diff --git a/lib/radio/cordic/ghdl/cordic_top.gtkw b/lib/radio/cordic/ghdl/tb_cordic_iterative_top.gtkw
similarity index 68%
rename from lib/radio/cordic/ghdl/cordic_top.gtkw
rename to lib/radio/cordic/ghdl/tb_cordic_iterative_top.gtkw
index ad3b464..b39846c 100644
--- a/lib/radio/cordic/ghdl/cordic_top.gtkw
+++ b/lib/radio/cordic/ghdl/tb_cordic_iterative_top.gtkw
@@ -1,15 +1,15 @@
 [*]
 [*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
-[*] Mon Mar 22 17:29:16 2021
+[*] Tue Mar 23 13:33:00 2021
 [*]
-[dumpfile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/cordic_top/cordic_top.vcd"
-[dumpfile_mtime] "Mon Mar 22 17:27:59 2021"
+[dumpfile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/tb_cordic_iterative_top/tb_cordic_iterative_top.vcd"
+[dumpfile_mtime] "Tue Mar 23 13:32:56 2021"
 [dumpfile_size] 13865093
-[savefile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/cordic_top/cordic_top.gtkw"
+[savefile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/tb_cordic_iterative_top/tb_cordic_iterative_top.gtkw"
 [timestart] 0
 [size] 1856 1136
 [pos] -1 -1
-*-35.511463 14900000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+*-35.511463 204900000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] tb_cordic_top.
 [treeopen] tb_cordic_top.uut.
 [sst_width] 291
diff --git a/lib/radio/cordic/ghdl/cordic_pipe_top.gtkw b/lib/radio/cordic/ghdl/tb_cordic_pipe_top.gtkw
similarity index 69%
rename from lib/radio/cordic/ghdl/cordic_pipe_top.gtkw
rename to lib/radio/cordic/ghdl/tb_cordic_pipe_top.gtkw
index 99fb325..a245521 100644
--- a/lib/radio/cordic/ghdl/cordic_pipe_top.gtkw
+++ b/lib/radio/cordic/ghdl/tb_cordic_pipe_top.gtkw
@@ -1,15 +1,15 @@
 [*]
 [*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
-[*] Mon Mar 22 17:27:24 2021
+[*] Tue Mar 23 13:33:17 2021
 [*]
-[dumpfile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/cordic_pipe_top/cordic_pipe_top.vcd"
-[dumpfile_mtime] "Mon Mar 22 17:26:15 2021"
+[dumpfile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/tb_cordic_pipe_top/tb_cordic_pipe_top.vcd"
+[dumpfile_mtime] "Tue Mar 23 13:33:15 2021"
 [dumpfile_size] 2918897
-[savefile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/cordic_pipe_top/cordic_pipe_top.gtkw"
+[savefile] "/home/jens/work/vhdl/trunk/lib/radio/cordic/ghdl/build/tb_cordic_pipe_top/tb_cordic_pipe_top.gtkw"
 [timestart] 0
 [size] 1856 1136
-[pos] -51 -51
-*-34.400429 0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+[pos] -1 -1
+*-34.400429 113300000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] tb_cordic_pipe_top.
 [treeopen] tb_cordic_pipe_top.uut.
 [sst_width] 233