diff --git a/geomagio/Metadata.py b/geomagio/Metadata.py
index ebdb7b8c19e1033acceb5213cf0640ec2edcf315..4b935a54e934a8658db53fb32c760efab232197c 100644
--- a/geomagio/Metadata.py
+++ b/geomagio/Metadata.py
@@ -99,7 +99,7 @@ _INSTRUMENT_METADATA = [
         "network": "NT",
         "station": "BDT",
         "start_time": UTCDateTime("2024-03-07T00:00:00.000Z"),
-        "end_time": None,
+        "end_time": UTCDateTime("2024-03-13T17:30:00.000Z"),
         "instrument": {
             "type": "FGE",
             "channels": {
@@ -126,6 +126,37 @@ _INSTRUMENT_METADATA = [
             },
         },
     },
+    {
+        "network": "NT",
+        "station": "BDT",
+        "start_time": UTCDateTime("2024-03-13T17:30:00.000Z"),
+        "end_time": None,
+        "instrument": {
+            "type": "FGE",
+            "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": 20982.17, "scale": 966.7624}],
+                "V": [{"channel": "V_Volt", "offset": -2943.59, "scale": 944.1253}],
+                "W": [{"channel": "W_Volt", "offset": 47136.96, "scale": 975.5875}],
+            },
+            "electronics": {
+                "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": "S0449",
+                # these constants combine with instrument setting for offset
+                "x-constant": 37027,  # nT/mA
+                "y-constant": 36160,  # nT/mA
+                "z-constant": 37365,  # nT/mA
+            },
+        },
+    },
     {
         "network": "NT",
         "station": "BOU",