diff --git a/geomagio/Metadata.py b/geomagio/Metadata.py
index 5cb5f74211004ae16c370fd1b74386ee3a680ef2..6d4908792f89cb4216a9a13ea9af688249a6cbc4 100644
--- a/geomagio/Metadata.py
+++ b/geomagio/Metadata.py
@@ -356,9 +356,9 @@ _INSTRUMENT_METADATA = [
             "channels": {
                 # each channel maps to a list of components to calculate nT
                 # TODO: calculate these lists based on "FGE" type
-                "U": [{"channel": "U_Volt", "offset": 0, "scale": 314.28}],
+                "U": [{"channel": "U_Volt", "offset": 35989, "scale": 314.28}],
                 "V": [{"channel": "V_Volt", "offset": 0, "scale": 310.48}],
-                "W": [{"channel": "W_Volt", "offset": 0, "scale": 317.5}],
+                "W": [{"channel": "W_Volt", "offset": 7654, "scale": 317.5}],
             },
             # this info should get updated when available
             "electronics": {
@@ -559,9 +559,9 @@ _INSTRUMENT_METADATA = [
             "channels": {
                 # each channel maps to a list of components to calculate nT
                 # TODO: calculate these lists based on "FGE" type
-                "U": [{"channel": "U_Volt", "offset": 0, "scale": 313.2034}],
+                "U": [{"channel": "U_Volt", "offset": 27047, "scale": 313.2034}],
                 "V": [{"channel": "V_Volt", "offset": 0, "scale": 312.2797}],
-                "W": [{"channel": "W_Volt", "offset": 0, "scale": 311.9576}],
+                "W": [{"channel": "W_Volt", "offset": 24288, "scale": 311.9576}],
             },
             # this info should get updated when available
             "electronics": {
@@ -613,7 +613,7 @@ _INSTRUMENT_METADATA = [
             },
         },
     },
-    ## Leaving these old objects in comments in case we want to save it in the actual database as historical data
+    ## Leaving these old objects in comments in case we want to save them in the actual database as historical data
     # {
     #     "network": "NT",
     #     "station": "TUC",