Crowdsourced Listening to ISEE-3 Posted on August 4, 2014 Good #ISEE3 signal now with side band on transponder A pic.twitter.com/gcBGbAECG3 — supertrack (@supertrack_it) August 3, 2014 and here #ISEE3 signal on transponder B, a bit weaker and no sidebands pic.twitter.com/vkaAavQCiL — supertrack (@supertrack_it) August 3, 2014