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[AMPS] a sticky issue.

To: <amps@contesting.com>
Subject: [AMPS] a sticky issue.
From: 2@vc.net (measures)
Date: Sat, 14 Oct 2000 20:08:56 -0700
>
>> >Seems that issue is not that effective resistivity of nichrome increases
>> >with decreasing frequency - I don't think anybody is arguing that. 
>> 
>> 
>> Mr. Rauch has.  He has also argued that most of current flows in the
>> resistor instead of the inductor.  In the 28-November sample problem he
>> proposed, slightly more than half of the current flowed through the
>> inductor
>
>It would be best to look carefully at what was actually said, than 
>what Measures "claims" was said. You'll see large differences, as 
>he lifts things from context and changes facts.
>
Your  proposed 28-Nov. sample problem is still in Will's archive.  With 
no changes whatsoever it torpedos your argument.  This is the likely 
reason you tried to cancel it. 

>> >and the conventional suppressors. If I am recalling the test data
>> >correctly, the nichrome suppressor has higher losses at moderate VHF
>> >frequencies (50 to 100 MHz) - a good thing, at the expense of higher
>> >losses in the HF frequency range (a bad thing). 
>> 
>> So far, no one has reported seeing a drop in HF power.  Presumably, a 1%
>> change on 10m barely shows up on the average meter.  In my opinion, the HF
>> loss issue is a red herring.  
>
>Adding any HF loss while not improving suppression is a bad idea.
>
The AL-1500 reportedly has c. 50% efficiency on 10m.  
later, Tom.  

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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