I just learned of a new proposal to use an already planned probe, as a gravitational wave detector. Maybe I am missed it, but this does not appear to be covered

I just learned of a new proposal to use an already planned probe, as a gravitational wave detector. Maybe I am missed it, but this does not appear to be covered in TFA. > Bridging the micro-Hz gravitational wave gap via Doppler tracking with the Uranus Orbiter and Probe Mission: Massive black hole binaries, early universe signals and ultra-light dark matter https://arxiv.org/abs/2406.02306 https://arxiv.org/abs/2406.02306 > Practically Free Primordial Gravitational Waves Detector https://www.youtube.com/watch?v=XfOxNJvSvf4 https://www.youtube.com/watch?v=XfOxNJvSvf4