GUPPI has been retired and is no longer available for observing. Pulsar observers should exclusively use VEGAS pulsar modes. Observing Instructions for VEGAS Pul...
Preliminary Observer's Guide for the GBT Ultrawideband Receiver Introduction The GBT ultrawideband receiver (UWBR) operates from 0.7 4 GHz and is optimized for...
VEGAS Pulsar Modes Overview This project will support the development, testing, integration and commissioning of a set of pulsar modes (which are a superset of ...
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...