diff --git a/imap_processing/ialirt/constants.py b/imap_processing/ialirt/constants.py
index 51705a37a7..67788388ca 100644
--- a/imap_processing/ialirt/constants.py
+++ b/imap_processing/ialirt/constants.py
@@ -50,9 +50,7 @@ class StationProperties(NamedTuple):
     min_elevation_deg: float  # minimum elevation angle in degrees
 
 
-# Verified by Kiel and KSWC Observatory staff.
-# Notes: the KSWC station is not yet operational,
-# but will have the following properties:
+# Verified by Observatory staff.
 STATIONS = {
     "Kiel": StationProperties(
         longitude=10.1808,  # degrees East
@@ -67,9 +65,9 @@ class StationProperties(NamedTuple):
         min_elevation_deg=5,  # 5 degrees is the requirement
     ),
     "Manaus": StationProperties(
-        longitude=-59.969334,  # degrees East (negative = West)
-        latitude=-2.891257,  # degrees North (negative = South)
-        altitude=0.1,  # approx 100 meters
+        longitude=-59.969319,  # degrees East (negative = West)
+        latitude=-2.891215,  # degrees North (negative = South)
+        altitude=0.9578,  # approx 100 meters
         min_elevation_deg=5,  # 5 degrees is the requirement
     ),
     "SANSA": StationProperties(