THE WAKE-CYCLE RECONSTRUCTION ============================= You lay the timing sheet, the 608 recording and the relay log beside one another. The three tones mark the start. The fourth tone is the dangerous one. At the fourth tone, the network would synchronize its memories. Seven nodes would be enough to make the separate stations behave like one system with one identity. Node 19 disconnected itself between tones three and four. The gap was not a failure in the sequence. It was the safety mechanism.