Index: trunk/BNC/todo.txt
===================================================================
--- trunk/BNC/todo.txt	(revision 1682)
+++ trunk/BNC/todo.txt	(revision 1683)
@@ -3,5 +3,9 @@
 BNS
 =========================
-(1) Zero Clock Corrections
+(1) Check transformation from earth-centered-earth-fixed to
+radial-tangential-normal frame in bnsutils.cpp. Should follow
+Gerhards paper 012-2009-SC104-528.
+
+(2) Zero Clock Corrections
 Loukis wishes to have one stream (for combination purposes)
 which provides the original clocks from the BE (no corrections).