There are 11 profiles for PSR B1831-04

0.10275 GHz	kl99
0.41 GHz	gl98
0.606 GHz	gl98
0.925 GHz	gl98
1.408 GHz	gl98
1.42 GHz	sgg+95
1.52 GHz	dsb+98
1.56 GHz	wmlq93
1.642 GHz	gl98
4.85 GHz	hkk98