# glish setup script for extragalactic 21 cm spectral line observing
# using the Spectrometer
#
# Setup for dual linear polarization, 50 MHz bandwidth, 16384 channels,
#	30-second integration time.
# Use position switching.
#
include '/home/astro-util/src/glish/gfuncs/gbtsetup.g'

# switching mode data for position switching
# The noise cal is switched on and off in a 1 second period (swper).
#
 swdat := [ mode='tp', type='none', swper=1.0, df=[ 0, 0] ]
 
# Receiver setup 

 rcv_par  := [ cal='lo', pol='lin', beams='B1', xfer='off']


# Velocity info
# extragalactic observing usually use optical definition, heliocentric.

  velinfo := [ v=[ 0.0, 0.0], frame='bary', vdef='optical']

# Spectrometer params
  spect_par := [ levels=9, quads=2]


# master setup routine:
# gbtsetup( <receiver>, <obstype>, <backend>, <restfreq>, <bandwidth>,
#		<integrationtime>, sw=<switchinfo>, rcv=<receiverinfo>,
#		vel=<velocityinfo>, df=<freqoffset>,
#		back_par=<backend parameters>


  gbtsetup( 'Rcvr1_2', 'spec', 'acs', 1420.4058, 50, 30.0, 
	sw=swdat, rcv=rcv_par, vel=velinfo, df=0.0, back_par=spect_par)


exit