A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Tony Oz
Date: 2016 Sep 2, 10:07 -0700
plog(x) = log(1) - log(x)
and log(1) = 0. Could it really be that there were distinct tables of plogs of this type?!
Certainly not in that ^ form but it could be as plog(x)=log(3600) - log(x), since one hour is 3600 seconds. I'm sure I fell for your sarcasm. :)