ATNF VLBI Wiki

bk193a

Description	Substructure in the Scattering Disc of SgrA*
Antennas	Sc-Hn-Nl-Fd-La-Pt-Kp-Ov-Br-Mk-Gb-Y-Gt-At-Mp-Ho-Cd-Ky-Ku-Kt-T6
Start	255 23:00:00
Stop	256 12:00:00
PI	M. Johnson

Setup ra1cm:

Station Modes	Sc Hn Nl Fd La Pt Kp Ov Br Mk Gb Y
Channel 1	`22140 - 22204 MHz USB RCP`
Channel 2	`22140 - 22204 MHz USB LCP`
Channel 3	`22204 - 22268 MHz USB RCP`
Channel 4	`22204 - 22268 MHz USB LCP`
Channel 5	`22268 - 22332 MHz USB RCP`
Channel 6	`22268 - 22332 MHz USB LCP`
Channel 7	`22332 - 22396 MHz USB RCP`
Channel 8	`22332 - 22396 MHz USB LCP`
Bandwidth	64 MHz
DAS Mode	Mark5

Station Modes	Gt
Channel 1	`22220 - 22236 MHz LSB RCP`
Channel 2	`22236 - 22252 MHz USB RCP`
Channel 3	`22220 - 22236 MHz LSB LCP`
Channel 4	`22236 - 22252 MHz USB LCP`
Bandwidth	16 MHz
DAS Mode	Mark5

NIF=1

Station Modes	At Mp
Channel 1	`DAS #1 IFP#1 22140 - 22204 MHz LSB RCP`
Channel 2	`DAS #1 IFP#2 22204 - 22268 MHz USB RCP`
Channel 3	`DAS #2 IFP#1 22204 - 22268 MHz USB LCP`
Channel 4	`DAS #2 IFP#2 22140 - 22204 MHz LSB LCP`
DAS 1 Skyfreq	22172 MHz
DAS 2 Skyfreq	22236 MHz
Bandwidth	64 MHz
DAS Mode	64MHz_[nf].pro (telescope)

NIF=1

Station Modes	Ho Cd
Channel 1	`IFP#1 22204 - 22268 MHz USB RCP`
Channel 2	`IFP#2 22204 - 22268 MHz USB LCP`
DAS 1 Skyfreq	22236 MHz
Bandwidth	64 MHz
DAS Mode	64MHz_[nf].pro (telescope)

Station Modes	Ky Ku Kt
Channel 1	`22140 - 22204 MHz LSB RCP`
Channel 2	`22204 - 22268 MHz USB RCP`
Channel 3	`22140 - 22204 MHz LSB LCP`
Channel 4	`22204 - 22268 MHz USB LCP`
Bandwidth	64 MHz
DAS Mode	Mark5

Station Modes	T6
Channel 1	`22140 - 22172 MHz USB LCP`
Channel 2	`22172 - 22204 MHz USB LCP`
Channel 3	`22204 - 22236 MHz USB LCP`
Channel 4	`22236 - 22268 MHz USB LCP`
Bandwidth	32 MHz
DAS Mode	Mark5

Setup vla_x_pointing:

Station Modes	Y
Channel 1	`8332 - 8460 MHz USB RCP`
Channel 2	`8332 - 8460 MHz USB LCP`
Channel 3	`8460 - 8588 MHz USB RCP`
Channel 4	`8460 - 8588 MHz USB LCP`
Bandwidth	128 MHz
DAS Mode	Mark5

Mode changes:
255 23:00:00 ra1cm
255 23:01:00 vla_x_pointing
255 23:11:53 ra1cm
255 23:17:09 vla_x_pointing
255 23:19:55 ra1cm
255 23:25:34 vla_x_pointing
255 23:25:40 ra1cm
256 01:14:00 vla_x_pointing
256 01:17:00 ra1cm
256 01:25:00 vla_x_pointing
256 01:25:00 ra1cm

Ftp: ftp://ftp.atnf.csiro.au/pub/people/vlbi/radioastron/bk193a