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立方四天线计算器 | Quad Antenna Design Calculato

2013-03-07 点击:0

Cubical Quad Antenna JavaScript Calculator for CB and Amateur Radio Communications


JavaScript PROGRAM by N6ACH Ron vanVarden


thanks to Scott McClements for the round off problem and to Roger KC5LCA for stream-lining the interface

 

Enter the center frequency: mHz 
All directors are optional
Elements
Element -
Total Length
Wire -
One Side
 Spreader -
Half Length
Spreader - 
Total Length
 Element -
Spacing
  INCHES / CM INCHES / CM  INCHES / CM  INCHES / CM INCHES / CM 
Reflector  
Driven 
Director 1
Director 2
Director 3
Director 4
Director 5
Total Boom Length > FEET= INCHES= CM=


 


 

 

Graph, Plot and 7 element quad photo used with permission by Franco IZ1RZO
Drawing used with permission by Buck Rogers Sr.

 


C= Spreader arm Length

Reflector tuning stub