Specifically there was a disconnect in the transmission of form 8863 from our delivery system to the IRS E-file system, and this caused the delay many of you are experiencing.
It would make more sense for the rover to hand the whole file over to a lander, which could pass it in chunks to orbiting relay satellites for transmission home.
"With the telex you could actually chat with the editor there and then but with e-mail, if something goes wrong during transmission, you can't know it immediately and you get a query on why you did not file, " he says.