are they superior for short distance communication via very hi angle 
>> radiation and
>> vertical ionosphere bounce back?  If so that would explain why they would 
>> be useful
>> in jungle and/or mountainous terrain (Viet Nam).
>>
>>
>>
>> Some say that MLA's have to be kept a good distance from metal 
>> structures, others
>> say doing so doesn't have any strong negative influence. My guess is that 
>> the former is right.
>>
>> Henry, Cph.
>>
>> oz3o n2nr
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