diff --git a/.gitignore b/.gitignore
index f3420b850013595beffd539bf3d14c102c50fa7f..093464236a37717059aad760bc3be8d4d433c7cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@ sid/_version.py
 .vscode
 .idea
 sid/interface/*
+
diff --git a/README.md b/README.md
index 9219f834257bb7b1122efe51af36b52004b01343..df813fd0fb2f4df03178810c4a08a10f90b3e722 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,4 @@
 
 This Repo contains the  Following Proto defintions:
 
-*  hosted by the TANGO-GRPC  (StationName:50032) 
\ No newline at end of file
+*  hosted by the TANGO-opah-GRPC  (StationName:50032) 
\ No newline at end of file
diff --git a/proto/tango/antennafield.proto b/proto/opah/antennafield.proto
similarity index 100%
rename from proto/tango/antennafield.proto
rename to proto/opah/antennafield.proto
diff --git a/proto/tango/grafana-apiv3.proto b/proto/opah/grafana-apiv3.proto
similarity index 100%
rename from proto/tango/grafana-apiv3.proto
rename to proto/opah/grafana-apiv3.proto
diff --git a/proto/tango/observation.proto b/proto/opah/observation.proto
similarity index 100%
rename from proto/tango/observation.proto
rename to proto/opah/observation.proto
diff --git a/proto/tango/statistics.proto b/proto/opah/statistics.proto
similarity index 100%
rename from proto/tango/statistics.proto
rename to proto/opah/statistics.proto
diff --git a/tests/test_sid.py b/tests/test_sid.py
index 238892c9e36a499a1f0cd808bf3d5b83ef95e81f..450012360eef858692afa611efd2a017fed5cbef 100644
--- a/tests/test_sid.py
+++ b/tests/test_sid.py
@@ -6,7 +6,7 @@ from unittest import TestCase
 
 from sid.contract import about
 
-from sid.interface.tango.antennafield_pb2 import Antenna_Status
+from sid.interface.opah.antennafield_pb2 import Antenna_Status
 
 
 class SidModule(TestCase):
diff --git a/tox.ini b/tox.ini
index db61acf6a658616bc009ca29141b073af066cb1c..9eccd8148214f92226f24af4eb6bb2beff38eeb4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ deps =
 
 commands_pre =
     {envpython} --version
-    {envpython} -m grpc_tools.protoc -Isid/interface=proto --python_out=. --pyi_out=. --grpc_python_out=. proto/tango/observation.proto proto/tango/antennafield.proto proto/tango/grafana-apiv3.proto proto/tango/statistics.proto
+    {envpython} -m grpc_tools.protoc -Isid/interface=proto --python_out=. --pyi_out=. --grpc_python_out=. proto/opah/observation.proto proto/opah/antennafield.proto proto/opah/grafana-apiv3.proto proto/opah/statistics.proto
 
 
 commands =