diff --git a/lib/ldpc/jtmode_codes/198-72-peg-reg4.results b/lib/ldpc/jtmode_codes/198-72-peg-reg4.results
new file mode 100644
index 000000000..160598b6f
--- /dev/null
+++ b/lib/ldpc/jtmode_codes/198-72-peg-reg4.results
@@ -0,0 +1,14 @@
+(198,72) peg, regular, j=4, 50 iterations, s=0.75
+ Eb/N0   ngood    nundetected
+-0.5     5252        0
+ 0.0    19438        0
+ 0.5    63217        0
+ 1.0   165217        0
+ 1.5   348427        0
+ 2.0   586616        0
+ 2.5   802480        0
+ 3.0   933697        0
+ 3.5   985155        0
+ 4.0   997834        0
+ 4.5   999772        0
+ 5.0   999989        0
diff --git a/lib/ldpc/jtmode_codes/compare.lab b/lib/ldpc/jtmode_codes/compare.lab
index e69de29bb..91d973f76 100644
--- a/lib/ldpc/jtmode_codes/compare.lab
+++ b/lib/ldpc/jtmode_codes/compare.lab
@@ -0,0 +1,2 @@
+2.5 0.5e-2  "(198,72) reg3"
+4.5 0.5e-2  "(198,72) reg4" 
diff --git a/lib/ldpc/jtmode_codes/fig_compare.gnuplot b/lib/ldpc/jtmode_codes/fig_compare.gnuplot
index 855ef72f7..6e027ae83 100644
--- a/lib/ldpc/jtmode_codes/fig_compare.gnuplot
+++ b/lib/ldpc/jtmode_codes/fig_compare.gnuplot
@@ -12,14 +12,15 @@ set mxtics 2
 set mytics 10 
 set grid
 set logscale y
+set format y "%1.0e"
 plot [-1:6] [1e-6:1] \
-   "128-80-peg-reg4.results" using ($1+0.46):(1-$2/1000000) with linespoints lt 1 lw 2 pt 1, \
-   "128-80-peg-reg4.results" using ($1+0.46):($3/1000000) with linespoints lt 1 lw 2 pt 1, \
-   "128-80-peg-reg3.results" using ($1+0.46):(1-$2/1000000) with linespoints lt 2 lw 2 pt 2, \
-   "128-80-peg-reg3.results" using ($1+0.46):($3/1000000) with linespoints lt 2 lw 2 pt 2, \
-   "128-80-sf13.results" using ($1+0.46):(1-$8/1000000) with linespoints lt 3 lw 2 pt 3, \
-   "128-80-sf13.results" using ($1+0.46):($9/1000000) with linespoints lt 3 lw 2 pt 3, \
-   "128-72-peg-reg4.results" using 1:(1-$2/1000000) with linespoints lt 4 lw 2 pt 4, \
-   "128-72-peg-reg4.results" using 1:($3/1000000) with linespoints lt 4 lw 2 pt 4, \
+   "198-72-peg-reg3.results" using 1:(1-$2/1000000) with linespoints lt 1 lw 2 pt 1, \
+   "198-72-peg-reg3.results" using 1:($3/1000000) with linespoints lt 1 lw 2 pt 1, \
+   "198-72-peg-reg4.results" using 1:(1-$2/1000000) with linespoints lt 2 lw 2 pt 2, \
+   "198-72-peg-reg4.results" using 1:($3/1000000) with linespoints lt 2 lw 2 pt 2, \
+   "198-72-peg-irreg-8x3-2x4.results" using 1:(1-$2/1000000) with linespoints lt 3 lw 2 pt 3, \
+   "198-72-peg-irreg-8x3-2x4.results" using 1:($3/1000000) with linespoints lt 3 lw 2 pt 3, \
+   "198-72-sf9.results" using 1:(1-$2/1000000) with linespoints lt 4 lw 2 pt 4, \
+   "198-72-sf9.results" using 1:($3/1000000) with linespoints lt 4 lw 2 pt 4, \
    "compare.lab" with labels
 exit
diff --git a/lib/ldpc/jtmode_codes/fig_success.gnuplot b/lib/ldpc/jtmode_codes/fig_success.gnuplot
index a1689d8f7..5252cace7 100644
--- a/lib/ldpc/jtmode_codes/fig_success.gnuplot
+++ b/lib/ldpc/jtmode_codes/fig_success.gnuplot
@@ -12,10 +12,11 @@ set mxtics 2
 set mytics 10 
 set grid
 #set logscale y
+set format y "%2.1f"
 plot [-1:6] [1e-6:1] \
-   "128-80-peg-reg4.results" using ($1+0.46):($2/1000000) with linespoints lt 1 lw 2 pt 1, \
-   "128-80-peg-reg3.results" using ($1+0.46):($2/1000000) with linespoints lt 2 lw 2 pt 2, \
-   "128-80-sf13.results" using ($1+0.46):($8/1000000) with linespoints lt 3 lw 2 pt 3, \
-   "128-72-peg-reg4.results" using 1:($2/1000000) with linespoints lt 4 lw 2 pt 4, \
+   "198-72-peg-reg3.results" using 1:($2/1000000) with linespoints lt 1 lw 2 pt 1, \
+   "198-72-peg-reg4.results" using 1:($2/1000000) with linespoints lt 2 lw 2 pt 2, \
+   "198-72-peg-irreg-8x3-2x4.results" using 1:($2/1000000) with linespoints lt 3 lw 2 pt 3, \
+   "198-72-sf9.results" using 1:($2/1000000) with linespoints lt 4 lw 2 pt 4, \
    "success.lab" with labels
 exit
diff --git a/lib/ldpc/jtmode_codes/peg-198-72-reg4.gen b/lib/ldpc/jtmode_codes/peg-198-72-reg4.gen
new file mode 100644
index 000000000..66c4bae99
Binary files /dev/null and b/lib/ldpc/jtmode_codes/peg-198-72-reg4.gen differ
diff --git a/lib/ldpc/jtmode_codes/peg-198-72-reg4.pchk b/lib/ldpc/jtmode_codes/peg-198-72-reg4.pchk
new file mode 100644
index 000000000..4de31430e
Binary files /dev/null and b/lib/ldpc/jtmode_codes/peg-198-72-reg4.pchk differ
diff --git a/lib/ldpc/jtmode_codes/success.lab b/lib/ldpc/jtmode_codes/success.lab
index 1722c2aa8..63d47adfe 100644
--- a/lib/ldpc/jtmode_codes/success.lab
+++ b/lib/ldpc/jtmode_codes/success.lab
@@ -1,4 +1,2 @@
-3.8 0.55  "(128,80) reg4"
-2.6 0.85  "(128,80) sf13"
-4.0 0.85  "(128,80) reg3" 
-1.7 0.65  "(128,72) reg4" 
+0.9 0.75  "(198,72) reg3"
+2.9 0.65  "(198,72) reg4"