diff --git a/observations/atmosphere/gnssro_cosmic2.yaml.j2 b/observations/atmosphere/gnssro_cosmic2.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_cosmic2.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_geoopt.yaml.j2 b/observations/atmosphere/gnssro_geoopt.yaml.j2
new file mode 100644
index 0000000..6e0e06e
--- /dev/null
+++ b/observations/atmosphere/gnssro_geoopt.yaml.j2
@@ -0,0 +1,130 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. commgpstop
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265,266,267,268,269
+    test variables:
+    - name: MetaData/impactHeightRO
+    maxvalue: 45000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_grace.yaml.j2 b/observations/atmosphere/gnssro_grace.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_grace.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_k5.yaml.j2 b/observations/atmosphere/gnssro_k5.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_k5.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_metop.yaml.j2 b/observations/atmosphere/gnssro_metop.yaml.j2
new file mode 100644
index 0000000..40d0ec9
--- /dev/null
+++ b/observations/atmosphere/gnssro_metop.yaml.j2
@@ -0,0 +1,141 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 265-269,750-755,44,786,820,825
+  #  test variables:
+  #  - name: MetaData/pccf
+  #  minvalue: 0.1
+  #  maxvalue: 100.1
+  #  actions:
+  #  - name: set
+  #    flag: pccfCheckReject
+  #  - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 3-5,421,440,821
+    test variables:
+    - name: MetaData/qualityFlags
+    minvalue: -0.1
+    maxvalue: 0.9
+    actions:
+    - name: set
+      flag: qfroCheckReject
+    - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #2. metop below 8 km
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 3-5
+    test variables:
+    - name: MetaData/impactHeightRO
+    minvalue: 8000.1
+    action:
+      name: reject
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_paz.yaml.j2 b/observations/atmosphere/gnssro_paz.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_paz.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_piq.yaml.j2 b/observations/atmosphere/gnssro_piq.yaml.j2
new file mode 100644
index 0000000..6e0e06e
--- /dev/null
+++ b/observations/atmosphere/gnssro_piq.yaml.j2
@@ -0,0 +1,130 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. commgpstop
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265,266,267,268,269
+    test variables:
+    - name: MetaData/impactHeightRO
+    maxvalue: 45000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_s6.yaml.j2 b/observations/atmosphere/gnssro_s6.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_s6.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_spire.yaml.j2 b/observations/atmosphere/gnssro_spire.yaml.j2
new file mode 100644
index 0000000..6e0e06e
--- /dev/null
+++ b/observations/atmosphere/gnssro_spire.yaml.j2
@@ -0,0 +1,130 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. commgpstop
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265,266,267,268,269
+    test variables:
+    - name: MetaData/impactHeightRO
+    maxvalue: 45000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_tdm.yaml.j2 b/observations/atmosphere/gnssro_tdm.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_tdm.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------
diff --git a/observations/atmosphere/gnssro_tsx.yaml.j2 b/observations/atmosphere/gnssro_tsx.yaml.j2
new file mode 100644
index 0000000..3b756cb
--- /dev/null
+++ b/observations/atmosphere/gnssro_tsx.yaml.j2
@@ -0,0 +1,128 @@
+-
+
+  # Observation Space (I/O)
+  # -----------------------
+  obs space:
+    name: gnssrobndnbam
+    obsdatain:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}" 
+      obsgrouping:
+        group variables: [ 'sequenceNumber' ]
+        sort variable: 'impactHeightRO'
+        sort order: 'ascending'
+    obsdataout:
+      engine:
+        type: H5File
+        obsfile: "{{atmosphere_obsdataout_path}}/{{atmosphere_obsdataout_prefix}}{{observation_from_jcb}}{{atmosphere_obsdataout_suffix}}"        
+    simulated variables: [bendingAngle]
+
+  # Observation Operator
+  # --------------------
+  obs operator:
+    name: GnssroBndNBAM
+    obs options:
+      use_compress: 1
+      sr_steps: 2
+      vertlayer: full
+      super_ref_qc: NBAM
+      output_diags: true
+
+  # Observation Filters (QC)
+  # ------------------------
+  obs filters:
+  # Apply gross check using pccf
+  # Step 0-A: Create Diagnostic Flags 
+  # Diagnostic flag for pccf
+  - filter: Create Diagnostic Flags
+    filter variables:  
+    - name: bendingAngle 
+    flags:
+    - name: pccfCheckReject
+      initial value: false 
+      force reinitialization: true
+  
+  # Diagnostic flag for qfro
+  - filter: Create Diagnostic Flags
+    filter variables:
+    - name: bendingAngle
+    flags:
+    - name: qfroCheckReject
+      initial value: false
+      force reinitialization: true
+  
+  # Step 0-B: pccf Check for CDACC data  - good: 0.1-100, reject: 0
+  - filter: Bounds Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/satelliteIdentifier
+      is_in: 265-269,750-755,44,786,820,825
+    test variables:
+    - name: MetaData/pccf
+    minvalue: 0.1
+    maxvalue: 100.1
+    actions:
+    - name: set
+      flag: pccfCheckReject
+    - name: reject
+  
+  # Step 0-B: qfro Check - good: 0, reject: 1
+  #- filter: Bounds Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  where:
+  #  - variable:
+  #      name: MetaData/satelliteIdentifier
+  #    is_in: 3-5,421,440,821
+  #  test variables:
+  #  - name: MetaData/qualityFlags
+  #  minvalue: -0.1
+  #  maxvalue: 0.9
+  #  actions:
+  #  - name: set
+  #    flag: qfroCheckReject
+  #  - name: reject
+  
+  #1. gpstop
+  - filter: Domain Check
+    filter variables:
+    - name: bendingAngle
+    where:
+    - variable:
+        name: MetaData/impactHeightRO
+      minvalue: 0
+      maxvalue: 55000.1
+    action:
+      name: reject
+  #2. Background check
+  #- filter: Background Check
+  #  filter variables:
+  #  - name: bendingAngle
+  #  threshold: 10
+  #  action:
+  #    name: reject
+  #  defer to post: true
+  #3. RONBAM cut off check
+  - filter: Background Check RONBAM
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: reject
+    defer to post: true
+  #4. assign obs error 
+  - filter: ROobserror
+    filter variables:
+    - name: bendingAngle
+    errmodel: NBAM
+    defer to post: true
+  #5. Obs error inflate
+  - filter: Perform Action
+    filter variables:
+    - name: bendingAngle
+    action:
+      name: RONBAMErrInflate
+    defer to post: true
+  # --------------------------------