Pulsar observers should now request to use VEGAS in pulsar modes.We will endeavor to make GUPPI available for simultaneous, dual backend use for long term timing ...
TGBT19A_502_08 Test of new i0100x8192 and c0800x0064 BOF files Goals * Test new i0100x8192 and c0800x0064 BOF files * i0800x0100x65k_04t_tmp5_2019_Jun_1...
TGBT19A_502_04,05 VEGAS LBW Pulsar Modes Release Goals * Release new M C version to support VEGAS LBW pulsar modes and some new HBW BOF files * Test BTL co...
TGBT19A_502_02 VEGAS LBW Pulsar Modes Release Goals * Release new M C version to support VEGAS LBW pulsar modes and some new HBW BOF files * Test BTL confi...
TGBT19A_502_01 Additional LBW Astronomical Commissioning Goals * Test all incoherent LBW modes in cal, search, and fold * Get fluxcal data in all LBW modes...
TGBT18B_502_15 Additional tests of LBW branch Goals * Test the following BOF files on the LBW branch * i0800x2048_x14_7_24t_095binw_2019_Mar_20_1557.bof...
TGBT18B_502_14 Timing Offset Tests with AP Goals * Take coherent mode data with the artificial pulsar hooked directly into the GUPPI and VEGAS ADCs to better ...
TGBT18B_502_13 New HBW Inco. BOF Files Astronomical Commissioning Goals * Test new 800 MHz and 1500 MHz incoherent dedispersion BOF files. Will use J1713 0747...
TGBT18B_502_12 New HBW Inco. BOF Files Astronomical Commissioning Goals * Test new 800 MHz and 1500 MHz incoherent dedispersion BOF files. Will use J1713 0747...
TGBT18B_502_11 FFTSHIFT and variance tests Goals * Astronomical commissioning observations for all LBW modes. * All data will be taken on J1713 0437 ...
TGBT18B_502_10 FFTSHIFT and variance tests Goals * Take some incoherent search mode data with different fftshift values to look at effect on bandpass variance...
TGBT18B_502_09 Additional LBW tests Goals * Look for correct frequency labels in Modes 1 3 * Investigate switching signal control in i0100x1024 mode * I...
TGBT18B_502_08 Additional LBW tests Goals * Test switching signal control in all LBW modes * Regression style testing of all HBW pulsar modes and all spect...
TGBT18B_502_07 Additional LBW tests Goals * Test control and set up for coherent de dispersion modes Details * M C version switch began at 09:30 * Subm...
TGBT18B_502_06 Timing Offset Observations Goals * 30 minute scans on B1937 21 to measure VEGAS/GUPPI timing offsets again. Details * This was an impromptu...
TGBT18B_502_05 Additional LBW tests Goals * Ray fixed the calculation on ACCLEN in incoherent modes. Check this and see if it improves bandpass shapes. ...
TGBT18B_502_03 Additional LBW tests Goals * Test shared memory parameters * Test IF tuning * Test tone injection Details * Note: Ryan is at AAS in S...
TGBT18B_502_02 Incoherent BOF files check outs Goals * There was a bug in a previous version of incoherent dedispersion BOF files causing an 8 channel shift i...
TGBT18B_502_02 LBW tests round two Goals * Test changes to shared memory setting in CODD mode * Test that group numbers and IF tunings are consistent * ...
TGBT18B_502_01 LBW tests round one Goals * First round of testing of modifications to config tool and VEGAS M C to support low bandwidth (100/200 MHz) modes. ...
TGBT15A_915_152 BOF file tests Goals * Test the following new BOF files that have a fix for a reflection in the bottom few channels * c1500x4096_x14_7_tbinw...
VEGAS Pulsar BOF File Status This page describes the status of the VEGAS Pulsar Mode bof files. The naming convention for the mode names (and bof files) is encode...
TGBT15A_915_146 LBW bof file verification Goals * Verify the LBW BOF that will be used for pulsar modes. This will be done by actually passing it through the sp...
TGBT15A_915_141 Test Packet Loss in Long Coherent Search Mode Scans Again Goals * On two occasions observers have reported excessive packet loss during coherent ...
TGBT15A_915_140 More tests of wideband configurations for C Band, X Band, and KFPA Goals * Further tests of wideband VPM configurations for C Band, X Band, an...
TGBT15A_915_137 Test wideband configurations Goals * Test wideband VPM configurations for C Band, X Band, and KFPA for Tim Pennucci's GC magnetar project (AGB...
TGBT15A_915_137 VPM Scale and Filter Tests Goals * Test smaller fftshift values with 950 MHz IF module filter * Find better vegas.scale value for c0800x051...
TGBT15A_915_137 VPM Scale and Filter Tests Goals * Test VPM scale factors with 1400 MHz and 950 MHz IF filters for incoherent and coherent 800 MHz modes Details...
TGBT15A_915_136 Test Packet Loss in Long Coherent Search Mode Scans Goals * During project AGBT18A 261 we noticed that VEGAS was occasionally dropping lots of p...
TGBT17B_501_04 Additional VPM Acceptance Tests Goals * Test VEGAS modes using new kernel that Joe installed * Test BTL under v18.2 Details * Joe instal...
TGBT17B_501_05 Continue Spectral Line Regression Tests, other M C v18.2 Tests Goals * Test spectral line modes 1, 4, 7, 10, 15, 20, 22, and 29 with position s...
TGBT17B_501_04 Additional VPM Acceptance Tests Goals * Test all search modes * Test all 32 and 64 channel modes * Test all c1500 and i1500 modes using B...
TGBT17B_501_02 VPM Acceptance Tests Goals Observe B1937 21 in all coherent dedispersion modes. Use dual backend operation with GUPPI when possible so that the t...
TGBT17B_501_03 Spectral Line Commissioning Tests (Baseline) Goals Collect position switched data on a bright HI source as a baseline comparison for regression te...
TGBT17B_501_01 VEGAS Spectral Line Commissioning Tests (Baseline) Goals Gather a baseline data set using classic VEGAS in order to compare with Matrix version. ...
VEGAS Pulsar Project Meeting Sprint Review: 2017 December 18th 14:00 15:00pm ET Present * Joe, Jason, Ryan Sprint Story Overview * VE 357: Monitor fre...
TGBT15A_915_133 Tests over Thanksgiving Shutdown Goals Take advantage of the time available during the Thanksgiving shutdown to: * During the Thanksgiving shu...
TGBT15A_915_131 Tests over Thanksgiving Shutdown Goals Take advantage of the time available during the Thanksgiving shutdown to: * Thoroughly test of all spec...
VEGAS Pulsar Project Meeting Sprint Review: 2017 November 20th 14:00 15:00pm ET Present * Ryan, Natalia, Joe, Ray Sprint Story Overview * VE 335: Disc...
TGBT15A_915_130 32 Channel Pulsar Mode and Other Tests Goals * Test 32 channel pulsar modes * Collect 32 channel RAW mode data * Test fftshift values for 5...
TGBT15A_915_128 Matrix Adapter and Other Tests Goals * More tests of the Matrix adapter that should allow for automatic switching between Matrix spectral line...
TGBT15A_915_127 Matrix Adapter and Other Tests Goals * Test the Matrix adapter that should allow for automatic switching between Matrix spectral line modes an...
TGBT15A_915_126 Coherent Pulsar Mode Troubleshooting Goals * During tests last week the coherent pulsar modes were not running because of an incorrect MAC add...
TGBT15A_915_125 Check Spectral Line Configuration and Balancing Goals * During tests last week we noticed that Banks E H were not properly balanced in one pol...
TGBT15A_915_123 Check Balancing in Pulsar and Spectral Line Modes Goals * In previous tests, VEGAS does not independently balance when used in dual backend mo...
TGBT15A_915_124 Tests of Spectral Line balancing Goals * Run X band Modes 1 29, check balance Details * Get started around 3pm New manager, new HPC ...
TGBT15A_915_103 More fftshift and scale tests for incoherent modes Goals * In previous tests, VEGAS does not independently balance when used in dual backend m...
TGBT15A_915_121 Continued spectral line regression tests Goals * Continued tests of new manager, new HPC software, with some config_tool fixes\ Details * ...
Spectral Line Regression Test Analysis July / August 2017 My scripts, results, et. in /users/rprestag/vegas/regression TGBT15A_915_120 (evening of Wed 30th ET)...
TGBT15A_915_120 More regression tests Goals * Continued attempts at regression testing. This time, the subreflector is not working, but everything else seems ...
TGBT15A_915_117 "Before" "astronomical" regression tests Goals * Run "before" and "after" regression tests with configurations which match popular observation...
TGBT15A_915_112 check released version is reinstalled correctly Details * 3:30pm log in * 3:40pm run RunRegressLSP with 10 sec integrations * Antenna Ma...
TGBT15A_915_111 Continued "New Manager" spectral line regression tests, but this time with classic and matrix HPC software Goals * Continue testing new spec...
TGBT15A_915_110 Continued "New Manager, new HPC" spectral line regression tests Goals * Continue testing new spectral line modes Details * 10:30am tes...
TGBT15A_915_109 Continued "New Manager, new HPC" spectral line regression tests Goals * Continue testing new spectral line modes Details * 10:00 11:45...
TGBT15A_915_106 Continued "New Manager, New HPC software" spectral line tests Goals Continue regression testing while telescope is parked at access Details *...
TGBT15A _915_105 Testing of "new manager, new HPC" software Goals: * Run through all modes with VEGAS, L band TP and SP, X band TP only Details * 7pm to...
GBT15A_915_107 check old version has been re released successfully Details * 11:30am. Log in and run runRegressLSP * Run scans 1 and 2, then abort and chan...
TGBT15A_915_103 More fftshift and scale tests for incoherent modes Goals * I previously tried to find good values of vegas.scale for an fftshift value of 0x55...
TGBT15A_915_102 Test 32 channel pulsar modes Goals * The i1500x0032 mode appears to be shifted in frequency from the expected center of the bandpass. The goa...
TGBT15A_915_101 Detailed fftshift and scale tests for incoherent modes Goals * Find best combination of fftshift and vegas.scale to eliminate/minimize FFT ove...
GUPPI Support Guide Introduction GUPPI is the Green Bank Ultimate Pulsar Processing Instrument, the backend system used for nearly all pulsar observing at the GB...
TGBT15A_915_100 Detailed fftshift and scale tests for incoherent modes Goals * Find best combination of fftshift and vegas.scale to eliminate/minimize FFT ove...
TGBT15A_915_99 Detailed fftshift and scale tests for incoherent modes Goals * Find best combination of fftshift and vegas.scale to eliminate/minimize FFT ove...
TGBT15A_915_98 Test Improved BOF Files Goals * Test new 32 channel BOF files and BOF files for other bandwidth and mode combinations with 24 tap, 0.95 bin wid...
VEGAS Pulsar Project Meeting Sprint Review: 2017 June 5th 2:00 3:00pm ET Present * Laura, Joe, Ryan Sprint Story Overview * VE 242: Continue work on c...
VEGAS Pulsar Modes M C Release Notes Released during TBD. New Features and Improvements for VPM Release M C System * VEGAS * The VEGAS Manager and Coor...
TGBT15A_915_94 Test performance of VEGAS without ADC calibration Goals * Determine the impact of not applying OGP, INL, and MMCM calibration to VEGAS spectral...
TGBT15A_915_92 (cont.) Test Stokes U and V with new VEGAS bof file Goals * Test behavior of Stokes U and V data with a new BOF file that uses registers in p...
TGBT15A_915_91 Test fftshift values for various BOF files Goals * Use a DIBAS style BOF file with VEGAS to see if Stokes U/V phase wraps are still present. D...
TGBT15A_915_92 Test Stokes U and V with new VEGAS bof file Goals * Test behavior of Stokes U and V data with a new BOF file that uses registers in place of de...
TGBT15A_915_90 Test fftshift values i0800x0512 and obtain ADC snap blocks Goals * Test different values of fftshift for the i0800x0512 BOF file and obtain som...
TGBT15A_915_89 Test fftshift values for various BOF files Goals * Test different values of fftshift for different BOFs to see which eliminate overflow and art...
VEGAS Pulsar Project Meeting Sprint Review: 2017 February 21st 2:00 3:00pm ET Present * Joe, Randy, Laura, Ryan Sprint Story Overview * VE 175: Troubl...
TGBT15A_915_88 Test for FFT Overflow and Source of Artifacts Goals * Test for FFT overflow using a new BOF file provided by Randy and Jason (c0800x0512_fft_ov...
VEGAS Project Meeting Test Environment Review: 2017 February 9th 10:00 11:00am ET Present * Ryan, Randy, Laura, Jason, Joe, Ray, Richard Purpose Make sur...
TGBT15A_915_87 Investigate Coherent Pulsar Mode Artifacts. Goals Ryan discovered artifacts in coherent VEGAS pulsar mode data taken as part of astrophysical acce...