August 31 Friday - Clear AM, cloudy/thunderstorms PM
CIPT: DGCK commissioning in the afternoon after static fringes achieved. - Debra
PSI/ATF: Static fringes achieved on Mercury using new correlator in both Time Division Mode (repeat of what was done before) and with the Tunable Filter Banks. - Debra
PSI/ATF: Looking for fringes, corr gui crashed! %$##*!! - Gene
PSI/ATF: Tower beacon running much cooler now. Signal looks good for testing now. - Jack
August 30 Thursday
PSI/Vertex/AEC: Trying to get fringes. - Gene
Computing: Fussing with software. - Bernard,
PSI/ATF: Rebuilding charcoal traps for cryo compressors. - Jack
PSI/AEC: Emailed ESO for spare parts. - Jack
PSI/ATF: Building cables. - Drew
PSI/ATF: Used manlift to inspect and remove the tower beacon and troubleshoot it. - Jack, Juan G., Rodrigo
PSI/ATF: Tower beacon reworked. Had loose waveguide flanges, running too hot, not heatsinked well. - Jack
August 29 Wednesday
PSI/AIV/AEC: Continuing with brake inspection and repairs. - Jack, Juan G.
AEC BE: A newly characterized LORR, SN 102, returns to the AEC with installation by BE - Jason, Stian
ATF BE: BE installed two new IFDC's this morning: one in the VA, the other in the AEC antenna - Jason, Stian
CORR PSI: Measurments of the TE and 125 MHz signals were made with an oscilloscope to compare to the reworked CRD installation later this week - Drew
PSI/AIV/AEC: Disassembled antenna panels and began AZ & EL brake inspection. Located loose hardware, sealed small leaks. - Jack, Juan G.
PSI/Vertex: Rx cabin e-stop switch problem. Inspected switch and wiring. Possible terminal at junction box loose. Its working again. Jack
August 27 Monday
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August 26 Sunday
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August 25 Saturday
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August 24 Friday
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August 23 Thursday
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August 22 Wednesday
PSI CORR: The CORR TE was showing errors and the signal was measured at the in put to the correlator and at the CRD for comparison. No issues with the TE were found, and wiggling cables showed no faulty connections or changes to the TE signal shown on an oscilloscope. The QCC card was finally power cycled and all TE errors were not found afterwards. - Gene, Drew, Tzu, Juan Pablo
AEC ATF!: The AEC ACU has failed the reboot process. After pushing the reset button, the ACU starts a normal boot process, but then fails to move forward after showing ' RESETTING ELEVATION DRIVES' on the screen. The Az drives apparently reset OK, as the boot screen shows this step. The ACU was rebooted to potentially fix an issue of OPENBRIK not being able to bring the elevation drives out of shutdown mode. The minicom screen would only show that the drives were not ready, and that the current job was to power up the drive motors. Numerous command attempts were unable to remedy the situation - Drew, Gene
August 21 Tuesday
PSI/AEC: Shut down cryo compressor to do some circuit bypassing and vacuum leak checking. - Jack
PSI/AEC: Replaced charcoal trap, charged compressor with oil, cleaned oil and dirt. - Jack
Computing: Clock software. - Thomas J.
August 20 Monday
PSI/AEC: LORR locking issues, correlator issues (ccc not responding to ping). - Gene
PSI/Correlator: Correlator and related equipment were powered off. - Gene, Jack
PSI/AEC: Readjusted optical power level at central rack using #8 polarizer to -17dbm. - Jack, Juan P.
PSI/AEC/VA: Looking for beacons. - Gene, Peter, Juan P.
PSI/AEC: UPS back on line after troubleshooting and reset. Cleaned air filters and set fan temp lower. - Jack, Juan G.
August 19 Sunday
SCI/AEC/VA: Pointing and tracking. - Darrel, Manuel
Computing: OPT image capture card configuration. - Bernard
PSI/AEC: Troubleshooting problems with getting antenna into "track" from software control. Manual control works fine. - Jack
SCI/AEC/VA: Darrel is able to see "Mars" using Gene's software!! - Darrel, Gene
August 18 Saturday
SCI/AEC/VA: Pointing and tracking. - Darrel, Manuel
Computing: OPT image capture card configuration. - Bernard
August 17 Friday
PSI/ATF: VLA on generator at 5:30am, commercial power cut at 5:45am. - Jack
PSI/ATF: Commercial power back up at 10:30am. - Jack
PSI/AEC: Reworked the PFE bin and CAN cabling. - Jack
PSI/AEC: Cleaned and replaced UPS, ACU, Servo, Electrical Distrubution cabinet air filters. - Juan
Computing: New software, bug fixes, restarted equipment. - Nico, Jeff
PSI/AEC: Received UPS manual via email, troubleshot UPS as far as possible. - Jack
SCI/AEC/VA: Pointing and tracking. - Darrel
PSI/CLO: AEC LORR polarizer needed adjusted to be able to lock the LORR. - Jack, Drew, Darrel
August 16 Thursday
PSI/AEC: PFE CAN cabling temp fixed. - Jack
PSI/AEC/Vertex: Pointing and tracking. - Gene
PSI/AEC: Problems getting AZ/EL in track mode from computer, works ok locally. - Jack
PSI/Vertex: Constructed replacement PFE power supply +15 and +28v. - Jack
SCI/AEC/Vertex: Tracking. - Darrel
PSI/AEC: UPS images taken and sent to tech support in ABQ. - Jack
PSI/CLO: Moved central rack AC power to commercial outlet and away from Terry Cotter's UPS. - Jack
August 15 Wednesday
PSI/AEC: Cryo compressor stayed on all night. - Jack
PSI/AEC: Rerouted PFE CAN cable from analog rack to FE and added termination to analog rack CAN test port. - Jack
PSI/AEC/Vertex: Reconfiguring cables. - Gene
PSI/AEC: Strange occurance today, UPS output was up and down randomly. This caused A/D racks, FE, PFE, ACU, and Minimon to reboot over and over. Not good. The fix was to cycle UPS input power on breaker Q30. UPS is still complaining but its working now. - Jack
PSI/AEC: Initialization problems, then software problems. - Gene, Drew, Jack
SCI Vertex: Pointing and tracking. - Darrel
PSI/AEC: Troubleshot PFE CAN problem. - Jack
August 14 Tuesday
ATF AEC: BE came to the ATF today to test the PSD in the AEC antenna. - Stian, Nick
PSI AEC: Troubleshot cryo compressor controller, found loose connections, tightened. - Jack
SCI Vertex: Pointing and tracking. - Darrel
PSI Vertex: End to end system connectivity. - Gene, Drew, Bill B.
August 13 Monday
ATF VA: The newly repaired LORR is being installed and tested in the VA - Jason
ATF CLO: The newly repaired CRD is being installed in the central rack today - Jason
ATF AEC: The PSD in the AEC has locked up . . . it will not respond to command to power up the digital rack, shows the over current bit is set. The PSD has been powercycled at least 3 times today, but has not been recoverable - Jason, Gene
August 9 Thursday Partly Cloudy
AEC ATF: OPENBRIK replacement power supplies arrived. One was installed in the OPENBRIK rack mount space, and tested. AEC now has restored motion control as normal - Drew, Roberto
CIPT ATF: CIPT tested array timing - Thomas
CORR ATF: CORR software was again tested. Corr GUI was tested as well with some success. - Rodrigo, Drew, Peter
AIV VA: Some testing was performed on the surface of the elevation gears - Juan
CIPT AEC: Antenna motion control using the CIPT MountPanel? was tested, and found to work, but not with 100% reliability. The AEC antenna was able to be moved to commanded positions, as well as tracking objects moving at the sidereal rate. The previous oscillations of the antenna was not felt at several locations tested - Drew, Peter, Roberto
CLO ATF: The newly repaired ML PC was installed in the ML rack and auto lock testing was started - Sarmad
August 8 Wednesday Partly Cloudy
CIPT ATF: CIPT was here to test more of the array timing. Various efforts were also made on other issues.
CIPT ATF: Labview seems to fail occasionally at the ATF. The problem occurs when part of the computing software hangs, and does not clear itself. The solution (for now) is to use the OMC to find the 'Control/ACC/pythonContainer' in the TreeInfo? window, right click on it, and send a shutdown command. When the container with the same name goes red in the ACATree window, wait a few seconds and then right click it there and issue a start container command. It should then turn green when it is again operational. Labview should be operational after this. - Jeff, Drew
ATF !!!: The CRD and VA LORR will be removed and taken to the AOC this afternoon at the end of day. They will not be returned until Monday. - Eric, BE
CORR: More correlator software testing continues with the new CorrGUI? - Rodrigo
ATF VA: VA WCA was locked successfully today - Sarmad, Drew, Robert
ATF AEC: The AEC PRR is being optimized - Sarmad
August 7 Tuesday Partly Cloudy
CIPT ATF: Array timing was tested - Thomas
ATF: PFE's were re-installed in both antennas today - Rodrigo, Juan Pablo, Drew
CORR: New correlator functionality was tested further, with digital noise generation on the AEC DRX cards. A signal (not a good signal, but a signal) was passed from the VA to the DRX cards in the new CORR - Rodrigo, Paula
AEC ATF: The OPENBRIK computer was found to have a failed power supply. This limits all motion of the AEC antenna to ONLY THE PCU!!! A replacement power supply was ordered - Jack, Drew, Roberto
August 6 Monday Clear AM,
PSI/ATF: Continued cleaning and organizing ATF trailer. - Jack, Roberto
PSI/AEC: Finished splicing Ethernet fiber installation and shot the fibers with a visible light source. - Jack
August 5 Sunday Clear AM, storms the rest of the day
PSI/Vertex: Continuing with fiber foam installation. - Jack
PSI/AEC: Installed Ethernet splice box in the AZ cabinet, still need Eternet plugin module to complete the job. - Jack
PSI/ATF: Started tool inventory and tool room cleaning. - Jack
August 4 Saturday Heavy fog early, storms all afternoon
PSI/AEC: Made a modification to the AEC HE compressor control circuit to prevent future compressor shutdowns. - Jack
PSI/AEC: Installed WMA DC-DC converter that operates off of the FE bin power supply. - Jack
PSI/AEC: Spliced/installed Ethernet fiber splice box, MM fibers to and inside the digital rack. - Jack
PSI/ATF: While inside of the AEC rx cabin, lightning caused a short power outage. The FE bin power supply had to be reset, the ACU rebooted, and Minimon also rebooted. This raises a concern about just how and what the UPS is protecting. - Jack
Computing: Manuel on site today.
August 3 Friday Mostly Sunny AM Storms afternoon
PSI/AEC: Need to change out HE compressor fan motor today. - Jack, Juan
Computing/AEC: Pointing tests.
PSI/AEC: Replaced HE compressor fan motor and restarted FE cooldown. - Jack, Juan G.
PSI/Vertex: WMA firmware issues. - Everyone
Computing: Installed new "Tom" computer. - Nico
BE/CLO: Fussing with CRD's to get CORR group 48ms timing signal. - Jason
August 2 Thursday Mostly cloudy, showers
PSI/Vertex/AEC: Fiber wire tray and foam installation. - Jack, Juan
BE/AEC: Rack cable configuration rewire, LORR problems. - Jason, ?, Jack, Bill B.
BE/Vertex: LORR problems, BE took LORR back to AOC. - Jason
PSI/AEC: Installed diplexer. - Jack
PSI/Vertex: Reworked diplexer, installed adaptor and put splice inside of box that Sarmad did earlier. - Jack
Computing/AEC/Vertex: Software problems.
BE/CLO: CRD problems, took it to the AOC. - Jason
August 1 Mostly cloudy
PSI/AEC: ACU/ABM problems. Reset B is high and should be low. Computing took ABM to AOC for repairs. - Jack