This (https://arxiv.org/abs/1210.5986 https://arxiv.org/abs/1210.5986) is his 2012 paper where the method used here is justified. Also gives a short summary of

This (https://arxiv.org/abs/1210.5986 https://arxiv.org/abs/1210.5986) is his 2012 paper where the method used here is justified. Also gives a short summary of SETI efforts in the introduction. He discussed the energy requirements to send a signal of the type described so it can be detected at 1000ly, which seem reasonable.