21/18cm primary focus receiver (1.3-1.7 GHz)
This system is used for sensitive continuum, VLBI (especially 18cm), spectroscopy, and pulsar observations. Be aware, that this band may be influenced by RFI.

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
1.400 A LCP 1.2 21 1.55 14 54 2.0 75 553 June 2008
1.400 B RCP 1.3 27 1.55 18 53 2.0 74 553 June 2008
1.660 A LCP 1.2 26 1.55 17 53 2.0 76 473 June 2008
1.660 B RCP 1.4 27 1.55 18 52 2.0 75 473 June 2008

normalized Gain curve     (G = A0 + A1·Elv + A2·Elv2) Observed in
A0 = 1.0     A1 = 0.0      A2 = 0.0    

Comments:

  • Strong interferences can occur in this frequency regime, eg. between 1.50 and 1.64 GHz!