As I write this, one of the Madrid dishes of the Deep Space Network is in contact with TDRS satellite #13.

I've never seen DSN contact a TDRS satellite before. I thought that system has its own dishes. Has DSN been used to contact a TDRS satellite before? Why is it contacting TDRS-13 now? Isn't Madrid 180 degrees from where the satellite is supposed to be? Does this have something to do with that satellite's past problems?

Madrid to TDRS-13


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