PF2 receiver checkout September 18, 2006

Results from an AutoPeak on Calibrator 3C286

• Project code: TRCO_060918
• elevation = 70°
• frequency = 970 MHz, bandwidth=20 MHz
• Tsys = 25 K
• Tant = 32 K
• S(970) = 17 Jy (ref Ott et al)
• Gain = 1.88 K/Jy

TCal data from database (measured March 2003)

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Spectra with the ACS

• Two 200 MHz bands, centered at 990 and 1150 MHz.
• 10-sec integrations.
• Series of 60-sec ON/OFF scans on 3C286.
• On-Off offset was one degree in RA.
• Scans done in both linear and circular polarizations;
• Scans done with both low and high noise diodes.
• Scans 10-13 : low cal; Linear Pol
• Scans 14-17 : high cal; Linear Pol
• Scans 18-21 : high cal; Circular Pol
• Scans 22-25 : low cal; Circular Pol

Scan 23: Circular polarization: total power
Light blue is LCP; purple is RCP.

Scans 12/13 : Calibrated Linear Pol : (on-off)/off
Light blue is XX; purple is YY.

Scans 22/23 : Calibrated Circular Pol : (on-off)/off
Light blue is LCP; purple is RCP.

RFI Summary

• Strong RFI at 947, 1030, 1090 MHz.
• Lots of RFI between 1020 and 1150 MHz.