Just remember, there ARE schools full of kids who DO study math, and
engineering. My daughter is one of them (she is on Co-op doing radar systems),
and my son will be doing computer engineering starting next year. He’ll be
going to the same school as his sister(RIT)
--
73 de KG2V
Charlie
> On Feb 20, 2019, at 1:17 AM, Roger (K8RI) <k8ri@rogerhalstead.com> wrote:
>
> No natter how long we're in here there's always something new to learn.
> Thanks for all the work Jim.
>
> Too bad so many of the newer generations of hams have so little interest in
> the technical aspects, but I think that is true for all STEM subjects.
> Wayyyy back and the occupy Wall Street, I remember a girl being interviewed
> who was complaining about all the good paying jobs going to those majoring in
> STEM subjects (paraphrased). The interviewer then asked if she knew that,
> then why not major in one of those subjects. The answer? Oh, those are too
> hard! They expect to find any info they need using Google. If that doesn't
> work then it's too hard.
>
> Each generation has had a label. I guess I'd call the present one, the "Look
> Up Generation", or the Google Generation"
>
> Difficult, maybe, as a student needs to take (and pass) all the needed
> classes ahead of time. The math we use as hams is greatly simplified compared
> to engineering. We normally deal with only static points, or look up points
> on a graph, while engineering deals with dynamic data using Calculus as does
> Computer Science. As hams we can normally "get by" using, at most, basic
> Trig and Algebra. There are now many pages out there where we can just "Plug
> in the numbers" to get answers for many complex problems. The most difficult
> part being, finding those pages.
>
> 73, Roger (K8RI)
>
>
>
>> On 2/3/2019 1:54 PM, Jim Brown wrote:
>>> On 2/3/2019 7:06 AM, Larry Benko wrote:
>>> Not very scientific but common mode circuits are elusive to understand and
>>> simulate.
>>
>> Not true. I've done a lot of research on common mode chokes and published
>> the results, first in 2005, then in 2008, updated in 2010 and 2016, and most
>> recently in 2018. Once you understand the equivalent circuit of a ferrite
>> choke, you can analyze it in the common mode circuit.
>>
>> k9yc.com/RFI-Ham.pdf
>> k9yc.com/2018Cookbook.pdf
>>
>> Beginning on page 41 of RFI-Ham, I related my interface with engineers from
>> CIA, the leader of which subsequently forwarded me an unclassified 1966 DOD
>> study that came to all of the same conclusions I did.
>>
>> 73, Jim K9YC
>>
>> _______________________________________________
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>> RFI@contesting.com
>> http://lists.contesting.com/mailman/listinfo/rfi
>>
>
> --
> Roger (K8RI)
>
>
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