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Home All issues Volume 520 (September-October 2010) A&A, 520 (2010) A7 Full HTML

 

 

Table 1:

Location and orientation of the LFI feed horns.

Feed 		$\nu_0$ Location Orientation Taper
    ( ${X_{\rm RDP}}$, ${Y_{\rm RDP}}$, $Z_{\rm RDP}$) ( $\theta_{\rm RDP}$, $\varphi_{\rm RDP}$, $\psi_{\rm RDP}$)  
  (GHz) (mm, mm, mm) ($^\circ$, $^\circ$, $^\circ$) (dB @ 22$^\circ$)
FH18 70 -76.38 -69.37 14.54 11.93 46.04 18.26 17.0
FH19 70 -92.41 -43.29 18.66 11.63 28.71 19.84 17.0
FH20 70 -101.86 -17.69 20.86 11.38 11.22 21.29 17.0
FH21 70 -101.86 17.69 20.86 11.38 -11.22 -21.29 17.0
FH22 70 -92.41 43.29 18.66 11.63 -28.71 -19.84 17.0
FH23 70 -76.38 69.37 14.54 11.93 -46.04 -18.26 17.0
FH24 44 -138.41 0.00 21.29 14.85 0.00 0.00 30.0
FH25 44 55.32 133.27 -17.90 16.44 -113.42 -106.18 30.0
FH26 44 55.32 -133.27 -17.90 16.44 113.42 106.18 30.0
FH27 30 -136.95 54.94 18.60 15.56 -23.01 -19.22 30.0
FH28 30 -136.95 -54.94 18.60 15.56 23.01 19.22 30.0

Notes. The frames are defined with respect to the RDP and according to GRASP8 angle definition 1999. The mechanical uncertainties, defined at warm temperature, in the location of the feed are 0.4 mm along ${X_{\rm RDP}}$ and ${Y_{\rm RDP}}$, and 0.5 mm along $Z_{\rm RDP}$.


Source LaTeX | All tables | In the text

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