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Antenna

Mark IV Field System Documentation | Version 9.3 | September 1, 1997

Antenna

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RX Commands

Receiver MAT Protocol [MAT Protocol]
cal - turn cal signal on or off [SNAP Commands]
caltemp - set noise cal temperatures [SNAP Commands]
rx - receiver monitor and control [SNAP Commands]

Phase Cal

cable - get the cable cal reading [SNAP Commands]
pcal - set up/activate pcalr (Mark III rack) [SNAP Commands]

Antenna Pointing

antenna - direct line to the antenna [SNAP Commands]
azeloff - az-el source position offset [SNAP Commands]
beam - set beamsize for flux command [SNAP Commands]
fivept - five or more point source scan [SNAP Commands]
flux - set flux parameters for a source [SNAP Commands]
onoff - on-off radiometry [SNAP Commands]
onsource - get antenna pointing status [SNAP Commands]
radecoff - ra/dec source position offsets [SNAP Commands]
source - source name and position [SNAP Commands]
track - display antenna tracking information [SNAP Commands]
xyoff - x-y source position offset [SNAP Commands]

System Temperatures

tpi - read back total power integrators, cal off [SNAP Commands]
tpical - read total power integrators, cal on [SNAP Commands]
tpzero - measure zero levels [SNAP Commands]
tsys - compute and display system temps [SNAP Commands]

L.O.

lo - LO frequencies (Mark III rack) [SNAP Commands]
lo - LO frequencies (VLBA rack) [SNAP Commands]
upconv - upconverter frequencies (Mark III rack) [SNAP Commands]
upconv - upconverter frequencies (VLBA rack) [SNAP Commands]

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Web curator: Nancy R. Vandenberg

Last updated: September 4, 1997