diff --git a/grc_tests/bpsk31_tedvar.m b/grc_tests/bpsk31_tedvar.m
index 275aece..9416ed8 100755
--- a/grc_tests/bpsk31_tedvar.m
+++ b/grc_tests/bpsk31_tedvar.m
@@ -58,7 +58,7 @@ function fmtplot(h)
     ylabel('Phase error variance [rad^2]');
 end
 
-snrs_gardner=-10:2:50
+snrs_gardner=0:5:30
 %snrs_gardner=[10]
 error_values_gardner=mkvarplot('EARLYLATE',snrs_gardner);
 %{