diff --git a/inputs.cc b/inputs.cc
index 4189176..f4594f9 100644
--- a/inputs.cc
+++ b/inputs.cc
@@ -252,11 +252,15 @@ int loadLIDAR(char *filenames)
                                 height = atoi(pch); // nrows
 
 				if (!dem_alloced) {
+					//Reduce MAXPAGES to increase speed
+					MAXPAGES=fc;
 					if(width>height){
 						IPPD = width;
 					}else{
 						IPPD = height;
 					}
+					// add fudge as reprojected tiles sometimes vary by a pixel or two
+					IPPD+=5;
 					ARRAYSIZE = (MAXPAGES * IPPD) + 10;
 					do_allocs();
 					dem_alloced = 1;
diff --git a/main.cc b/main.cc
index 4f3eb56..3e68c44 100644
--- a/main.cc
+++ b/main.cc
@@ -1039,7 +1039,7 @@ int main(int argc, char *argv[])
 	}
 
 	if (strstr(argv[0], "signalserverLIDAR")) {
-		MAXPAGES = 64; // 8x8
+		MAXPAGES = 100; // 10x10
 		lidar = 1;
 		IPPD = 5000; // will be overridden based upon file header...
 	}
diff --git a/models/cost.cc b/models/cost.cc
index 8b8d757..1936900 100644
--- a/models/cost.cc
+++ b/models/cost.cc
@@ -44,6 +44,7 @@ http://morse.colorado.edu/~tlen5510/text/classwebch3.html
 	}
 	if (mode == 2) {
 		C = 0;		// Medium city (average)
+		lRxH = log10(1.54 * RxH);
 		C_H = 8.29 * (lRxH * lRxH) - 1.1;
 	}
 	if (mode == 3) {