...and your children will have good jobs! :) Nice work, you taught
them well!
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
On 2/20/19 2:32 AM, Charles Gallo wrote:
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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Roger (K8RI)
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