Slant A, B, C and D Explained
A is for the Net Control Station. It is sent in his/her net report.
The /B, /C and /D after call signs of stations checking in or after
abbreviated calls in net reports represents their liaison assignment.
B is the liaison TO the Carolinas Net at 10 PM.
C is the liaison FROM the NC Evening Net.
D is the liaison TO/FROM SC SSB Net.