[TowerTalk] Fwd: Grounding of tower

[gdaught6 at stanford.edu]

Jim wrote...

> actually, the voltage rise due to ohmic loss is a tiny fraction of
> the 
> rise due to L*di/dt.  Typically, a lightning stroke might have a
> di/dt 
> of 10kV/us for a smallish stroke.  With 1 microhenry inductance
> (about a 
> meter of any conductor, strap, wire, any size) that's 10kV.

In the interest of physical accuracy, di/dt can't have the units of kV/us.  What was 
meant is obviously kA/us.

73,

George T Daughters, K6GT
CU in the California QSO Party (CQP)
October 5-6, 2013