FEBE section

There is one FEBE (=frontend-backend description) section per frontend-backend combination. The following list is for frontend-backend combination 1 (the corresponding items for combination 2 were FEBE2%HEADER and FEBE2%DATA, and so on).

FEBE1	S
FEBE1%HEADER	S
FEBE1%HEADER%ZFLXRX	R	deg	Pointing Coefficient (receiver), adds to ZFLX
FEBE1%HEADER%ECECRX	R	deg	Pointing Coefficient (receiver), adds to ECEC (P8)
FEBE1%HEADER%IERX	R	deg	Pointing Coefficient (receiver), adds to IE (P7)
FEBE1%HEADER%CARX	R	deg	Pointing Coefficient (receiver), adds to CA (P2)
FEBE1%HEADER%IARX	R	deg	Pointing Coefficient (receiver), adds to
FEBE1%HEADER%FRQTHROW	R	Hz	Frequency switching throw
FEBE1%HEADER%NPHASES	I		number of switch phases in a switch cycle
FEBE1%HEADER%SWTCHMOD	C*20		Switch mode
FEBE1%HEADER%NUSEFEED	I		number fo feeds in use.
FEBE1%HEADER%FEBEFEED	I		total number of feeds.
FEBE1%HEADER%FEBEBAND	I		total number of basebands for this frontend-backend
			combination
FEBE1%HEADER%DEWANG	R	deg	dewar angle
FEBE1%HEADER%DEWRTMOD	C*5		dewar tracking system
FEBE1%HEADER%DATE_OBS	C*23		observing date (Y2K format with time) in TIMESYS
			system (scan start)
FEBE1%HEADER%SCANNUM	I		scan number
FEBE1%HEADER%FEBE	C*17		frontend-backend combination identification

 

FEBE1%DATA	S
FEBE1%DATA%GAINELE1	$n_{\rm bd}$ R	deg	Gain-elevation correction parameter 1
			(see MBFITS manual)
FEBE1%DATA%GAINELE2	$n_{\rm bd}$ R	deg	Gain-elevation correction parameter 2
			(see MBFITS manual)
FEBE1%DATA%GAINIMAG	$n_{\rm pix} \times n_{\rm bd}$ R		Gain ratio image/signal sideband
FEBE1%DATA%FLATFIEL	$n_{\rm pix} \times n_{\rm bd}$ R		receiver array flat field (relative gains)
FEBE1%DATA%BOLCALFC	$n_{\rm pix}$ R	Jy/counts	bolometer calibration factor
FEBE1%DATA%ANTGAIN	$n_{\rm pix} \times n_{\rm bd}$ R	K/Jy	Antenna gain
FEBE1%DATA%HPBW	$n_{\rm pix} \times n_{\rm bd}$ R	deg	Half-power beam width
FEBE1%DATA%ETAFSS	$n_{\rm pix} \times n_{\rm bd}$ R		forward efficiency
FEBE1%DATA%BEAMEFF	$n_{\rm pix} \times n_{\rm bd}$ R		beam efficiency
FEBE1%DATA%APEREFF	$n_{\rm pix} \times n_{\rm bd}$ R		aperture efficiency
FEBE1%DATA%POLA	$n_{\rm pix}$ R	deg	feed orientation
FEBE1%DATA%POLTY	C*1		feed type (X, Y, L, R)
FEBE1%DATA%REFFEED	I		feed number of reference feed
FEBE1%DATA%FEEDOFFX	$n_{\rm pix}$ D	deg	feed x offset
FEBE1%DATA%FEEDOFFY	$n_{\rm pix}$ D	deg	feed y offset
FEBE1%DATA%DATA%FEEDTYPE	$n_{\rm pix}$ C*1		feed type (see MBFITS manual)
FEBE1%DATA%USEFEED	$n_{\rm pix}$ I		list of feeds which are in use