diff --git a/src/intercal/cris.py b/src/intercal/cris.py
index 5beb6ad5b9dbd62309c8788fe963d1355475dc15..3b38ccb097958188f639a2acb91e8d9917062d3e 100644
--- a/src/intercal/cris.py
+++ b/src/intercal/cris.py
@@ -4,7 +4,14 @@ import numpy as np
 def low_res_wavenumbers():
     return np.concatenate([wn_low_res[b] for b in ['lw', 'mw', 'sw']])
 
+def full_res_wavenumbers():
+    return np.concatenate([wn_full_res[b] for b in ['lw', 'mw', 'sw']])
+
 wn_low_res = {'lw': np.linspace(648.75, 1096.25, 717),
               'mw': np.linspace(1207.5, 1752.5, 437),
               'sw': np.linspace(2150, 2555, 163)}
 
+wn_full_res = {'lw': np.linspace(648.75, 1096.25, 717),
+            'mw': np.linspace(1207.5, 1752.5, 869),
+            'sw': np.linspace(2150, 2555, 637)}
+
diff --git a/src/intercal/hs2modis.py b/src/intercal/hs2modis.py
index 30bbd7cc88c8b3f6dc1ad4efee9b7ddc75d79c3d..62dfea1098b528cd156527545aa2bbb4d2860b45 100644
--- a/src/intercal/hs2modis.py
+++ b/src/intercal/hs2modis.py
@@ -61,12 +61,12 @@ def read_airs_chan_data(filename):
 
 class Cris2Modis(object):
 
-    def __init__(self, srf_path):
-
-        self.srf_catalog = ModisSrfCatalog(srf_path)
+    def __init__(self, srf_path, shift_id=0, fsr=False):
 
+        self.srf_catalog = ModisSrfCatalog(srf_path, shift_id=shift_id)
+        self.fsr = fsr
     def __call__(self, band, rad_lw, rad_mw, rad_sw):
-
+        
         nu = self.cris_wavenumber_domain()
         rad_nu = np.concatenate([rad_lw, rad_mw, rad_sw], axis=-1)
 
@@ -81,7 +81,13 @@ class Cris2Modis(object):
 
     def cris_wavenumber_domain(self):
 
-        return np.concatenate([np.linspace(648.75, 1096.25, 717),
+       if self.fsr:
+           return np.concatenate([np.linspace(648.75, 1096.25, 717),
+                               np.linspace(1207.5, 1752.5, 869),
+                               np.linspace(2150, 2555, 637)],
+                              axis=-1)
+       else:
+            return np.concatenate([np.linspace(648.75, 1096.25, 717),
                                np.linspace(1207.5, 1752.5, 437),
                                np.linspace(2150, 2555, 163)],
                               axis=-1)
diff --git a/src/intercal/modis_srf.py b/src/intercal/modis_srf.py
index 903a45ba73b46eed43bf5cb5119d356bc414b329..888d5786c6d672d22537afe23d3aaa4e54e5183a 100644
--- a/src/intercal/modis_srf.py
+++ b/src/intercal/modis_srf.py
@@ -4,11 +4,19 @@ from pyhdf import SD
 from intercal.srf import WavelengthSrf
 from intercal.util import wn2wl
 
-# Spectral shifts from Eva Borbas 2017/06/15
+# Spectral shifts from Eva Borbas 2017/06/15 & 2023/02/15
+"""
+    shift_id:
+    0: no shifts
+    1: Aqua C5/6
+    2: Terra C5/6
+    3: Aqua C6.1
+    4: Terra C6.1
+"""
 shifts = [
     {},
     {
-        # Just for Aqua
+        # Just for Aqua C5/6
         27: 5.0,
         28: 2.0,
         30: 0.0,
@@ -17,13 +25,32 @@ shifts = [
         36: 1.0
     },
     {
-        # Just for Terra
+        # Just for Terra C5/6
         27: 4.0,
         28: 2.0,
         30: 1.0,
         34: 0.8,
         35: 0.8,
         36: 1.0
+    },
+    {
+        # Just for Aqua C6.1
+        27: 3.0,
+        28: 1.0,
+        30: -1.0,
+        34: 0.8,
+        35: 0.8,
+        36: 1.0
+    },
+    {
+        # Just for Terra C6.1
+        25: 2.0,
+        27: 0.0,
+        28: 2.0,
+        30: 1.0,
+        34: 0.8,
+        35: 0.8,
+        36: 1.0
     }
 ]
 
diff --git a/src/setup.py b/src/setup.py
index c89762a2e3718ff68c9c50d7f335827d2997c3ca..b721ad05473abe509f276054f655cc99a2aec0d9 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -2,7 +2,7 @@
 from setuptools import setup, find_packages
 
 setup(name='intercal',
-      version='0.1.6',
+      version='0.1.7',
       packages=find_packages(),
       package_data={'intercal': ['*.nc']},
       install_requires=['numpy', 'netcdf4', 'python-hdf4', 'h5py'],