Talking to ISEE-3 With GNU Radio

Free Software on the final frontier: GNU Radio controls the ISEE-3 Spacecraft

"To do this, the group turned to GNU Radio, a free software toolkit for implementing software-defined radios and signal processing systems. Modifying the software to communicate in the 1970s satellite protocol, members of the reboot project were able to gain access to the spacecraft and fire its thrusters in early July, and will soon attempt to move the satellite into an orbit close to Earth."

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