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Xy3lon4,
Where you might be making a mistake is believing that any 'program' is going to tell you the exact thing you need to know. The difference between the number of turns the program said, and what's actually there (0.3% of a circle) is usually the difference between the 'perfect' circumstances and the 'real life' circumstances. That difference can be accounted for by the coil's housing, where the antenna is mounted, and all those other things like that.
Don't misunderstand, though. Using formulas and a pencil, or a programs is certainly not unreasonable! If you can account for all the little variables it'll even give you an 'exact' answer. Otherwise, it'll just get you into the 'ball park'. Getting a 'good seat', popcorn, and beer is still up to you. (RATS!)
- 'Doc

Okay, 0.3% was wrong, more like 30%. I'm tired of correcting spelling mistakes, don't feel like re-doing it.

<blockquote data-quote="W5LZ" data-source="post: 87079" data-attributes="member: 129">Xy3lon4,Where you might be making a mistake is believing that any &#039;program&#039; is going to tell you the exact thing you need to know.&nbsp; The difference between the number of turns the program said, and what&#039;s actually there (0.3% of a circle) is usually the difference between the &#039;perfect&#039; circumstances and the &#039;real life&#039; circumstances.&nbsp; That difference can be accounted for by the coil&#039;s housing, where the antenna is mounted, and all those other things like that.Don&#039;t misunderstand, though.&nbsp; Using formulas and a pencil, or a programs is certainly not unreasonable!&nbsp; If you can account for all the little variables it&#039;ll even give you an &#039;exact&#039; answer.&nbsp; Otherwise, it&#039;ll just get you into the &#039;ball park&#039;.&nbsp; Getting a &#039;good seat&#039;, popcorn, and beer is still up to you. (RATS!)&nbsp;- &#039;DocOkay, 0.3% was wrong, more like 30%.&nbsp; I&#039;m tired of correcting spelling mistakes, don&#039;t feel like re-doing it.</blockquote>

[QUOTE="W5LZ, post: 87079, member: 129"] Xy3lon4, Where you might be making a mistake is believing that any 'program' is going to tell you the exact thing you need to know. The difference between the number of turns the program said, and what's actually there (0.3% of a circle) is usually the difference between the 'perfect' circumstances and the 'real life' circumstances. That difference can be accounted for by the coil's housing, where the antenna is mounted, and all those other things like that. Don't misunderstand, though. Using formulas and a pencil, or a programs is certainly not unreasonable! If you can account for all the little variables it'll even give you an 'exact' answer. Otherwise, it'll just get you into the 'ball park'. Getting a 'good seat', popcorn, and beer is still up to you. (RATS!) - 'Doc Okay, 0.3% was wrong, more like 30%. I'm tired of correcting spelling mistakes, don't feel like re-doing it. [/QUOTE]

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