diff --git a/test_orlan_detection.py b/test_orlan_detection.py
index 7b28cd3..738c46a 100644
--- a/test_orlan_detection.py
+++ b/test_orlan_detection.py
@@ -106,6 +106,9 @@ def haversine_distance(lat1, lon1, lat2, lon2):
 
 def rssi_from_distance(distance_km):
     """Calculate RSSI based on distance for Orlan drone"""
+    # Ensure distance_km is a float
+    distance_km = float(distance_km)
+    
     # Orlan drones have powerful military-grade transmission systems
     # Base RSSI at 1km = -55 dBm (stronger than civilian drones)
     base_rssi = -55
@@ -143,6 +146,8 @@ def fetch_devices():
 
 def send_detection(device, drone_lat, drone_lon, distance_km, step, total_steps):
     """Send a detection to the API using EXACT standard payload format"""
+    # Ensure distance_km is a float
+    distance_km = float(distance_km)
     rssi = rssi_from_distance(distance_km)
     
     # Use the EXACT standard payload format - NEVER change this!
@@ -161,7 +166,7 @@ def send_detection(device, drone_lat, drone_lon, distance_km, step, total_steps)
         response = requests.post(f"{API_BASE_URL}/detectors", json=detection_data, verify=False)
         if response.status_code == 201:
             status = "🚨 CRITICAL ALERT" if distance_km <= 5 else "⚠️  DETECTED" if is_detectable(distance_km) else "📡 MONITORING"
-            print(f"{status} - Step {step}/{total_steps}: Distance={distance_km:.1f}km, RSSI={rssi:.0f}dBm")
+            print(f"{status} - Step {step}/{total_steps}: Distance={float(distance_km):.1f}km, RSSI={float(rssi):.0f}dBm")
             return True
         else:
             print(f"❌ Failed to send detection: {response.status_code}")
@@ -245,7 +250,7 @@ def run_orlan_detection_test():
     start_lon = target_device['geo_lon']  # Same longitude
     
     print(f"🛫 Orlan Starting Position: {start_lat:.6f}, {start_lon:.6f}")
-    print(f"📏 Initial Distance: {start_distance:.1f}km")
+    print(f"📏 Initial Distance: {float(start_distance):.1f}km")
     
     # Verify starting position is undetectable
     if is_detectable(start_distance):
@@ -284,7 +289,7 @@ def run_orlan_detection_test():
         # Send detection only if within detectable range
         if detectable:
             if not detection_started:
-                print(f"\n🔍 FIRST DETECTION at {distance_km:.1f}km - Orlan has entered detection range!")
+                print(f"\n🔍 FIRST DETECTION at {float(distance_km):.1f}km - Orlan has entered detection range!")
                 detection_started = True
             
             success = send_detection(target_device, current_lat, current_lon, distance_km, step, total_steps)
@@ -295,15 +300,15 @@ def run_orlan_detection_test():
                 
             # Show escalation messages
             if distance_km <= 5 and not critical_alerts_started:
-                print(f"🚨 CRITICAL ALERT THRESHOLD REACHED at {distance_km:.1f}km!")
+                print(f"🚨 CRITICAL ALERT THRESHOLD REACHED at {float(distance_km):.1f}km!")
                 critical_alerts_started = True
             elif distance_km <= 1:
-                print(f"🔥 IMMEDIATE THREAT: Orlan within {distance_km:.1f}km!")
+                print(f"🔥 IMMEDIATE THREAT: Orlan within {float(distance_km):.1f}km!")
             elif distance_km <= 0.1:
-                print(f"💥 DIRECTLY OVERHEAD: Orlan at {distance_km*1000:.0f}m altitude!")
+                print(f"💥 DIRECTLY OVERHEAD: Orlan at {float(distance_km)*1000:.0f}m altitude!")
         else:
             # Outside detection range
-            print(f"📡 Step {step}/{total_steps}: Distance={distance_km:.1f}km (undetectable, RSSI={rssi_from_distance(distance_km):.0f}dBm)")
+            print(f"📡 Step {step}/{total_steps}: Distance={float(distance_km):.1f}km (undetectable, RSSI={float(rssi_from_distance(distance_km)):.0f}dBm)")
         
         # Variable delay based on distance
         if distance_km > 30:
@@ -321,8 +326,8 @@ def run_orlan_detection_test():
     print("🚨 ORLAN DETECTION TEST COMPLETED")
     print("=" * 70)
     print("Test Summary:")
-    print(f"• Starting distance: {start_distance:.1f}km (undetectable)")
-    print(f"• Detection range entered: ~{MAX_DETECTION_RANGE_KM:.1f}km")
+    print(f"• Starting distance: {float(start_distance):.1f}km (undetectable)")
+    print(f"• Detection range entered: ~{float(MAX_DETECTION_RANGE_KM):.1f}km")
     print(f"• Critical alerts triggered: <5km")
     print(f"• Final position: Directly overhead")
     print(f"• Target device: {target_device['name']}")