We had an even greater DSN pass today with ISEE-3. We managed to get ~30 minutes of data (11 range points) after achieving 2 way Doppler lock and ranging at a 47.5 kHz offset. Morehead State University was listening and recording during this session (more on that soon). Earlier today we had a pass at Arecibo. Today's task was to take some time to probe the way that ISEE-3 listens - and responds - to commands. It has some quirky behaviors that we are still trying to fully understand.
We also got permission from NASA to communicate with ISEE-3 through 16 July using both Transponder A and B. Our Spin-up and Trajectory Correction Maneuvers should be happening in the next week or so. Stay tuned for updates.