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Date: | Thu, 24 May 2012 10:35:32 -0400 |
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I made a mistake. The driven element for a quad/delta loop is
1030/frequency.
----- Original Message -----
From: "PATRICK GORMLEY" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, May 24, 2012 8:54 AM
Subject: Re: calculating resonant frequencies for the Extra exam
> micro is hundredths pico is thousands. If it's resonant frequency for an
> antenna that is not a dipole it's 492/frequency. If it's a delta loop or
> quad, the number is 1038/frequency. Just divide the whole number into the
> two or three positions and it will come out right every time. I don't
> have
> a scientiffic calculator but Dick Bash did that very thing back in the
> seventies and that's why he was so popular. It certainly made my life
> easier. 73- pat kk3f
> ----- Original Message -----
> From: "Shawn Pearson" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, May 24, 2012 8:21 AM
> Subject: calculating resonant frequencies for the Extra exam
>
>
>> Howdy:
>>
>> Is there a method to calculate a resonant frequency without having to =
>> go through the unit conversion process(micro, pico), and still end up =
>> with the correct answer in MHz? I don't have a "scientific" calculator,
>> =
>> so would like to avoid unit conversion if possible. The question that =
>> i'm struggling with involves both micro, and pico units, and I would =
>> very much appreciate it if someone on the List was aware of a math =
>> "shortcut" that would simplify answering these questions as much as =
>> possible.
>>
>> Much thanks,
>>
>>
>>
>> David S. Pearson-wa4dsp
>>
>
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