BYU phase array Log files

• jun10 logfiles
• 14jun10, 18jun10, 19jun10, 21jun10, 22jun10, 23jun10, 24jun10, 25jun10

• aug10 logfiles
• 19aug10  20aug10  23aug10  24aug10 25aug10  26aug10

Jun10 logfiles

• 14-15jun10: 7x7 maps
  
• A0 J2123+250
• A0 J2123+250
• A1(bad),
• A1 J2232+117
  
• A2 J2232+117
• A3 J2232+117
• A4 J2253+161
  
• A5 J2253+161
• A6 J2253+161
• 18-19jun: (top)
  
• 2 focus scans at A0 on J1347+122. -10 to +28. no offs.
• crosses with 4 90 degree rotations
• A0 at -8cm focus
• A0 at +15 focus
• A0 at -8cm 0,90,180 stop
• 5x5 maps with off's
• -10 to 10 in 2cm steps
• z focus scan with off. focus -10 to 28 in 2cm steps. A0
• This scan was bad. after the off didn't go back on?
  
• z focus scan a1 J1758+134   -10 to 28 in 2cm steps with offs. ok
• z focus scan a0 J1758+134   -10 to 28 in 2cm steps with offs. ok scan 17000102
  
• W51 A0 foc=-8. 5x5 grid with 7.5 amin spacing
• J2014+235. fine grid a0 foc=-8, 15x15 .75 amin steps.
• J2014+235 : z focus scan A0 -10,10 1cm step
  
• 7x7 maps focus=0 astep=1.5
• J2123+250. A0,a4 bad, a4,a5,a6,a1,a2
• J2253+161. A3, D5 ,D6,D1,D2,C2
• 19-20 jun10: (top)
• logfile is not complete for this day.
  
• grids at focus=10. 7x7. A0,A4..partial,A4,A5,A6,A1. J1347+122.. corfile.19jun10.x101.1
• cross on each center. focus=-8.
• J1549+214: a0,a4bad,a4,a5
  
• crosses on each position to figure out offsets
• corfile.20jun10.x101.1 .first set of crosses before changes to skypositions file
• corfile.20jun10.x101.2 2 crosses D5: 1 on rightmost az bump , 2nd on center.
• corfile.20jun10.x101.3 2nd set of crosses. after some changes in positions (but not all). J1840.97
• then updated positions file.
• grids at focus=10. 7x7. J2014+235 A2,A3 same as above . corfile 20jun10.x101.4
• grids at focus=20 7x7  J2014+234 A0,A4,A5, J2123+250 A6, A1,A2,A3 corfile.20jun10.x101.4
• grids at focus=-8 7x7 J2232+114 A0,A4,A5,A6,A1,A2. J2253+161 A3. file:corfile.20jun10.x101.5
  
• The try cross in C5 tracking after J2253+161, after transit.. file corfile.20jun10.x101.6

• 21-22jun10: (top)
  
• crosses on a0,a1-a6,c's,d5 partial then stopped (no byu recording)
• J1143+221, 2.7 jy. rick's corrections turned on.
• corfile.2jun10.x101.1
• A0 superfine grid 31x31 focus=0.
• Source J1330+251
• finished thru row 20, pnt 15 (counting from 1)
• corfile.21jun10.x101.2
• weak sources
  
• Crosses  foc=0, A0
  
• corfile.21jun10.x101.3, 4 crosses on 112 mJy source (J1539+142)
• no byu recording
• horizontal strips with byu recording. 5 1.5 amin steps in az, focus=0
  
• src=J1539+142, two horizontal strips 4 secs per point.
• src=J1538+147, 12 mJy, 2 horizontal strips, 40 seconds per point.
• corfile.21jun10.x101.4
  
• A0 superfine grid continue
• J1609+266 4 Jy, star ton strip 20,point 16
• finished grid
• A1 superfine grid
• J1609+266 start 1,1
• got thru strip 6 point 30.
• Frequency scan 1200 to 1900 Mhz in 20Mhz steps
  
• J1758+134, foc=0, position A0
  
• corfile.22jun10.x101.1
• A1 superfine grid
• corfile.22jun10.x101.2
• J1840+097, focus 0
• Start at strip 6, pnt 30 (1 point overlap from previous).
• finished thru strip 21 point 31.
• corfile.22jun10.x101.3
• Src J2014+235, started strip 22 point 1. finished the A1 grid.
  
• Focus scan A3, -10 to 10 cm ,1 cm step, 4 sec integration.
• corfile.22jun10.x101.4, J2014+235
• A3 Superfine grid
  
• 31x31 J2123+250 focus=0, start 1,1 thru row 16 point 25, corfile.22jun10.x101.5
• Continnue with J2253+161 start 16,26 thur 23 point 27. (but redo 27 since short file
• freq scan 1210 to 1910 in 20 mhz steps, on,off
• file:corfile.22jun10.x101.7
• Superfine grid a3 continue
• src J2253+161
  
• strip 23, point 27 thru strip 28  pnt 21.
  
• corfile.22jun10.x101.8
• 22jun10 night
• A4 super fine grid start J1330+251. finished thru strip 21 pnt 1
• corfile.22jun10.x101.9
  
• course grid 7x7 1.5 amin spacing on J1449+099 (2.9Jy@1665)
• completed 4? 7x7 grid corfile.22jun10.x101.10
• crossstrips
  
•  J1540+147  foc=-8 (A0,A4,A5,A6)
• corfile.22jun10.x101.10
  
• 23jun10: (top)
• crosses J1143+221, A0-A6, focus =0
• file:corfile.23jun10.x101.1
• A4 super fine grid continue. J1330+251  start (r.c:21.2 -> end) z=0
• corfile.23jun10.x101.2
  
• A5 super fine grid. J1330+251. start (r.c:1.1 ->10.3)
• corfile.23jun10.x101.3
  
• 7x7 grids tracking j1445+099 . did 5 grids.
• corfile.23jun10.x101.4
  
• crosses J1609+266 . foc=0, a0-A6.
• corfile.23jun10.x101.5
  
• A5 super fine grid J2014+234 started at (r.c:10.4  to 30.19)
• corfile.24jun10.x101.1
• A5 super fine grid J2123+250 started at (r.c:30.20 to end)
• corfile.24jun10.x101.2
• Note: The start commands sent to the byu computer had J2014p234 instead of J2123p250. I forgot to update the string i sent to them. The source was really J2123p250
  
• A6 super fine grid J2123+250 started at (r.c:1.1 to 12.25)
• when passing thru the source, the az oscillation causes the gain to vary over the 4 second integrations.
  
• corfile.24jun10.x101.3
• A6 super fine grid J2232+117 started at (r.c:12.26 to 26.20)
  
• corfile.24jun10.x101.3
• A6 superfine grid J2253+161 started at (r.c:26.21 to end  )
  
• corfile.24jun10.x101.4
• Crosses on J2327+144 A0 only, focus=0.
• corfile.24jun10.x101.5
• Crosses on J0129+236 foc=0, A0 only
• corfile.24ju10.x101.6
• Crosses on J0129+236 foc=0 , A0 - A6
• corfile.24jul10.x101.7
• 24jun10 .. Note italicized lines had short files on byu system.. (top)
• gpib Phase generator  was switched off sometime on 24-25 observing. Switched back on 27jun10 (see below)
  
• SUMMARY 24-25jun10
  
• No successful byu data was taken on evening of 24jun10 or morning of 25jun10.
• All grids/patterns had some short files
• the cross data using the ao interim correlator data was ok.
  
• Failures. Short file
  
• When a short file occurs you also see the available sample per channel entry getting large.
• Normally it is 300 to 500 . When it jumps to 2 or 3 million you get a short file
  
• The vi is using a timer to determine when it is done. This assumes a constant i/o rate. if the i/o rate slows down on the input or the output, then you'll get a short file.
• Since the available samples jumps to a large number,  it looks like the output is the culprit allowing the input to backup in the 10 megabyte buffer per channel.
• 5 7x7 grids tracking J1143+221.  focus=0
• corfile.24jun10.x101.8  (looks like there may be some old stuff in the first 30 samples of file ?
  
• rise to transit (za 11 to 3.7)
  
• these all have short files on the byu computer
  
• 3  5x5 wide grid (7.5 amin steps) 4 sec integration on M87 (extended source)
• Note these are taken as 5x1 strips in azimuth. The sequence number goes 1..5 for each strip. Look at the  start command az,za offset to see where the strip goes.
  
• corfile.24jun10.x101.9
• The byu had 5 short files in the 25 total files of the 3 grids. There was at least one short file in each grid.
  
• A2 super fine grid J1330+251 start (r.c:1.1  )   19:00 ast started
  
• z=0
  
• got to row4, pnt 4 and had to restart since the byu files were not all the same size. restart at 19:18
• moved cordata to junk
• restarted, got to row 5,12 .. still had short files. restarted labview 19:37 ast.. data file -> junk
• still small files. went up to reboot computer in dome. 
  
• mvdata to junk
• crosses on J1504+104 A0-A6. focus=0
• corfile.24jun10.x101.10
  
• Morning
• Crosses on J1859+129 foc=0 till W51 rises
  
• corfile.25jun10.x101.1
• 5x5 wide grid on W51. A0, foc=0 step by 7.5 Amin
• Note these are taken as 5 5x1 strips in azimuth. I've appended the row number to the source name W51_1,W51_2 ..W51_5 for each az strip.
• short files on byu system.
  
• exited lab view reentered.. still trouble
• reformatted disc, restarted.. still trouble
• switched to write to external drive.. still got short files
• corfile.25jun10.x101.2 .. saved last w51 map in corfile..this had short files on byu system
• A2 super fine grid finished but there are 40 bad files out of 963 total files
  
•  J2014+235  start (r.c:1.1 to 20.3) 
  
• corfile.25jun10.x101.3
• J2123+250   start (r.c:20.4 to  26.9 then failed)
  
• first file short on byu system .. restarted
• has many  short files in this section... but continued taking data...
• row 26 pnt 9 hung up
  
• corfile.25jun10.x101.5
• J2123+250 restarted on (r.c:26.9)
  
• restarted at that point
• continued to get short files
  
• 7x7 grids tracking J2253+161 focus=0 ..see if we can get
  
• got short files.. giving up on recording with byu system
• crosses  on position a0-a6 checking the pointing..J2250+143
• corfile.25jun10.x101.6
• crosses on J2340+224 a0-a6
  
• corfile.25jun10.x101.7
  
• crosses on J0020+156
• corfile.25jun10.x101.8
• 25jun10 (top)
• Installed dual pol antenna.
  
• 7x7 grids tracking J1445+099 2.9 Jy. 3 grids, z=0
  
• corfile.25jun10.x101.9
• 1st two grids ok.. 3rd grid had 3 short files
• 7x7 grids tracking J1609+266 , 2 grids z=0
  
• corfile.25jun10.x101.10
• both files ok, nolshort files
• shut off computer, left doors open shielded rack 10pm to 12:30am
  
• Morning
• corfile.26jun10.x101.1 - data at 1610,1612 byuhost off, on doors open , doors closed
• shows that rfi  in 1612 band when system on, doors open. So had to leave doors closed on byu rack
• 5x5 wide grid on W51 a0 PolA
  
• corfile.25jun10.x101.2
• 1st grid:
• did row 1 3 times (3rd had short files)
  
• row2:  1 short file
• row 3:  files good
• row 4: 5 points good, calfile at end short file
• row 5: all good
• 2nd grid
• row 1: 2 short files
• row 2: 1 short file
• row 3: 1 short file
• row 4: 1 short file
• row 5: 1 short (by only 3Mb)
• 3rd grid
• row 1: 1 short file
• row 2: 2 short files
• row 3: 1 short file
• row 4: 0 short files
• row 5: 2 short files
• 
  
• A2 superfine grid polA new antenna, z=0 (should have been -2.5cm since new antenna backplane lower by 2.5 cm)..
  
• J2014+234 start (r.c:1.1 to 21.5)
• corfile.26jun10.x101.3
  
• around row 3 openned front rear doors of rightmost rack, installed fan blowing through
• also removed front door of leftmost rack
• J2123+250 start (r.c:21.6 to )
• corfile.26jun10.x101.4
• switched correlator from 1665 to 1612 to see rfi
  
• hung up at 24.11.. 
  
• corfile.26jun10.x101.5 restarted at row.col 24.11 till end)
• 7x7 grids A0-A6 foc=-2.5cm
  
• corfile.26jun10.x101.6
  
• J2232+117
• A0: 4 short files
  
• A4: 4 short files
  
• A5: 6 short files
  
• A6: 2 short files
• switched to 7 +3 polAB mode
• dipoles 1-7, 8,13,16 connected pola and B
  
• 7x7 grid J0020+156 (1.8 Jy) A0, focus -2.5
• corfile.26jun10.x101.7
  
• A0 : short files
  
• A0 hung up row 2 pos 2.. restarted from the beginning
  
• corfile.26jun10.x101.8
• A0 : 6 short files
• 7x7 grid J0129+236 2.5 Jy. A1 thru A6 foc=-2.5
  
• corfile.26jun10.x101.9
• about 10% short files.
• 26jun10. (top)
• 7+3 polab 1-7 and 8,12, 16
• 7x7 course grids foc=-2.5
• J1609+266 (4.2Jy)   A0
• corfile.26jun10.x101.10
  
• Morning (27jun10)
  
• 7x7 grids  foc=-2.5
• J1840+097 (4.2 Jy)
• corfile.27jun10.x101.1
• A4. no short files
  
• A5: 1 short file (starting cal off)
• A6: no short files
• A1: no short files
• A2:no short files
  
• gpib Phase generator switched on . It has probably been off since sometime on 24jun10
• J2014+235: (13.6 Jy)
• corfile.27jun10.x101.1
  
• A3:no short files
• 15x15 grid A0.  J2014+235 foc=-2.5
• corfile.27jun10.x101.2
  
• 10% short files
• 15x15 grid A0.  J2014+235 foc=-2.5
• corfile.27jun10.x101.2
• 10% short files
• Switched to all polB configuration
• 7x7 course grids , foc=-2.5
• J2123+250
  
• A0: bombed start of row 7.. restarted on row 7 point 1
• corfile.27jun10.x101.3
  
• J2232+117
• corfile.27jun10.x101.4
  
• A4
• A5
• A6. bombed on row 7 point 7. restarted on row 7 point 6
• A1
• A2
• A3
• fine grid 15x15 A0
  
• J2253+161(13Jy)
• corfile.27jun10.x101.5
• finished row15, point 2  10 short files
  
• J2340+223 (1.89Jy)
  
• corfile.27jun10.x101.6
• started on row15 , point 3;
• 7x7 grid A0, focus = [-2.5+10]=7.5 cm
• corfile.27jun10.x101.7
• J2340+223 (1.89 Jy)
• did 2 7x7 grids

aug10 logfiles (top)

• 19aug10 23:30(18aug10) to 7am(19aug10) (top)
• single pol array . Has 2.5 cm standoff so add 2.5 cm to all requested focus positions.
  
• A0 fine grid. new data acquisition system. z=-7.5+2.5=-5cm to check that things are working
• J2123+250  foc -7.5 (row.col:1.1 to 15.15  .. no last cal .. source went out of the beam).
  
• ao amplifier after splitter did not have the 12 volt supplied to it so we have no ao recording of this.. the byu system is probably ok..
  
• dipole 4 connected to rcvr chain #20.
  
• A0 fine grid. Old data acquisition system. z=-7.5+ 2.5=-5cm
  
• J2232+117, (row.col 1.1 to end of grid)
  
• corfile corfile.19aug10.x101.1  ao recording working dipole1. (lag 0 power=.6 this grid).
  
• C5 fine grid. foc=7.5+2.5 = 10cm
  
• source J2340+223 (1.9Jy). (row.col 1.1 to end of grid)
• corfile.19aug10.x101.2
  
• crosses to check pointing till stronger source rises
• J2340+223 (1.9Jy). foc =-2.5+2.5= 0 cm
  
• A0,A4,A5,A6,A1,A2,A3,  A0,A4,A5 (last  one hit limit)
  
• corfile.19aug10.x101.3
• D5 fine grid. foc=7.5 + 2.5 = 10cm
  
• J0129+236 2.46 Jy row.col 1.1 to end
  
• corfile.19aug10.x101.4
• D6 fine grid. foc=7.5+2.5=10cm
• J0129+236 2.46 Jy row.col 1.1 to end
  
• corfile.19aug10.x101.5
• crosses to check pointing till source rises.
  
• J0141+138.. foc=-2.5 + 2.5= 0 cm
  
• corfile.19aug10.x101.6.
  
• A0 super fine grid z=7.5 + 2.5 = 10cm
  
• Source J0321+123. 1.76Jy @1400 Mhz. foc=10-2.5=7.5cm. (row.col:1.1 to 22.17)
  
• corfile.19aug10.x101.7
  
• Source J0502+252 5.7Jy at 1400.
  
• (row.col:22.18 to end of grid)
• corfile.18aug10.x101.8
  
• 20aug10 (19:00 to 23:45 ast) (top)
• A2 super fine grid foc: 7.5+2.5=10cm
  
• J1640+123 (2.1Jy@1400) (row.col 1.1 to 12.13)
  
• corfile.20aug10.x101.1
• J1758+134 (2.0 Jy @1612) (row.col 12.14 to  29.13)
• corfile.20aug10.x101.1
• J1840+097 (actually 1845+098) 4.15Jy @1612. (29.14 to end)
• i had typed the name in wrong. but position was ok..
• corfile.20aug10.x101.2
  
• switched rcvr chain 1,2,3 <->17,18,19
• A1 super fine grid foc= 7.5+2.5=10cm
  
• J2014+235 (13.6 Jy ) (row.col 1.1 to 23.9 )
• corfile.20aug10.x101.3
• 23aug10 (6:00 to ..) (top)
• A1 super fine grid cont.
• J0321+123 (1.76 jy) row.col (23.10 to 28.28)
• corfile.23aug10.x101.1
  
• J0502+252 (5.77 @1400) (28.29 to end)
• corfile.23aug10.x101.1
• A3 super fine grid: foc=7.5+2.5=10cm
  
• J0502+252 (5.77 Jy @ 1400) (1.1 to 15.31 )
• corfile.23aug10.x101.2
• 23aug10 : 17:00 afternoon (top)
• dual pol array installed, new datataking with both pols
• AO connect polA dipole1a, polB dipole2b
• A0 fine grid (focus=-5 + 2.5 = -2.5 cm... This was supposed to be -5cm.. i messed up).
  
• J1445+099 (2.99 jy at 1665) 1.1 to end
• corfile.23aug10.x101.3
• A3 superfine grid continued
• J1609+266 4.23 Jy row.col foc = 10. (16.1 to 22.6.. failed on 22.7) restarted..
  
• corfile.23aug10.x101.4
• J1609+266 4.23 Jy row.col foc = 10. (22.7 to 28.31 then byu program stopped..)
• corfile.23aug10.x101.5
• 24aug10 : 5:30 am.. (top)
• A3 superfine grid (continued)
• J0321+123 (row.col 29.1 to end)
• corfile.24aug10.x101.1
• A4 superfine grid foc=10cm
• J0321+123 (1.76 Jy @1400) foc=10 (1.1 to 6.2)
  
• corfile.24aug10.x101.2
• J0502+252 (5.77Jy @1400)   (6.3 to 13.19)
• corfile.24aug10.x101.3
• A0 fine grid J0502+251 (5.77 Jy @1400) foc= -5 + 2.5 = -2.5 cm
  
• repeat from last night to check lousy sensitivty maps with dual pol System (2 pols recording).
  
• upped phase cal amplitude
• node 2 not working so only took data with polB nodes on byu system
• J0502+251 (5.77Jy @1400) foc=-5 +2.5 = -2.5cm
• 1.1 to 8.14 then timedout
• corfile.24aug10.x101.4
• 8.14 to end
• corfile.24aug10.x101.5
• 24aug10 (18:00) (top)
• Position C7 crosses to find center
  
• positioner angle,radius:C7   289.1   40.6
• same angle as C5 but radius closer in (C5 rad=51.5).
• skyOffsets: 8.212,3.852
• corfile.24aug10.x101.6
  
• A0 fine grid dual pol system. Replace phase cal cable that was bad. foc=-5+2.5=-2.5cm
  
•  J1609+266 (4.23 Jy). (1.1 to )
• corfile.24aug10.x101.7
  
• 25aug10 (23:00 24aug10 to 8:00 25aug10) (top)
• Using old 20 chan system with dual pol array polA
  
• C6 fine grid foc= 7.5+2.5=10cm
• J2123+250 (10.34Jy)  (1.1 to end )
• corfile.24aug10.x101.8
  
• C7 fine grid foc=7.5+2.5=10cm (see above for def of C7 position)
• J2232+117 (7.2 Jy)  (1.1 to end )
• corfile.25aug10.x101.1
  
• A5 super fine grid foc=7.5+2.5=10cm
• J2232+117 (7.2 jy) (1.1 to 8.24)
• corfile.25aug10.x101.2
  
• J2340+223 (1.89Jy) (8.25 to 24.8 ) last point tried 24.9 probably went out of beam
  
• corfile.25aug10.x101.3
• J0129+236 (2.46 Jy @ 1665)  (24.9 to end)
• corfile.25aug10.x101.4
• A6 super fine grid foc=7.5+2.5=10cm
• J0129+236 (2.46 Jy @1665) (1.1 to 14.16)
• corfile.25aug10.x101.5
  
• J0318+164 (7.69 Jy @ 1665)
  
• (14.17 to 23.4) then hit keyhole.. waited about 24 minutes to come out
• (23.5 to end)
  
• corfile.25aug10.x101.6
• A4 super fine grid. foc=7.5+2.5=10cm. dual pol arr with old single pol data taking.
  
• restart A4 since i don't know if old data taken with 2 pols was ok
• J0502+252 (5.77Jy @1400). (1.1 to 20.31)
• corfile.25aug10.x101.7Absorber measurement
• 25aug10 17:00 (top)
• Testing dual pol array with 40 chan system.
  
• added line driver for trigger inputs,
  
• A0 fine grid J1609+266 (4.23 Jy) (0.0 to end)
• corfile.25aug10.x101.8
• crosses on J1609+266 foc=-2.5+2.5=0
  
• D6 new position (offset az by 3 amin)
• updated skyoffsets file
• C2 Position crosses
  
• updated skyoffsets file
• corfile.25aug10.x101.9
  
• 26aug10 (23:00 25aug10 to 8:00 26aug10)  (top)
• D6 fine grid (with updated position) foc=7.5+2.5=10cm
• J2123+250 (10.34Jy) (1.1 to end)
• corfile.25aug10.x101.10
  
• 
  
• C1 fine grid. foc=7.5 + 2.5 = 10cm
• J2232+117 (7.2 Jy) (1.1 to end )
• corfile.26aug10.x101.1
• 
  
• A4 superfine grid (continued) foc= 7.5+ 2.5=10cm
• J2232+117 (7.2 jy) (21.1 to 30.25)
• corfile.26aug10.x101.2
• J2340+223 (1.89 jy) (30.26 to end)
• corfile.26aug10.x101.2
  
• A3 super fine grid (continued) foc=7.5+2.5=10cm
• J2340+223 (1.89 Jy @1665) (16.1 to 19.14) then byu drive filled up..
• last 3 files were small so restart on 19.11
  
• corfile.26aug01.x101.3
• J2340+223 continues (19.11 to 28.7  ) redid last point just in case..
• corfile.26aug10.x101.4
• J0129+236 (2.46 Jy) (28.8 to end)
• corfile.26aug10.x101.5
• Crosses on D1 position
• J0129+236  updated D1 position
• corfile.26aug10.x101.6
• Crosses on Weak source J0133+234 (just ao system)
  
• corfile.26aug10.x101.7
• byuCross on weak source J0133+234 (27mJy @1405Mhz) foc=-7.5 + 2.5=-5cm
  
• offset -3amin,step 1.5 amin, off then 5 steps in az.  (no za steps.. byu system doesn't reply to 2nd setup)
• repeated az strips twice
• corfile.26aug10.x101.8
  
• D1 fine grid foc=7.5+2.5=10cm
• J0318+164 (7.7Jy) (1.1 to end)
  
• corfile.26aug10.x101.9
• crosses on weak source A0, foc=-7.5+2.5=-5cm (ao data only)
  
• J0319+141 35 mJy
• corfile.26aug10.x101.10
• byucross on weak source J0319+141 (35 mJy @1405Mhz). foc=-7.5 + 2.5=-5cm
• offset -3amin,step 1.5 amin, off then 5 steps in az.
• repeated cal azstrip 3 times.
  
• corfile.26aug10.x101.11
  
• C2 fine grid foc=7.5+2.5=10cm
• didn't have a chance to check the position offsets...
  
• J0318+164 (7.7Jy) (1.1 to 13.12) ran out of time.. that's all for this grid.
  
• corfile.26aug01.x101.11 (has weak source at start of file)
  
• switched to 40 chan system dual pol
  
• A0 fine grid on polarized source foc= -5+2.5=-2.5cm
• J0521+166 (3C138) 7% pol 8.48 Jy (1.1 to 15.10) didn't finish last row, no last cal.
  
• corfile.26aug10.x101.12
• Extended Source mosaic Crab foc=-7.5+2.5=-5cm
• 5x5 mosaic
• 4 sec integration, 7.5 Amin step, cal at end of each row
• corfile.26aug10.x101.13 .. but ao power levels are off ...byu system probably ok.
  


• Absorber measurement:
• Use   byucal routine
• 15 secs on sky          (source:calOnSky)
• blank sky 070500,231608 ra,dec
• 15 secs on absorber (source:calOnAbsorber)
• sequence:
• on sky pos A0 scan:23801780
  
• on absorber temp=84.2
• on absorber
  
• on absorber temp=84.7
• on sky (but in stow position)
• on sky position A0
• on sky position A0
  
• corfile.26aug10.x101.14
  
• DONE

 home_~phil