Phil's home page (does this guy have a life??)

( phil perillat )    (naicHomePage)   (Google)
 page modification history

Telescope calibration:

    gain curves
    sefd curves
    system performance (all receivers)
    cal values
    focus curves
    system temperature
    multi frequency measurements
    temperature: platform,bowl,turret room, gain dependence
    stokes calibration
    miscellaneous
Individual receiver calibration pages
47 Mhz 327 Mhz 430 dome
430 linefeed (on ch) 430 yagi (on ch) 610  800Mhz
lbw     (lbn_removed) lband on ch (seti@home) Alfa multi beam
sband narrow (radar) sband wide (1.7-3 Ghz) sband hi (3-4 Ghz)
cband (4-6 Ghz) cband hi (6-8 Ghz) xband (8-10 Ghz)
byu phase array feed

 
NSF Senior Review 2006

Monitoring:  ..top

   The telescope monitor displays
 
Monitor Info
System Temperatures Platform temperature
Dewar Temperatures
alfa temps,DrainV,drainI,GateV
 Gregorian Receiver Room temps


Rfi: fractional occurrence by month Rfi: tv station pwr vs time
Rfi: hilltop monitoring system azimuth motor torques


Alfalfa drift scan survey
AGES drift scan survey		  alfa stability TsysA/TsysB
DailySystemTemps (excluding alfa)
 alfa Tsys by Month


Disc usage: wapp spectral line Laser ranging distomat dropouts
Disc usage: wapp online pulsar wind meter on platform
Ao compute server list
Ao network switches		 tiedown tensions
Crontab file that runs daily to plot the data.
 monitor pdev hardware

Misc. links:  ..top

Software

Jeff mock's pdev spectrometer
 rfi:
optics:
pointing:
hardware devices:correlator, tertiary, drive systems,etc:
Astronomical surveys
observing techniques:
system modification history:
problems while observing
little known facts:
The Flat family visists the Arecibo Observatory
talks
Notes to myself
User projects
photos (yes phil finally broke down and bought a camera)
Out of date links:
     weekly report of problems (thru 2006).

Telescope calibration: ..top

  1. Multi frequency measurements. ..top

    2. System performance multi freq. measurements.
    Compare gain/sefd sep00, aug02 (dec02)
    Comparison of gain before and after reflector adjusted  (CTA21,C3138) (mar02)
    Tsys vs turret offset for lbw, lbn, sbn, sbw,cband,and xband (feb02).
    Gain and Sefd for multiple receivers using 3C48 and 3C138 (dec01)
    Pitch, roll, focus correction at multiple frequencies on 3C48, CTA21 (feb01)
    CTA21 sefd, tsys, and gain at lband, sband, and cband (aug00)
     
  2. Temperature dependence. ..top

    3. System gain stability vs rotary floor room temperature (cband)
    System gain stability vs rotary floor temp.. lbw (12jun01).
     
  3. Miscellaneous  ..top

    4. - Compare turret scans with heiles calibration method (apr01).
    - plots of  source tracks by declination across the dish.
    - az,za max sky velocity vs za.
     - lst by date , ast hour for 2006 (.ps) (.pdf)
     -Tsys  variation during azimuth swings with dome at 19 degrees.
        Tsys bumps every 120 degrees and the sun getting into the beam (26dec00).
    - 06may01 azimuth blown by wind while brakes are on.
    _ Fractional gain versus surface error by frequency (ruze curves).
    _pfg Atmospheric contribution to sky temp. Sky temp 1 to 15 Ghz.
    _lisa Plot of power of LO at first mixer. new and old cable (19apr02)
    _snezana and chris Frequency switching with AO telescope (03jun02)
    _24jul02 1.2 hz gain variation in xband rcvr from the crosshead.
    - 16jul04 tropical storm jeanne, wind speed and platform vertical oscillation frequencies.

Software ..top

Documentation:

Standalone programs/filters.
Using idl to process AO spectral line data (in progress)
Fits file formats used at AO (in progress)
idl data structure for interim correlator data.
intel documentation

Idl software documentation:

  • software modification history.
  •  generic idl routines.
  • idl routines for correlator data
  • idl routines for correlator mapping
  • idl routines to reduce calibration (spider) scans
  • idl routines for wapp spectral line fits data
  • idl routines for mock spectrometer fits files (masxxx routines)
  • idl routines for mock spectrometer psrfits files (psrfxxx routines)
  • idl routines for galfa spectral line data 
  • idl routines for wapp pulsar data.
  • idl routines for aeronomy data
  • idl routines to display tec beacon data.
  • idl routines for mock spectrometer .pdev files
  • idl routines for rdev radar processor.
  • idl routines for AO satellite prediction.
  • idl routines for user specific projects 
  • idl routines to read ri (a/d) data.
  • Spectral line archiving (AUSAC mar03)
  • pointing related idl routines.
  • idl routines for x111 image display
  • idl routines for hilltop rfi monitoring display
  • idl routines to look at histograms of fractional occurrence of rfi
  • idl routines related to  rfi
  • idl routines for platform height using the laser ranging (distomats).
  • idl routines to read and display dewar info (after 19dec02).
  • idl routines to read and display dewar temperatures (before 20dec02).
  • idl routines for alfa dewar monitoring
  • idl routines to look at az,gr,ch data.
  • idl routines to look at tiedown data.