RadioBanter - View Single Post - Relationship Between Antenna Efficiency and Received Signal Strength

Jerry Stuckle · January 29th 14, 08:28 PM posted to rec.radio.amateur.antenna

On 1/29/2014 3:09 PM, wrote:
Jerry Stuckle wrote:
On 1/29/2014 11:41 AM, wrote:
Jerry Stuckle wrote:
On 1/29/2014 11:00 AM, wrote:
Jerry Stuckle wrote:

snip

The whole design of the Smith chart was to give an approximation of what
occurs. But you wouldn't know that from the web pages you read.

The whole point of the Smith chart was to provide a tool to solve
practical problems in the real world. The problems solved by the Smith
chart do not need 10 decimal places of accuracy and the accuracy of a
Smith chart is on the same level as a slide rule, which was the standard
instrument for solving problems at the time the Smith chart was invented.

No, a slipstick in the hands of someone proficient in its use is much
more accurate than a Smith Chart.

Utter nonsense; a decent sized Smith chart with a sharp pencil is every
bit as accurate as a slide rule, and for the answers obtained, even more
accurate as a Smith chart does NOT lose digits in intermediate calculations.

I see you never used a slipstick, either. It was a required course when
I was in college - and we had to be QUITE accurate.

Whoop-de-****ing doo; you took a course.

Accurate on a slide rule means 2 significant digits unless you are lucky
and the answer falls somewhere you can get 3 digits.

Accuracy was at least 3-4 significant digits - something required for
engineering before calculators became available.

For involved calculations that means the best you can expect for a final
result is 2 digits that are worth anything.

A Smith chart easily gives 2 significant digits.

Yup, that's about all you can get from a Smith Chart. Maybe 3, if
you're lucky.

All your puffery about approximation is just nonsensee.

You say that because you don't have the math to understand how a Smith
Chart works.

I say that because I have actually used Smith charts to solve real
world problems.

You say that because you don't have the math to understand how a Smith
Chart works.

Oh, shove your superior attitude up you ass.

I understand the math behind a Smith chart quite well, thank you.

You have proven just the opposite.

FYI once the HP65 came out, I abandoned Smith charts, Nyquist plots, and
a whole raft of other such aids for programs on the little tapes I wrote.

Wow. Gee, I'm impressed! ROFLMAO!

The point being, ass hole, it that I HAD to know the math to generate a
program that did the same thing as a Smith chart.

What book did you copy it out of?

Since you don't understand, no one else can, either.

Just another babbling ad hominem from the guy who by declaration is never
wrong about anything.

Just an acute observation about what you say.

ROFLMAO!

And I never said you had to know the math to USE the Smith Chart. I
said you had to know the math to UNDERSTAND the Smith Chart. But you
can't even understand that difference.

You only need to know the math to understand HOW the Smith chart works,
but not to use a Smith chart and get real world answers to real world
problems.

I NEVER said you needed to know the math to USE a Smith Chart. I said
you need the math to UNDERSTAND the Smith Chart. Which you obviously
don't, or you wouldn't be making such comments.

Nope, only if you mean understand how to design a Smith chart.

No, I mean to UNDERSTAND the Smith Chart. Anyone can be an appliance
operator.

Care to define understand?

Do you mean how to use a Smith chart and get results?

Do you mean how to design a Smith chart so it can be printed?

I mean understanding the math behind it so that you understand what it
is telling you - not just the pretty pictures.

You need no math to read SWR from a Smith chart or to know what SWR is.

I never said you couldn't USE it. But you obviously don't UNDERSTAND it.

But then I expect nothing less from the troll.

I expect nothing more but babbling, high horse nonsense from the self
proclaimed master of everything.

No, not master of anything. But I know a lot more than trolls like you do.

Shove your superior attitude up your ass next to your head.

You're now showing your real nature, troll. Don't like to be proven
wrong, do you?

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Jerry Stuckle

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