[Lowfer] modeling (fwd)

Sat, 8 Mar 2003 08:47:26 -0600 (CST)

Ok, THANK YOU!

Unless this is not a good idea, I'll wind the coil to 2.5 millihenries but 
add a few extra turns with taps.  Also, I'm including a variometer.

Thanks a bunch,
Eric

On Sat, 8 Mar 2003, WE0H wrote:

> And my little birdie says 2.5mh and you should be right in the ballpark. I
> think Lyle is out of town or he would have gotten back to you with the exact
> figure.
> 
> Mike>WE0H
> http://www.we0h.us/lf
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> On Behalf Of Eric Smith
> Sent: Saturday, March 08, 2003 8:38 AM
> To: [email protected]
> Subject: [Lowfer] modeling (fwd)
> 
> Seriously, guys, I need some help!
> 
> All I need to know is (approx) the amount of induction I need -- then I
> can use AWG-COIL to figure out the physical properties of the coil
> (length, width, # of turns, etc) myself.
> 
> I'm just having trouble figuring out how much inductance I need for my
> antenna.  Please see antenna details below.
> 
> I appreciate your help in advance!
> Regards,
> Eric
> 
> ---------- Forwarded message ----------
> Date: Fri, 7 Mar 2003 11:23:31 -0600 (CST)
> From: Eric Smith <[email protected]>
> To: [email protected]
> Subject: modeling
> 
> Help!
> 
> I'm having trouble figuring out how much of a loading coil I need using
> NF.  Could one of you run these numbers for me?
> 
> My antenna is 30' from the ground to the top -- 22 gauge.
> My tophat has 4 x 4' radials (5/16" dia) with a 4 x 22 gauge skirts at 1',
> 2', 3', and 4' radius.
> Target frequency is 185 kHz.
> 
> I was successful modeling this thing before I built it -- now I don't know
> what I'm doing wrong.  I want to build the loading coil, but I can't
> figure out how much inductance I need.
> 
> Thanks in advance for your help,
> Eric
> 
> 
> 
> 
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