There are 10 profiles for PSR B0031-07

0.41 GHz	gl98
0.449937 GHz	jnk98
0.606 GHz	gl98
0.673937 GHz	jnk98
0.925 GHz	gl98
1.408 GHz	gl98
1.42 GHz	sgg+95
1.56 GHz	wmlq93
1.642 GHz	gl98
4.85 GHz	hkk98