There are 3 profiles for PSR B1451-68...

0.449937 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| jnk98
0.673937 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| jnk98
1.52 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| dsb+98