• a3285 mano
  
• a3299 mano.. datafiles output to a3285
  
• a3398 - mano interstellar comet
• t3347 -mano. parker solar probe. command files in a3299, datafiles output to a3285
  
• a3399 mario,alessandra,
• a3417 mario , alessandra
  
• a3460: covid19 runs during shutdown.
  

• 2019
• 2020
  

Intro: (top)

processing notes:

• 190525: re-computed all spectra, modulation indices for 2019. (probably need to look at 2018 later..)
  
• The spectra were ok  but they had been scaled incorrectly since i had switched from scaling by srcDeflection, then to Tsys.
• DC had also been set to 0.
  
• The modulation index had been computed incorrectly (when i switched from scaling by source deflection to Tsys).
• The scaling is now:
• do not remove dc when computing the spectra
• remove white noise using the median of spectral freq channels 65 hz -> max freq.
  
• normalize the spectra to the  sum of freq channels .1hz to 59.7 hz ( modulated power)
  
• Compute the modulation index as the sqrt(sum(spc[.1 to 59.7hz])/spc[dc]) .. ( i guess 1/spc[dc] would be just as good since sum (.1 to 59.7 hz is set to 1:).
• all movies were recomputed. the .sav files in /share/ips/2019 were updated..
• 190805: recomputed all spectra and modulation indices for 2019. fixed factor of sqrt(2) in mindex.
  
• When computing the spectra, i used 1/2 the channels from the fft (since a real xform).
• The entire spectra was then scaled by the sum of  spectral channels .1 to 59.8hz (the scintillating power).
• When computing the m-index i used  sqrt((sum .1 to 59.8 hz)/spc[0])  since spc[0] is the dc component.
• The problem was:
  
• when using only half the channels for the real xform, you need to scale the spectral points up by 2 (since you threw  away the negative freq).
• But DC should not be scaled up by 2 (since it only occurs once).
  
• So the spectra were ok, but the mindex was too small by sqrt(2.)
• i redid all the spectra so that after scaling all of the spectra by (sum spc[1..n]), I  multiplied spc[0] by *.5. This increased all mindices computed from the spectra by 1.414
• spectra with too much high freq power
• This looks to be coming from  lightning getting into the data.
  

Observations: (top)

    The sources observed by date and receiver were:

• I've included the project number along with the date.
• a3299 has been grouped with a3285 (same group)
• a3339 separate group
• some codes:
• (w) weak signal (< 10db)
  

• date

  proj

  B0003-003

  B0019-000

  B0029+196

  B0056-001

  B0106+013

  B0116+082

  B0116+319

  B0127+233

  B0134+329 3C48

  B0138_136

  B0221+276 3C67

  B2337+132

  190327 epsilon

  a3285 notes

  lbw,sbh 5.0

  lbw,sbh 2.3

  lbw,sbh 17.5

  lbw 11.3

  lbw,sbh 35.2

  190329 epsilon

  a3285 notes

  lbw(2) 7.0

  lbw 3.7

  lbw 7.7

  327,lbw 13.0

  327 33.7

  327 20.3

  lbw,sbh 16.1

  190404 epsilon

  a3285

  327,lbw 9.3

  lbw 5.8

  327,lbw,sbh 14.5

  190411 epsilon

  a3285

  327,lbw 19.8

  327,lbw 16.1

  lbw 9.5

  327(2),lbw,sbh(2)' 25.3

  190414 epsilon

  a3285

  lbw 22.7

  327,lbw 19.0

  327,lbw,sbh 11.9

  327 14.3

  327,lbw 23.9

  lbw,sbh,cb 5.4

  190425 epsilon

  a3285

  327,lbw 22.0

  327,lbw,sbh 13.5

  327,lbw 22.3

  327,lbw 14.22

  327 21.4

  190430 epsilon

  a3285

  327,lbw,sbh 18.3

  327,lbw 23.6

  327,lbw 16.6

  327,lbw 21.8

  327,lbw 13.2

  190508 epsilon

  a3285

  327,lbw 26.1

  190514 epsilon

  a3285

  lbw 31.9

  190525 epsilon

  a3285

  327 35.5

  327 24.5

•  
  

• date

  proj

  B0202+149

  B0316+162 CTA21

  B0319+121

  B0320+053

  B0333+128

  B0333+321

  B0345+337

  B0425+214

  B0428+205

  B0518+165

  B0531+194

  B0548+165

  190508 epsilon

  a3285

  327,lbw,sbh 13.4

  lbw,sbh,cband 4.5

  lbw 12.8

  lbw,sbh 9.6

  190514 epsilon

  a3285 notes

  sbh,cb,xb 2.4

  327,lbw 13.0

  lbw,sbh 6.3

  190521 epsilon

  a3285

  lbw,sbh,cb 8.6

  327,lbw 10.5

  327,lbw 16.1

  lbw,sbh,cb 8.0

  lbw 12.6

  190525 epsilon

  a3285 notes

  327 29.7

  sbh 12.3

  lbw,sbh 13.3

  lbw,sbh,cb 5.5

  190526 epsilon

  a3285 notes

  lbw,sbh 13.3

  327,lbw(gps) 13.7

  327,lbw 13.7

  lbw,sbh,cb 4.6

  lbw 17.0

  190604 epsilon

  a3285

  327,lbw 21.9

  327 17.4

  lbw,sbh 4.6

  lbw,sbh,cb 4.4

  lbw,sbh 9.6

  190618 epsilon

  a3285

  327,lbw 18.0

  lbw,sbh,cb 9.0

  sbh,cb 4.8

  sbh 6.9

  190626 epsilon

  a3285

  lbw,sbh 15.3

  lbw,sbh 11.2

  
  

• date

  proj

  B0600+219

  B0601+203

  B0618+145

  B0622+147

  B0629+160

  B0632+189

  B0656+213

  B0725+147

  B0758+143

  B0818+179

  B0831+171

  B0850+140

  190618 epsilon

  a3285

  lbw 5.2

  327 12.2

  327,lbw 12.8

  190626 epsilon

  a3285

  lbw,cb 3.9

  lbw,sbh 4.6

  lbw 8.8

  lbw,sbh 8.8

  190706 epsilon

  a3285 notes

  327,lbw 13.2

  327,lbw 13.3

  lbw,sbh 12.4

  sbh 9.4

  lbw,sbh 7.1

  190709 epsilon

  a3285

  327,lbw 16.1

  327,lbw 16.1

  327,lbw 13.6

  lbw 11.5

  lbw 9.5

  lbw,sbh 3.3

  190728 epsilon

  a3285

  327,lbw 15.3

  lbw,sbh(w) 8.2

  lbw,sbh,cb 2.2

  lbw,sbh,cb(w) 2.4

  lbw,sbh(w) 7.6

  190731 epsilon

  a3339

  lbw,sbh,cb 4.7

  sbh,cb 2.0

  lbw,sbh(w) 5.2

  190802 epsilon

  a3339

  lbw,sbh,cb 6.5

  lbw,sbh,cb 3.5

  lbw,sbh,cb 4.0

  190803 epsilon

  a3285

  327,lbw 20.5

  327,lbw 12.8

  lbw,sbh 7.4

  lbw,sbh 4.3

  lbw,sbh(w) 3.7

  190808 epsilon

  a3285

  327,lbw 25.1

  327,lbw 17.1

  lbw 12.1

  lbw,sbh 9.0

  lbw 5.1

  190817 epsilon

  a3339 notes

  327,lbw 17.6

  190819 epsilon

  a3285 notes

  327 14.7

  190831 epsilon

  a3285

  327 26.0

  190904 epsilon

  a3339 notes

  327,lbw 29.9

  
  

• date

  proj

  B0855+143

  B0917+181

  B0933+045

  B0939+139

  B0939+140

  B0952+179

  B1005+077 3C237

  B1008+066

  B1019+222

  B1025+154

  B1040+123

  B1043+159

  190731 epsilon

  a3339

  327,lbw 15.3

  190802 epsilon

  a3339

  lbw 13.4

  190803 epsilon

  a3285

  lbw 3.6

  lbw 12.5

  190808 epsilon

  a3285

  lbw 3.8

  lbw 2.6

  lbw,sbh(w) 7.7

  327,lbw 16.2

  190817 epsilon

  a3339 notes

  lbw 9.4

  lbw,sbh 8.0

  327,lbw 12.0

  lbw 10.3

  190819 epsilon

  a3285 notes

  327,lbw 13.3

  lbw 9.4

  lbw 9.4

  lbw 2.8

  lbw,cb 6.4

  lbw 11.4

  lbw 8.8

  327,lbw 12.1

  190831 epsilon

  a3285

  327 24.8

  lbw 14.4

  lbw 13.7

  lbw 7.4

  327,lbw 13.8

  lbw 6.9

  lbw 3.6

  lbw 7.4

  190901 epsilon

  a3339

  327,lbw 16.5

  327,lbw 15.4

  327,lbw 15.4

  327,lbw 8.2

  327,lbw 14.4

  327,lbw 7.5

  190902 epsilon

  a3339

  327 22.8

  327,lbw 17.3

  327,lbw 16.4

  327,lbw 16.4

  lbw,cb 9.1

  327,lbw 15.0

  lbw 7.8

  190903 epsilon

  a3339

  327 23.8

  327,lbw 17.3

  327 17.3

  327,lbw 10.0

  lbw 9.3

  327,lbw 15.7

  lbw,cb 4.7

  190904 epsilon

  a3339 notes

  327,lbw 18.3

  327,lbw 18.4

  lbw,cb 10.9

  lbw* 10.2

  lbw,cb 5.3

  190906 epsilon

  a3285 notes

  327 20.2

  327 20.3

  327,lbw,sbh 12.7

  lbw,sbh 6.9

  190910 epsilon

  a3285 notes

  327,lbw 16.5

  lbw,sbh 10.4

  190913 epsilon

  a3285 notes

  327,lbw 19.3

  327,lbw,sbh 13.1

  190917 epsilon

  a3285 notes

  327 23.1

  327,lbw 16.9

  190919 epsilon

  a3285 notes

  327,lbw 25.1

  327,lbw 18.8

   
  

  date

  proj

  B1107+110

  B1116+128

  B1120+057

  B1124+126

  B1138+015

  B1147+130

  B1226+023 3C273

  190903 epsilon

  a3339

  lbw 9.0

  190904 epsilon

  a3339

  lbw 8.0

  190906 epsilon

  a3285 notes

  lbw,sbh 5.0

  lbw,sbh 7.8

  lbw 6.1

  lbw 9.0

  327 11.7

  190910 epsilon

  a3285 notes

  lbw,sbh 5.8

  lbw,sbh 7.7

  lbw 2.5

  lbw 8.1

  lbw 7.9

  327 19.1

  190913 epsilon

  a3285 notes

  lbw,sbh 7.7

  lbw,sbh 8.8

  lbw 1.7

  lbw 8.6

  lbw 5.0

  327 11.0

  327,lbw 16.3

  190917 epsilon

  a3285 notes

  lbw 11.0

  lbw 11.3

  lbw 5.0

  lbw 10.5

  lbw 1.3

  327,lbw 10.8

  327,lbw,sbh,cb 12.6

  190919 epsilon

  a3285 notes

  lbw 12.8

  lbw 12.9

  lbw 6.9

  lbw 11.8

  327,lbw 11.3

  327,lbw,sbh 10.8

  
  
• 
  
• Notes:
• rcvr(w) --> weak signal
  
• 190327: 11:00 to 13:00
  
• the datataking script was run from a3285.. (that's the projid i entered in cima).
• Used the command file 190327.cmd.. Some lines were commented out after they were executed (for some restarts we did).
  
• first source didn't rise till 11:20
  
• lbw. the 1370 hipass filter was "stuck in" for polB. So there was very little power below 1370Mhz polB. You need to ignore the 1160 and 1240 bands for polB.
  
• It was hot. the tiedowns were losing tension. especially for the low dec sources. When moving off source, the signal sometimes got stronger before it went to the off. Sometimes there was no change between the on and the off. Looking at the pnterrrot for this day, the offsets were up to an arc minute.
• 190329: 11:00 to 13:00
  
• the datataking scripts are in a3299 (ale entered that when starting cima). The datataking files are still called a3285 (that's in the config file).
• The sources were done manually.
  
• 190514: 11:00 to 13:00
• lost tension in tiedown cables.. probably not pointing at all sources
• cta21 xband. off position was much stronger than on. sidelobe of the sun.
• 190525:see processing notes above.]
• 190525: 10:45 to 12:45
• trouble with mock setup  not getting applied.
  
• B0316+162 lbw had to be discarded
• B0428+205 sbh used 1ms rather than 2ms sampling.. just split the save files into two sets ips_190525sbh1,2 .sav since number of  samples differed.
• B0428+205 cb used sbh mock setup. had 7 bands rather than 5. so just excluded the last two bands
• 190526: 10:45 to 12:45
• trouble with mock setup not getting applied
• B0518+165 327 ended up using cband setup.. 327 measurement excluded.
• B0333+321 lband was saturated by a gps satellite very close to the beam.
• 190706
• trouble with mock setup for B0629+160 lbw.. skipped.
• lost tension in tiedown during B0632+189.. about 60 asecs off in pointing.
• 190817:  sbh had warmed up
• checking the Tsys measurements after the run, it looks like sbh had warmed up before the run.. (tsys was about 160K instead of 30K).
• 190819: lots  of rain and lightning during run
• turns out the lousy spectra are from lightning.. since it's broadband, it harder to remove.
• 190904
• B1008+066 polA has no signal . One of the polA rf switches in the if/lo didn't switch correctly. It should be replaced.
• B0850+140 lbw.. weak.. epsilon was 29... probably too far for lbw.
  
• B1040+123 at cband,. The platform tilt was large for this measurement.. The pointing error was probably 40Asecs (FWHM bmwidth is 60 asecs at cband).
• 190906
• 12:00 dark clouds, heavy rain, lighting
• 12:30 heavy rain stoppped. but still some lightning
• 190910
• only a few clouds. did not hear any thunder..
  
• B1120+057 (lbw) had an epsilon of 2.5.. the off was in a sidelobe of the sun.
  
• B1138+015 (lbw). large pointing error. 120 asecs rotation, 70 asec focus, 14cm out of focus
• B1226+023 (327). pntErr: 130asec rotation, -60 focus, 13cm out of focus.. probably not a problem for 327.
• 190913
• B1120+057. epsilon=1.5deg. when on source, the background went way up from a sidelobe on the sun.
• 190917
• cloudy but  now very much lightning
• B1138+105 lbw, epsilon=1.3 deg, pointing,focus errors.
  
• loosing tension td 12. rotationPntError: 120 asecs, focusPntError:-30 Asec. platform 8cm low
• Power very high from sun sidelobe. Tsys probably very high
• Adjusted power way off source. When moving on source (onto sun sidelobe) we didn't have very much dynamic range
• can see compression from radars  (12 second period).
• Strong standing wave in spectra
• With large pointing error, the source is on the edge of the beam.
• any platform oscillations will the pointing up,down the steep edge of the beam.. giving total power oscillations.
• platform oscillations: vertical .36 Hz, rocking along az arm: .57 Hz (more info)
• B1226+023 pointing errors
• lbw: rotationPntError: 50asecs, focusPntErr:-40asecs, about 9cm out of focus
• sbh: rotationPntError:35 asec,   focusPntErr:-35asec, 8cm out of focus
• cband: rotationPntError:-20 asecs, focusPntErr: -40 asecs, 9 cm out of focus
• fwhm (FullWidthHalfMax) of beams
• lbw: 200 Asecs,
  
• sbh:  85 Asecs
• cband: 60 Asecs
• pnt error of 1/2 fwhm is down 3db
• out of focus by lambda (along the paraxial ray) is down by 3db.
• 190919
• high clouds, but no obvious lightning
• B1005+077: lbw band 1160,1240and 1620  80Mhz bands corrupted by  gps satellite close to the beam (1175,1228, and 1575 Mhz).
• B1120+057: rotErrAsec=35, focErrAsec=-20, focErrCm=-6
• B1147+130: a few negative going spikes on oscilloscope.
• B1226+023
• 327: rotErrAsec:85, focErrAsec=-50, focErrCm=-11
• lbw: rotErrAsec: 60, focErrAsec=-50, focErrCm=-12
• sbh: rotErrAsec: 60, focErrAsec=-55, focErrCmd=-12
• .239 and .446 Hz oscillations while on source probably from platform oscillations (more info)
  

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