View Single Post
  #16   Report Post  
Old January 28th 14, 11:16 PM posted to rec.radio.amateur.antenna
amdx[_3_] amdx[_3_] is offline
external usenet poster
 
First recorded activity by RadioBanter: Aug 2013
Posts: 154
Default I have question about R L Mathematics

On 1/28/2014 3:50 PM, W5DXP wrote:
On Tuesday, January 28, 2014 2:12:53 PM UTC-6, John S wrote:
Therefore, R = 3072 ohms
and X = 1336 ohms


Looks like it might be #77 ferrite material.


It's a Ferroxcube 3B7 material.
Here's some info.
http://www.ferroxcube.com/Ferroxcube...asheet/3b7.pdf
Don't know how it compares to #77.

Mikek