https://atmoswiki.azurewebsites.net/ 2026-04-19T18:21:10+00:00 https://atmoswiki.azurewebsites.net/ https://atmoswiki.azurewebsites.net/lib/exe/fetch.php?media=wiki:favicon.ico text/html 2023-11-22T14:03:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:home&rev=1700661804&do=diff HVPS3-A * Description: High Volume Precipitation Spectrometer Version 3 (HVPS3) * Manufacturer: SPEC, Incorporated * Model: HVPS3 * Serial Number: 04 * Probe Weight: 20.0 lbs * Computer Model Number: RSC 2102 * Computer Serial Number: 202977 text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:housekeeping&rev=1580318748&do=diff Not Getting House Keeping Data Date September 16, 2009 Problem Not getting house keeping data in the lab using M300 with the HVPS we received from NASA. Laser turns on but all we get is -29.0 for all house keeping data. Cause Missing conversion cable from IDC cable end to DB25 cable. See text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:hvps_log&rev=1580318748&do=diff HVPS 3 Instrument Log * Where the instrument was when * The top entry is the current location of the instrument * Note: * denotes when the instrument was sent in for repairs. Locations Date Location Notes/Reason for Relocation text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:incorrecttestimages&rev=1580318748&do=diff Incorrect Test Images Date Tests on September 1 and 2, 2010 confirmed that invalid test images are being produced by the HVPS. Problem Running BBs through the HVSP on ground tests produced images like the following. This is a typical image of running a BB through the HVPS. It did not matter what area the BB was passed through the images was always the same. text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:laser_08_27_2009&rev=1580318748&do=diff Laser August 27, 2009 Problem * Late July: HVPS probe was attached to M300 and M300 system was receiving housekeeping data for a while. Later, no data was being received and probe laser would shut off when probe was connected to computer. * Cable connecting HVPS and M300 was tested for continuity by Aaron Ness and determined to be in working order. text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:laser&rev=1580318748&do=diff Laser Date September 2004: MPACE Project Problem No laser beam during ground test. . Cause Laser will not turn on until it get a some non zero true air speed from M200 data system. Solution Set the HVPS TAS send to the probe to 90 m/s using command text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:systemlock&rev=1580318748&do=diff System Lock Date September 2004: MPACE Project Updated October 19, 2004 Problem Sometimes when you turn on the HVPS the M200 data system locks up once it gets the first data buffer from the probe. The first data buffer is sent out within about 10 seconds of turning the problem on. text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:tableconfiguration&rev=1580318748&do=diff Table Misconfiguratiton Date Problem was on the March 26, 2010 flight. Problem The M300 tables were configured to only record type 53, 6, 10, 11 data from the HVPS. The time information (type 7) was not recorded. This makes processing impossible since we don't have time information for the images. text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:tas_clock&rev=1580318748&do=diff The maximum TAS for the HVSP is 50 meters per second. Since the Citation aircraft TAS is greater than 50 meters per second, the TAS sent to the HVPS is modified. The result of these modification is that the aircraft data system uses a HVPS pixel size of 400 um and the TAS received from the HVPS probe has to be multiplied by 2. The reason for this modification was given to David Delene on October 8, 2004 by Darren O'Connor, Senior Systems EE, SPEC Inc., 303.449.1105 Voice, 303.449.0132 FAX, text/html 2020-01-29T17:25:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmoswiki.azurewebsites.net/doku.php?id=atmos:citation:instruments:hvps:tas&rev=1580318748&do=diff TAS Date September 26, 2004: MPACE Project Problem No Air Speed being returned from the HVPS probe. Cause Something is wrong with the wiring from the M200 to the probe. Solution Place “Paul's” converter cable between M200 and cable going out to the probe.