Continued ISEE-3 Detection With an 8 Foot DIsh Posted on June 10, 2014 This Doppler oscillation measurement shows that the #ISEE3 spacecraft is spinning at 19.163 ±0.02 RPM. @ISEE3Reboot pic.twitter.com/050pw33Pnr — baudline (@baudline) June 7, 2014 IQ plot of #ISEE3 signal shows 60° bi-φ PSK modulation. The 2 second packet structure is clearly visible @ISEE3Reboot pic.twitter.com/VwJMdY0qSs — baudline (@baudline) June 10, 2014