--- /dev/null
+##############################################################
+Point in the ONwinsor subgrid.
+82d00'00.000"W 42d00'00.000"N 0.0 81d59'59.6104"W 42d0'0.1602"N 0.000
+82d00'01.000"W 42d00'00.000"N 0.0 82d0'0.6104"W 42d0'0.1602"N 0.000
+82d00'02.000"W 42d00'00.000"N 0.0 82d0'1.6104"W 42d0'0.1602"N 0.000
+84d00'00.000"W 42d00'00.000"N 0.0 83d59'59.8593"W 42d0'0.18"N 0.000
+##############################################################
+Try with NTv2 and NTv1 together ... falls back to NTv1
+99d00'00.000"W 65d00'00.000"N 0.0 99d0'1.5885"W 65d0'1.3482"N 0.000
+111d00'00.000"W 46d00'00.000"N 0.0 111d0'3.1549"W 45d59'59.7528"N 0.000
+111d00'00.000"W 47d30'00.000"N 0.0 111d0'2.7989"W 47d29'59.9896"N 0.000