diff --git a/RP_L4/RPL4GAUG.cpp b/RP_L4/RPL4GAUG.cpp
index 65e5ad3..50dc811 100644
--- a/RP_L4/RPL4GAUG.cpp
+++ b/RP_L4/RPL4GAUG.cpp
@@ -1648,17 +1648,17 @@ void
 	Test_Tell("z= " << zMin << "..." << zMax << "\n");
 
 	//
-	// RP412CAMLOG. Once, not per sweep - this runs at the gauge rate and
-	// would drown the log. Says whether the nav display has a sane centre
-	// and scale at all, which is the first question when the map comes up
-	// empty on a camera station.
+	// RP412CAMLOG, on a clock rather than every sweep - this runs at the
+	// gauge rate and would drown the log. Says whether the nav display has
+	// a sane centre and scale, and repeats so the centre can be seen
+	// tracking (or not tracking) as the camera moves.
 	//
 	if (RPCameraLog())
 	{
-		static int said = 0;
-		if (!said)
+		static Scalar next_bounds_say = 0.0f;
+		if ((Scalar) Now() >= next_bounds_say)
 		{
-			said = 1;
+			next_bounds_say = ((Scalar) Now()) + 5.0f;
 			DEBUG_STREAM << "CamLog: nav scale " << currentScale
 				<< "m across, " << pixelsPerMeter << " px/m, centre "
 				<< viewing_position.x << "," << viewing_position.z
@@ -1703,12 +1703,20 @@ void
 	// drawing steps are not being reached. Reported for the first few
 	// sweeps only - the lists are rebuilt at the gauge rate.
 	//
+	//
+	// Sampled on a clock, NOT for the first N sweeps. The first sweeps run
+	// while the mission is still coming up and nothing has registered
+	// with the renderer yet, so they report zero on a station whose map
+	// then works perfectly - which is exactly the false reading this trace
+	// gave the first time it was written.
+	//
 	if (RPCameraLog())
 	{
-		static int sweeps = 0;
-		if (sweeps < 5)
+		static Scalar next_nav_say = 0.0f;
+		if ((Scalar) Now() >= next_nav_say)
 		{
-			++sweeps;
+			next_nav_say = ((Scalar) Now()) + 5.0f;
+
 			ChainIteratorOf<Entity*> statics(staticEntityList.GetInstanceList());
 			ChainIteratorOf<Entity*> movers(movingEntityList.GetInstanceList());
 			DEBUG_STREAM << "CamLog: nav in bounds - " << statics.GetSize()