update comment describing RDI 4 beams ADCP

aodn · Feb 22, 2022 · 1a4db21 · 1a4db21
1 parent 7d02030
commit 1a4db21
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/Preprocessing/adcpBinMappingPP.m b/Preprocessing/adcpBinMappingPP.m
@@ -69,9 +69,9 @@
     % RDI 4 beams ADCPs:
     % It is assumed that the beams are in a convex configuration such as beam 1
     % and 2 (respectively 3 and 4) are aligned on the pitch (respectively roll)
-    % axis. When pitch is positive beam 3 is closer to the surface while beam 4
-    % gets further away. When roll is positive beam 2 is closer to the surface
-    % while beam 1 gets further away.
+    % axis. For an upward looking ADCP, when pitch is positive beam 3 is closer 
+    % to the surface while beam 4 gets further away. When roll is positive beam 
+    % 2 is closer to the surface while beam 1 gets further away.
     %
     % Nortek 3 beams ADCPs:
     % It is assumed that the beams are in a convex configuration such as beam 1