diff --git a/observations/atmosphere/amsua_n19.yaml.j2 b/observations/atmosphere/amsua_n19.yaml.j2
index 319eed08..59bf953d 100644
--- a/observations/atmosphere/amsua_n19.yaml.j2
+++ b/observations/atmosphere/amsua_n19.yaml.j2
@@ -6,8 +6,8 @@
     name: AMSUA N19
     obsdatain:
       engine:
-        type: H5File
-        obsfile: "{{atmosphere_obsdatain_path}}/{{atmosphere_obsdatain_prefix}}{{observation_from_jcb}}{{atmosphere_obsdatain_suffix}}"
+        {% set rendered_input = '{"1b": "' ~ atmosphere_obsdatain_prefix ~ '1bamua' ~ atmosphere_obsdatain_suffix_bufr ~ '"}' %}
+        {{ get_obs_engine(observation_from_jcb, 'atmosphere', script_input=rendered_input)}}
     obsdataout:
       engine:
         type: H5File
diff --git a/test/client_integration/gdas-atmosphere-templates.yaml b/test/client_integration/gdas-atmosphere-templates.yaml
index 3ac63c49..18a58f7a 100644
--- a/test/client_integration/gdas-atmosphere-templates.yaml
+++ b/test/client_integration/gdas-atmosphere-templates.yaml
@@ -93,8 +93,10 @@ crtm_coefficient_path: "DATA/crtm/"
 
 # Naming conventions for observational files
 atmosphere_obsdatain_path: DATA/obs
+atmosphere_obsdatain_script_path: DATA/obs
 atmosphere_obsdatain_prefix: OPREFIX
 atmosphere_obsdatain_suffix: ".2024020100.nc"
+atmosphere_obsdatain_suffix_bufr : ".2024020100.bufr_d"
 
 atmosphere_obsdataout_path: DATA/diags
 atmosphere_obsdataout_prefix: diag