There are 5 profiles for PSR J2144-3933...

0.436 GHz | EPN profile | Summary | ASCII profile | GIF image | dsb+98
0.436 GHz | EPN profile | Summary | ASCII profile | GIF image | lor94
0.658875 GHz | EPN profile | Summary | ASCII profile | GIF image | mhq98
1.4 GHz | EPN profile | Summary | ASCII profile | GIF image | dsb+98
1.52 GHz | EPN profile | Summary | ASCII profile | GIF image | lor94