Curiouser & curiouser

In the signal data from the 'odd` neutron star:

www.esa.int/esaCP/SEM30QVT0PE_index_0.html

Does anyone else see a second signal, about 7or 8 x the
frequency of the primary???
MadDog

"There is something fascinating about science.
One gets such wholesale returns of conjecture
out of such a trifling investment of fact." - Mark Twain