diff --git a/spectroscopy/MASTER/midlatitude-summer_C.xml b/spectroscopy/MASTER/midlatitude-summer_C.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b4f770ba4dc6672362c20bcfd2da3ed6f2d91c72
--- /dev/null
+++ b/spectroscopy/MASTER/midlatitude-summer_C.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0"?>
+<arts format="binary" version="1">
+<GasAbsLookup><Array type="ArrayOfSpeciesTag" nelem="7">
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"H2O-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"O2-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"N2-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"O3-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"HNO3-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"HOCl-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"ClO-*-*-*"</SpeciesTag>
+</Array>
+</Array>
+<Array name="NonLinearSpecies" type="Index" nelem="0">
+</Array>
+<Vector name="FrequencyGrid" nelem="493">
+</Vector>
+<Vector name="PressureGrid" nelem="100">
+</Vector>
+<Matrix name="ReferenceVmrProfiles" nrows="7" ncols="100">
+</Matrix>
+<Vector name="ReferenceTemperatureProfile" nelem="100">
+</Vector>
+<Vector name="TemperaturePertubations" nelem="11">
+</Vector>
+<Vector name="NonLinearSpeciesVmrPertubations" nelem="0">
+</Vector>
+<Tensor4 name="AbsorptionCrossSections" nbooks="11" npages="7" nrows="493" ncols="100">
+</Tensor4>
+</GasAbsLookup>
+</arts>
diff --git a/spectroscopy/MASTER/midlatitude-summer_C.xml.bin b/spectroscopy/MASTER/midlatitude-summer_C.xml.bin
new file mode 100644
index 0000000000000000000000000000000000000000..04cce9196e60d4ee86b21436d47f134e3cae6587
Binary files /dev/null and b/spectroscopy/MASTER/midlatitude-summer_C.xml.bin differ
diff --git a/spectroscopy/MASTER/midlatitude-summer_E.xml b/spectroscopy/MASTER/midlatitude-summer_E.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5cabf45eb182cc43cdfb8c966e3dd588ef843c94
--- /dev/null
+++ b/spectroscopy/MASTER/midlatitude-summer_E.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0"?>
+<arts format="binary" version="1">
+<GasAbsLookup><Array type="ArrayOfSpeciesTag" nelem="7">
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"H2O-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"O2-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"N2-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"O3-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"HNO3-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"HOCl-*-*-*"</SpeciesTag>
+</Array>
+<Array type="SpeciesTag" nelem="1">
+<SpeciesTag>"ClO-*-*-*"</SpeciesTag>
+</Array>
+</Array>
+<Array name="NonLinearSpecies" type="Index" nelem="0">
+</Array>
+<Vector name="FrequencyGrid" nelem="750">
+</Vector>
+<Vector name="PressureGrid" nelem="100">
+</Vector>
+<Matrix name="ReferenceVmrProfiles" nrows="7" ncols="100">
+</Matrix>
+<Vector name="ReferenceTemperatureProfile" nelem="100">
+</Vector>
+<Vector name="TemperaturePertubations" nelem="11">
+</Vector>
+<Vector name="NonLinearSpeciesVmrPertubations" nelem="0">
+</Vector>
+<Tensor4 name="AbsorptionCrossSections" nbooks="11" npages="7" nrows="750" ncols="100">
+</Tensor4>
+</GasAbsLookup>
+</arts>
diff --git a/spectroscopy/MASTER/midlatitude-summer_E.xml.bin b/spectroscopy/MASTER/midlatitude-summer_E.xml.bin
new file mode 100644
index 0000000000000000000000000000000000000000..32dc3532fbefbc9aaa64631509b5600292193480
Binary files /dev/null and b/spectroscopy/MASTER/midlatitude-summer_E.xml.bin differ