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lbaops:lbadec2013:vc219holog [2013/12/29 04:12] breid |
lbaops:lbadec2013:vc219holog [2015/12/18 16:38] (current) |
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+ | Hobart windstowed 2255-2317, 2330-End of experiment. | ||
+ | |||
+ | Discovered a problem with the Vex file related to the fanout used. The Hobart rack is set for geodesy (not a VLBA-style rack) which caused problems with the fanout mode used. To correct this, the SCHED setup was changed to: | ||
+ | |||
+ | station=HOB_MK5\\ | ||
+ | m4patch=geo1\\ | ||
+ | format=MKIV1:2\\ | ||
+ | ifchan='2N','2N','1N','1N'\\ | ||
+ | bbc=11,12,3,4\\ | ||
+ | / | ||
+ | |||
+ | The VEX file has this track assignment: | ||
+ | |||
+ | $TRACKS;\\ | ||
+ | * \\ | ||
+ | def MKIV.4Ch2bit1to2;\\ | ||
+ | * mode = 1 stations =Ho\\ | ||
+ | * format = MKIV1:2, and fan-out = 2\\ | ||
+ | * mode requires 16.00Mb/s/tr; stations using disks\\ | ||
+ | track_frame_format = Mark4;\\ | ||
+ | data_modulation = off;\\ | ||
+ | fanout_def = : &CH01 : sign : 1: 2: 4;\\ | ||
+ | fanout_def = : &CH01 : mag : 1: 6: 8;\\ | ||
+ | fanout_def = : &CH02 : sign : 1: 10: 12;\\ | ||
+ | fanout_def = : &CH02 : mag : 1: 14: 16;\\ | ||
+ | fanout_def = : &CH03 : sign : 1: 18: 20;\\ | ||
+ | fanout_def = : &CH03 : mag : 1: 22: 24;\\ | ||
+ | fanout_def = : &CH04 : sign : 1: 26: 28;\\ | ||
+ | fanout_def = : &CH04 : mag : 1: 30: 32;\\ | ||
+ | enddef;\\ | ||
This configuration gave good fringes (at X-band) to the other Australian telescopes. | This configuration gave good fringes (at X-band) to the other Australian telescopes. | ||