when nic refers to open tunings in the article he is not just referring to daf#ad dgdgbd
I believe these are some of what he used
Canadee-i-o: BbFBbFBbC (CGCGCD)
Humpback Whale: AEAEAA (CGCGCC)
Drowned Lovers, Farewell To The Gold, Barrack St, Little Pot Stove: CFCFAC (DGDGBD)
Planxty Davis: BF*BF*BC* (CGCGCD)
Flandyke Shore: CGCGCD
Courting Is A Pleasure - EbFBbFBbC