There are 4 profiles for PSR J0520-2553...

0.435875 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| mhq98
0.436 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| dsb+98
0.657875 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| mhq98
0.66 GHz	\| EPN profile	\| Summary	\| ASCII profile	\| GIF image	\| dsb+98