Polarisation is RCP, LCP using 12.1875 dB attenuation, 417 steps out from in. ~30 dB separation between LCP/RCP at 437 steps out from in. Tone looked worse at 417 but gives better fringes.
At 417 from 1743, changing around phase shifter previous to this.
Agilent 4.15 GHz
Second LOs at 802 MHz
Recording to ATNF V009A