From 84d08c91e3417d9c87f723d9c6ab50c80702ab52 Mon Sep 17 00:00:00 2001
From: "E. Joshua Rigler" <erigler@usgs.gov>
Date: Wed, 27 Apr 2022 11:50:11 -0600
Subject: [PATCH] Updated GUT calibration factors with more precise values
---
geomagio/Metadata.py | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/geomagio/Metadata.py b/geomagio/Metadata.py
index 43907b79..9c2ad7ca 100644
--- a/geomagio/Metadata.py
+++ b/geomagio/Metadata.py
@@ -358,26 +358,26 @@ _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": 320.0}],
- "V": [{"channel": "V_Volt", "offset": 0, "scale": 320.0}],
- "W": [{"channel": "W_Volt", "offset": 0, "scale": 320.0}],
+ "U": [{"channel": "U_Volt", "offset": 0, "scale": 314.28}],
+ "V": [{"channel": "V_Volt", "offset": 0, "scale": 310.48}],
+ "W": [{"channel": "W_Volt", "offset": 0, "scale": 317.5}],
+ },
+ # this info should get updated when available
+ "electronics": {
+ "serial": "E0542",
+ # these scale values are used to convert voltage
+ "x-scale": 314.28, # V/nT
+ "y-scale": 310.48, # V/nT
+ "z-scale": 317.5, # V/nT
+ "temperature-scale": 0.01, # V/K
+ },
+ "sensor": {
+ "serial": "S0420",
+ # these constants combine with instrument setting for offset
+ "x-constant": 37085, # nT/mA
+ "y-constant": 36637, # nT/mA
+ "z-constant": 37465, # nT/mA
},
- ## this info should get updated when available
- # "electronics": {
- # "serial": "E0542",
- # # these scale values are used to convert voltage
- # "x-scale": 313.2, # V/nT
- # "y-scale": 312.3, # V/nT
- # "z-scale": 312.0, # V/nT
- # "temperature-scale": 0.01, # V/K
- # },
- # "sensor": {
- # "serial": "S0419",
- # # these constants combine with instrument setting for offset
- # "x-constant": 36958, # nT/mA
- # "y-constant": 36849, # nT/mA
- # "z-constant": 36811, # nT/mA
- # },
},
},
{
--
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