diff --git a/examples/wifi_loopback.grc b/examples/wifi_loopback.grc
index 4dc98dd..91e7fcd 100644
--- a/examples/wifi_loopback.grc
+++ b/examples/wifi_loopback.grc
@@ -30,7 +30,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 11)</value>
+      <value>(8, 5)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -40,6 +40,10 @@
       <key>generate_options</key>
       <value>wx_gui</value>
     </param>
+    <param>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
     <param>
       <key>id</key>
       <value>wifi_loopback</value>
@@ -97,7 +101,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(224, 11)</value>
+      <value>(176, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -152,7 +156,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(424, 14)</value>
+      <value>(448, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -207,7 +211,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1064, 11)</value>
+      <value>(752, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -258,7 +262,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 67)</value>
+      <value>(8, 69)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -293,7 +297,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(136, 11)</value>
+      <value>(632, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -344,7 +348,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>10</value>
+      <value>20</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -352,7 +356,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(336, 11)</value>
+      <value>(336, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -419,7 +423,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(24, 205)</value>
+      <value>(64, 277)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -462,7 +466,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(176, 131)</value>
+      <value>(296, 181)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -513,7 +517,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(440, 437)</value>
+      <value>(672, 600)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -560,11 +564,11 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(136, 629)</value>
+      <value>(48, 520)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>270</value>
     </param>
     <param>
       <key>id</key>
@@ -619,7 +623,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(616, 419)</value>
+      <value>(848, 575)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -682,7 +686,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(272, 419)</value>
+      <value>(504, 575)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -733,7 +737,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(224, 211)</value>
+      <value>(272, 285)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -784,7 +788,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(392, 133)</value>
+      <value>(584, 184)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -831,7 +835,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(112, 291)</value>
+      <value>(112, 381)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -874,7 +878,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(432, 293)</value>
+      <value>(624, 368)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -941,7 +945,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(408, 579)</value>
+      <value>(184, 627)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1028,11 +1032,11 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(200, 523)</value>
+      <value>(336, 391)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>180</value>
     </param>
     <param>
       <key>grid_pos</key>
diff --git a/examples/wifi_phy_hier.grc b/examples/wifi_phy_hier.grc
index 318581f..26d0447 100644
--- a/examples/wifi_phy_hier.grc
+++ b/examples/wifi_phy_hier.grc
@@ -40,6 +40,10 @@
       <key>generate_options</key>
       <value>hb</value>
     </param>
+    <param>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
     <param>
       <key>id</key>
       <value>wifi_phy_hier</value>
@@ -89,7 +93,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(296, 11)</value>
+      <value>(400, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -116,7 +120,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(408, 11)</value>
+      <value>(560, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -143,7 +147,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(136, 11)</value>
+      <value>(192, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -170,7 +174,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(216, 11)</value>
+      <value>(296, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -205,7 +209,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(976, 589)</value>
+      <value>(976, 576)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -248,7 +252,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(600, 517)</value>
+      <value>(600, 496)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -291,7 +295,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(384, 605)</value>
+      <value>(376, 600)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -334,7 +338,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(448, 805)</value>
+      <value>(424, 792)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -389,7 +393,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(232, 605)</value>
+      <value>(224, 600)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -440,7 +444,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1128, 672)</value>
+      <value>(1120, 656)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -491,7 +495,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(608, 573)</value>
+      <value>(608, 552)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -542,7 +546,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1000, 789)</value>
+      <value>(912, 768)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -593,7 +597,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(760, 253)</value>
+      <value>(760, 240)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -699,7 +703,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(488, 11)</value>
+      <value>(664, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -750,7 +754,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(504, 203)</value>
+      <value>(504, 189)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -809,7 +813,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1008, 246)</value>
+      <value>(1008, 232)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -876,7 +880,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(744, 373)</value>
+      <value>(736, 373)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -927,7 +931,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(232, 203)</value>
+      <value>(232, 189)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -966,7 +970,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(552, 13)</value>
+      <value>(752, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1021,7 +1025,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1008, 363)</value>
+      <value>(1008, 359)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1084,7 +1088,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1008, 915)</value>
+      <value>(1008, 911)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1139,7 +1143,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(504, 285)</value>
+      <value>(496, 288)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1178,7 +1182,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(872, 517)</value>
+      <value>(832, 496)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1225,7 +1229,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(760, 589)</value>
+      <value>(744, 576)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1276,7 +1280,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(296, 931)</value>
+      <value>(312, 933)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1323,7 +1327,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(528, 931)</value>
+      <value>(536, 933)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1374,7 +1378,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(752, 931)</value>
+      <value>(752, 933)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1421,7 +1425,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(135, 123)</value>
+      <value>(200, 109)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1452,7 +1456,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(536, 381)</value>
+      <value>(528, 384)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1538,7 +1542,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(88, 933)</value>
+      <value>(112, 936)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1581,7 +1585,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(56, 517)</value>
+      <value>(56, 496)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1624,7 +1628,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(352, 125)</value>
+      <value>(416, 112)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1671,7 +1675,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(624, 13)</value>
+      <value>(840, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1722,7 +1726,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(656, 773)</value>
+      <value>(608, 744)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1773,7 +1777,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(152, 741)</value>
+      <value>(128, 696)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/examples/wifi_rx.grc b/examples/wifi_rx.grc
index ac69dca..55d17cc 100644
--- a/examples/wifi_rx.grc
+++ b/examples/wifi_rx.grc
@@ -30,7 +30,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 11)</value>
+      <value>(8, 5)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -40,6 +40,10 @@
       <key>generate_options</key>
       <value>wx_gui</value>
     </param>
+    <param>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
     <param>
       <key>id</key>
       <value>wifi_rx</value>
@@ -97,7 +101,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(352, 11)</value>
+      <value>(360, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -152,7 +156,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(896, 11)</value>
+      <value>(808, 16)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -207,7 +211,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(776, 11)</value>
+      <value>(688, 15)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -266,7 +270,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(176, 11)</value>
+      <value>(176, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -321,7 +325,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1072, 11)</value>
+      <value>(992, 16)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -368,7 +372,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(672, 75)</value>
+      <value>(8, 133)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -395,7 +399,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(672, 11)</value>
+      <value>(8, 69)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -430,7 +434,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1032, 328)</value>
+      <value>(1016, 312)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -473,7 +477,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(464, 232)</value>
+      <value>(464, 224)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -516,7 +520,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(424, 344)</value>
+      <value>(424, 336)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -559,7 +563,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(480, 563)</value>
+      <value>(480, 584)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -614,7 +618,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(256, 339)</value>
+      <value>(264, 336)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -665,7 +669,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1192, 400)</value>
+      <value>(1168, 400)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -724,7 +728,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(720, 939)</value>
+      <value>(760, 941)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -767,7 +771,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(664, 312)</value>
+      <value>(664, 288)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -818,7 +822,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(720, 1107)</value>
+      <value>(728, 1104)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -865,7 +869,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(912, 547)</value>
+      <value>(912, 560)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -916,7 +920,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(576, 846)</value>
+      <value>(640, 848)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -975,7 +979,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(152, 683)</value>
+      <value>(152, 687)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1034,7 +1038,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(952, 947)</value>
+      <value>(960, 949)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1077,7 +1081,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(816, 323)</value>
+      <value>(808, 312)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1124,7 +1128,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(808, 227)</value>
+      <value>(808, 224)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1175,7 +1179,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1000, 707)</value>
+      <value>(960, 709)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1222,7 +1226,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(680, 707)</value>
+      <value>(664, 709)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1273,7 +1277,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(416, 707)</value>
+      <value>(416, 709)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1316,7 +1320,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(960, 1099)</value>
+      <value>(976, 1101)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1363,7 +1367,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(672, 531)</value>
+      <value>(672, 536)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1414,7 +1418,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(216, 504)</value>
+      <value>(216, 488)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1461,7 +1465,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(504, 11)</value>
+      <value>(520, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2416,7 +2420,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(16, 211)</value>
+      <value>(32, 213)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2603,7 +2607,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(512, 1027)</value>
+      <value>(520, 1035)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2690,7 +2694,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(349, 806)</value>
+      <value>(408, 816)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2777,7 +2781,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1171, 560)</value>
+      <value>(1167, 552)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/examples/wifi_transceiver.grc b/examples/wifi_transceiver.grc
index 9999296..f4cdce8 100644
--- a/examples/wifi_transceiver.grc
+++ b/examples/wifi_transceiver.grc
@@ -40,6 +40,10 @@
       <key>generate_options</key>
       <value>wx_gui</value>
     </param>
+    <param>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
     <param>
       <key>id</key>
       <value>wifi_transceiver</value>
@@ -97,7 +101,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(520, 14)</value>
+      <value>(728, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -152,7 +156,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(256, 14)</value>
+      <value>(360, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -207,7 +211,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(128, 14)</value>
+      <value>(176, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -262,7 +266,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(648, 11)</value>
+      <value>(912, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -321,7 +325,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(744, 11)</value>
+      <value>(1040, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -380,7 +384,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(384, 14)</value>
+      <value>(536, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -435,7 +439,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(824, 11)</value>
+      <value>(1152, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -502,7 +506,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(24, 269)</value>
+      <value>(32, 325)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -549,7 +553,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(304, 501)</value>
+      <value>(424, 600)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -600,7 +604,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(440, 125)</value>
+      <value>(616, 157)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -659,7 +663,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(240, 611)</value>
+      <value>(368, 719)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -710,7 +714,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(168, 275)</value>
+      <value>(208, 333)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -757,7 +761,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(440, 197)</value>
+      <value>(616, 240)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -804,7 +808,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(440, 285)</value>
+      <value>(616, 384)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -851,7 +855,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(168, 363)</value>
+      <value>(224, 429)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1546,7 +1550,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(360, 595)</value>
+      <value>(528, 695)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2621,7 +2625,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(560, 600)</value>
+      <value>(744, 702)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2792,7 +2796,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(448, 437)</value>
+      <value>(648, 504)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2847,7 +2851,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(64, 451)</value>
+      <value>(176, 527)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/examples/wifi_tx.grc b/examples/wifi_tx.grc
index 15b3723..8a72a9d 100644
--- a/examples/wifi_tx.grc
+++ b/examples/wifi_tx.grc
@@ -30,7 +30,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 11)</value>
+      <value>(8, 5)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -40,6 +40,10 @@
       <key>generate_options</key>
       <value>wx_gui</value>
     </param>
+    <param>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
     <param>
       <key>id</key>
       <value>wifi_tx</value>
@@ -97,7 +101,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(448, 14)</value>
+      <value>(608, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -152,7 +156,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(216, 14)</value>
+      <value>(288, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -207,7 +211,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(848, 14)</value>
+      <value>(792, 120)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -262,7 +266,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(576, 11)</value>
+      <value>(792, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -348,7 +352,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(672, 11)</value>
+      <value>(920, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -407,7 +411,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(760, 11)</value>
+      <value>(1040, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -466,7 +470,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(344, 14)</value>
+      <value>(464, 8)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -521,7 +525,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(128, 11)</value>
+      <value>(176, 7)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -580,7 +584,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(160, 139)</value>
+      <value>(208, 157)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -631,7 +635,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(136, 373)</value>
+      <value>(208, 472)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -682,7 +686,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(344, 341)</value>
+      <value>(344, 424)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -729,7 +733,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(608, 357)</value>
+      <value>(664, 448)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -780,7 +784,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(168, 208)</value>
+      <value>(216, 230)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -851,7 +855,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(88, 459)</value>
+      <value>(120, 575)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -906,7 +910,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(448, 221)</value>
+      <value>(464, 248)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1601,7 +1605,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(272, 455)</value>
+      <value>(288, 551)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1768,7 +1772,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(464, 309)</value>
+      <value>(480, 376)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/utils/simulations/awgn/sim.grc b/utils/simulations/awgn/sim.grc
index cb56930..c1be222 100644
--- a/utils/simulations/awgn/sim.grc
+++ b/utils/simulations/awgn/sim.grc
@@ -30,7 +30,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(7, 4)</value>
+      <value>(8, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -40,6 +40,10 @@
       <key>generate_options</key>
       <value>no_gui</value>
     </param>
+    <param>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
     <param>
       <key>id</key>
       <value>sim</value>
@@ -89,7 +93,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(88, 67)</value>
+      <value>(8, 93)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -132,7 +136,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(40, 269)</value>
+      <value>(40, 365)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -179,7 +183,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(512, 414)</value>
+      <value>(520, 568)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -230,7 +234,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(360, 310)</value>
+      <value>(408, 424)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -285,7 +289,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(672, 395)</value>
+      <value>(704, 543)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -333,7 +337,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(776, 8)</value>
+      <value>(1016, 14)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -392,7 +396,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(360, 395)</value>
+      <value>(368, 543)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -443,7 +447,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(264, 132)</value>
+      <value>(288, 181)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -502,7 +506,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(200, 275)</value>
+      <value>(248, 373)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -553,7 +557,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(496, 158)</value>
+      <value>(552, 216)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -592,7 +596,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 104)</value>
+      <value>(8, 156)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -623,7 +627,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 64)</value>
+      <value>(8, 212)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -654,7 +658,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(600, 13)</value>
+      <value>(792, 21)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -697,7 +701,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(336, 8)</value>
+      <value>(416, 6)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -740,7 +744,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(776, 125)</value>
+      <value>(1032, 173)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -783,7 +787,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(176, 13)</value>
+      <value>(216, 13)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -826,7 +830,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(480, 8)</value>
+      <value>(632, 6)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -873,7 +877,7 @@ corresponds to BPSK 1/2, ..., 64-QAM 3/4</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(496, 278)</value>
+      <value>(568, 376)</value>
     </param>
     <param>
       <key>_rotation</key>