diff --git a/geomagio/Metadata.py b/geomagio/Metadata.py
index f14b6ae620157f3ccb46288965cea6087f628078..3c73200418574c59c53e459d8376ed5a7ecc7cfc 100644
--- a/geomagio/Metadata.py
+++ b/geomagio/Metadata.py
@@ -39,21 +39,23 @@ _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": 20613, "scale": 966.762}],
-                "V": [{"channel": "V_Volt", "offset": 0, "scale": 944.125}],
-                "W": [{"channel": "W_Volt", "offset": 47450, "scale": 975.587}],
+                # TODO: Adjust offset for new FGE sensor & electronics? (installed 3/20/22)
+                "U": [{"channel": "U_Volt", "offset": 20613, "scale": 966.7624}],
+                "V": [{"channel": "V_Volt", "offset": 0, "scale": 944.1253}],
+                "W": [{"channel": "W_Volt", "offset": 47450, "scale": 975.5875}],
             },
             "electronics": {
-                "serial": "TBD",
-                # these scale values are used to convert voltage
-                "x-scale": 966.762,  # nT/V
-                "y-scale": 944.125,  # nT/V
-                "z-scale": 975.587,  # nT/V
+                "serial": "E574",
+                # these scale values are calculated manually.
+                "x-scale": 966.7624,  # nT/V
+                "y-scale": 944.1253,  # nT/V
+                "z-scale": 975.5875,  # nT/V
                 "temperature-scale": 0.01,  # V/K
             },
             "sensor": {
-                "serial": "TBD",
+                "serial": "S0449",
                 # these constants combine with instrument setting for offset
+                # Temporary values until actuals are obtained.
                 "x-constant": 37027,  # nT/mA
                 "y-constant": 36160,  # nT/mA
                 "z-constant": 37365,  # nT/mA
@@ -557,16 +559,17 @@ _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": 313.203}],
-                "V": [{"channel": "V_Volt", "offset": 0, "scale": 312.280}],
-                "W": [{"channel": "W_Volt", "offset": 0, "scale": 311.958}],
+                "U": [{"channel": "U_Volt", "offset": 0, "scale": 313.2034}],
+                "V": [{"channel": "V_Volt", "offset": 0, "scale": 312.2797}],
+                "W": [{"channel": "W_Volt", "offset": 0, "scale": 311.9576}],
             },
+            # this info should get updated when available
             "electronics": {
-                "serial": "E0542",
-                # these scale values are used to convert voltage
-                "x-scale": 313.203,  # nT/V
-                "y-scale": 312.280,  # nT/V
-                "z-scale": 311.958,  # nT/V
+                "serial": "E0543",
+                # these scale values are calculated manually
+                "x-scale": 313.2034,  # nT/V
+                "y-scale": 312.2797,  # nT/V
+                "z-scale": 311.9576,  # nT/V
                 "temperature-scale": 0.01,  # V/K
             },
             "sensor": {
@@ -581,24 +584,57 @@ _INSTRUMENT_METADATA = [
     {
         "network": "NT",
         "station": "TUC",
-        "start_time": None,
+        "start_time": "2023-03-29T00:40:00.000Z",
         "end_time": None,
         "instrument": {
-            "type": "Narod",
+            "type": "FGE",
             "channels": {
-                "U": [
-                    {"channel": "U_Volt", "offset": 0, "scale": 100},
-                    {"channel": "U_Bin", "offset": 0, "scale": 500},
-                ],
-                "V": [
-                    {"channel": "V_Volt", "offset": 0, "scale": 100},
-                    {"channel": "V_Bin", "offset": 0, "scale": 500},
-                ],
-                "W": [
-                    {"channel": "W_Volt", "offset": 0, "scale": 100},
-                    {"channel": "W_Bin", "offset": 0, "scale": 500},
-                ],
+                # each channel maps to a list of components to calculate nT
+                # TODO: calculate these lists based on "FGE" type
+                "U": [{"channel": "U_Volt", "offset": 24024, "scale": 978.355}],
+                "V": [{"channel": "V_Volt", "offset": 0, "scale": 965.901}],
+                "W": [{"channel": "W_Volt", "offset": 39999, "scale": 954.543}],
+            },
+            # this info should get updated when available
+            "electronics": {
+                "serial": "E571",
+                # these scale values are calculated manually
+                "x-scale": 978.355,  # nT/V
+                "y-scale": 965.901,  # nT/V
+                "z-scale": 954.543,  # nT/V
+                "temperature-scale": 0.01,  # V/K
+            },
+            "sensor": {
+                "serial": "S0446",
+                # these constants combine with instrument setting for offset
+                "x-constant": 37471,  # nT/mA
+                "y-constant": 36994,  # nT/mA
+                "z-constant": 36559,  # nT/mA
             },
         },
     },
+    ## Leaving this old object in comments in case we want to save it in the actual database as historical data
+    # {
+    #     "network": "NT",
+    #     "station": "TUC",
+    #     "start_time": None,
+    #     "end_time": "2023-03-29T00:00:00.000Z",
+    #     "instrument": {
+    #         "type": "Narod",
+    #         "channels": {
+    #             "U": [
+    #                 {"channel": "U_Volt", "offset": 0, "scale": 100},
+    #                 {"channel": "U_Bin", "offset": 0, "scale": 500},
+    #             ],
+    #             "V": [
+    #                 {"channel": "V_Volt", "offset": 0, "scale": 100},
+    #                 {"channel": "V_Bin", "offset": 0, "scale": 500},
+    #             ],
+    #             "W": [
+    #                 {"channel": "W_Volt", "offset": 0, "scale": 100},
+    #                 {"channel": "W_Bin", "offset": 0, "scale": 500},
+    #             ],
+    #         },
+    #     },
+    # },
 ]