diff --git a/PSSS-data.md b/PSSS-data.md
index 83749a0..cfdd859 100644
--- a/PSSS-data.md
+++ b/PSSS-data.md
@@ -40,4 +40,7 @@ and for directly calculated values (**SPECT**):
 
 $`\frac{2.355*RMS}{\text{Center of mass}}`$
 
-where the factor or 2.355 is included to allow these values to be comparable.
\ No newline at end of file
+where the factor or 2.355 is included to allow these values to be comparable.
+
+## Data flow schematic
+<img src="https://docs.google.com/drawings/d/e/2PACX-1vRShOtDRMpQTAY1p5oZKvRcuyLToMvmgzTQHOS_JrdQArvqcul-RoMcIobmKFc8RPgJVjGzULKczS5-/pub?w=1440&amp;h=1080">
\ No newline at end of file