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A neutrino detector is omnidirectional. It would be almost impossible to make it directional even if you wanted to.

You can try to measure which direction the scattered particles from a neutrino collision travel. But the actual detector is omnidirectional.

But all that said, a strong neutrino source isn't easy to just do.



assuming the emission is also omnidirectional the required strength decreases by square of distance, so it shouldn't require a strong source for 1km.

I guess it's more difficult to tell exactly when the bursts are being emitted.


No, the emission is directional.




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