diff --git a/OpenRa.Game/Chrome.cs b/OpenRa.Game/Chrome.cs
index be8c42280e..2966536c79 100644
--- a/OpenRa.Game/Chrome.cs
+++ b/OpenRa.Game/Chrome.cs
@@ -767,7 +767,7 @@ namespace OpenRa.Game
 			var seconds = ticks / 25;
 			var minutes = seconds / 60;
 
-			return "{0}:{1}".F(minutes, seconds % 60);
+			return "{0:D2}:{1:D2}".F(minutes, seconds % 60);
 		}
 
 		void DrawSupportPowerTooltip(string sp, int2 pos)
diff --git a/OpenRa.Game/GameRules/SupportPowerInfo.cs b/OpenRa.Game/GameRules/SupportPowerInfo.cs
index df60930d1f..0f6192c8cd 100644
--- a/OpenRa.Game/GameRules/SupportPowerInfo.cs
+++ b/OpenRa.Game/GameRules/SupportPowerInfo.cs
@@ -9,7 +9,7 @@ namespace OpenRa.Game.GameRules
 	{
 		public readonly bool Powered = true;
 		public readonly bool OneShot = false;
-		public readonly int ChargeTime = 0;
+		public readonly float ChargeTime = 0;
 		public readonly string Image;
 		public readonly string Description = "";
 		public readonly string LongDesc = "";
diff --git a/OpenRa.Game/OpenRa.Game.csproj b/OpenRa.Game/OpenRa.Game.csproj
index 9abbb92717..15182d690a 100644
--- a/OpenRa.Game/OpenRa.Game.csproj
+++ b/OpenRa.Game/OpenRa.Game.csproj
@@ -122,6 +122,7 @@
     <Compile Include="Smudge.cs" />
     <Compile Include="Sound.cs" />
     <Compile Include="SupportPower.cs" />
+    <Compile Include="SupportPowers\GpsSatellite.cs" />
     <Compile Include="SupportPowers\ISupportPowerImpl.cs" />
     <Compile Include="SupportPowers\NullPower.cs" />
     <Compile Include="Support\Stopwatch.cs" />
diff --git a/OpenRa.Game/SupportPower.cs b/OpenRa.Game/SupportPower.cs
index 1669fc0459..3f8bab86a6 100644
--- a/OpenRa.Game/SupportPower.cs
+++ b/OpenRa.Game/SupportPower.cs
@@ -8,6 +8,8 @@ using OpenRa.Game.SupportPowers;
 
 namespace OpenRa.Game
 {
+	// todo: fix this to route Activate through the orders system (otherwise desync in netplay)
+
 	class SupportPower
 	{
 		public readonly SupportPowerInfo Info;
@@ -26,7 +28,7 @@ namespace OpenRa.Game
 		{
 			Info = info;
 			Owner = owner;
-			RemainingTime = TotalTime = (int)info.ChargeTime * 60 * 25;
+			RemainingTime = TotalTime = (int)(info.ChargeTime * 60 * 25);
 			Impl = ConstructPowerImpl(info.Impl);
 		}
 
diff --git a/OpenRa.Game/SupportPowers/GpsSatellite.cs b/OpenRa.Game/SupportPowers/GpsSatellite.cs
new file mode 100644
index 0000000000..a40f959de1
--- /dev/null
+++ b/OpenRa.Game/SupportPowers/GpsSatellite.cs
@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using OpenRa.Game.Effects;
+
+namespace OpenRa.Game.SupportPowers
+{
+	class GpsSatellite : ISupportPowerImpl
+	{
+		const int revealDelay = 30 * 25;
+
+		public void Activate(SupportPower p)
+		{
+			var launchSite = Game.world.Actors
+				.FirstOrDefault( a => a.Owner == p.Owner && a.traits.Contains<Traits.GpsSatellite>() );
+
+			if (launchSite == null)
+				return;
+
+			Game.world.AddFrameEndTask(w =>
+				{
+					w.Add(new SatelliteLaunch(launchSite));
+					w.Add(new DelayedAction(revealDelay, () => p.Owner.Shroud.HasGPS = true));
+				});
+
+			p.FinishActivate();
+		}
+	}
+}
diff --git a/OpenRa.Game/Traits/GpsSatellite.cs b/OpenRa.Game/Traits/GpsSatellite.cs
index f735f941be..3e6f70fd5e 100644
--- a/OpenRa.Game/Traits/GpsSatellite.cs
+++ b/OpenRa.Game/Traits/GpsSatellite.cs
@@ -2,28 +2,5 @@
 
 namespace OpenRa.Game.Traits
 {
-	class GpsSatellite : ITick
-	{
-		int frame = 0;
-		int revealTicks = 30 * 25; // 30 second delay between launch and reveal
-		bool fired = false;
-		
-		public GpsSatellite(Actor self) {}
-		public void Tick(Actor self)
-		{
-			// HACK: Launch after 5 seconds
-			if (++frame == 150)
-				Activate(self);
-
-			if (fired && --revealTicks == 0)
-			{
-				self.Owner.Shroud.HasGPS = true;
-			}
-		}
-		public void Activate(Actor self)
-		{
-			Game.world.AddFrameEndTask(w => w.Add(new SatelliteLaunch(self)));
-			fired = true;
-		}
-	}
+	class GpsSatellite { public GpsSatellite(Actor self) { } }
 }
diff --git a/units.ini b/units.ini
index e6f3f32f3f..abbdf16043 100644
--- a/units.ini
+++ b/units.ini
@@ -889,7 +889,7 @@ OneShot=yes
 Prerequisite=ATEK
 Image=gpssicon
 TechLevel=12
-Impl=NullPower
+Impl=GpsSatellite
 AutoActivate=yes
 
 [InvulnerabilityPower]	; the point of IRON