https://stereo-ssc.nascom.nasa.gov/where.shtml
https://stereo.gsfc.nasa.gov/
1st deep space capture on X band, 8443.555MHz (approximately). Using a plumbing component feed with the 7.5GHz LNA on a 1.2m dish. It's not a great system with a sky/ground noise figure of ~3dB. About 10dB S/N in 0.5Hz. 9125MHz LO inverts the spectrum so the doppler change is downwards.
2.5Ms/s, decimated by 64, 131k FFT