[Amps] roller L standard value per meter band

[skipp isaham]

Hello gang, 
-
The 4cx1000 project that some of you helped 
locate the original text for...  mentions the roller 
L value is set about .16uh per meter of 
operation. 
40 meters would be about 6.4uh of roller 
inductance. 
Is this a generic roller value for this size of 
operation? an approximation by the author? 
...or a x-amount of L/meter value from some 
chart or table? 
I'm curious where this .16uh/meter value 
came from.
 skipp

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