5cm primary focus receiver (5.75-6.75 GHz)
This is a 2-channel system mostly used for spectroscopy and (spectral line-) VLBI. Channel A has a slightly higher Tsys than B.

Frequency [GHz] Channel Polarisation Tcal [K] Tsys [K] Sensitivity [K/Jy] SEFD [Jy] Aperture Eff. [%] TMB/S [K/Jy] Main Beam Eff. [%] FWHM [arcsec] Last update
6.032 A LCP 9.7 40 1.5 26 53 1.9 79 132 Jul 2008
6.032 B RCP 9.2 32 1.5 20 53 1.9 79 132 Jul 2008
6.140 A LCP 8.2 37 1.5 24 53 1.9 78 129 Jul 2008
6.140 B RCP 8.5 30 1.5 23 53 1.9 78 129 Jul 2008
6.650 A LCP 6.9 39 1.5 26 53 1.9 78 121 Jul 2008
6.650 B RCP 7.2 33 1.5 24 53 1.9 78 121 Jul 2008

normalized Gain curve     (G = A0 + A1·Elv + A2·Elv2) Observed in
A0 = 0.96098     A1 = 1.5518E-3      A2 = -1.5381E-5   Jul 2008