I don't know if this is old hat here but I just found this and thought it maybe of interest to the group. Good info
http://www.nu9n.com/essb.html
Good reading
Good reading
73
Bill/K4FLH
Curmudgeon at large
Illegitimis non carborundum
Bill/K4FLH
Curmudgeon at large
Illegitimis non carborundum