From phil--AT--sonar.Stanford.EDU Fri Jul 9 15:49:56 2004 Received: from smtp2.Stanford.EDU (smtp2.Stanford.EDU [171.67.16.125]) by solar2.Stanford.EDU (8.9.1/8.9.1) with ESMTP id PAA22924; Fri, 9 Jul 2004 15:49:55 -0700 (PDT) Received: from spd.aas.org (spd.Stanford.EDU [171.64.103.149]) by smtp2.Stanford.EDU (8.12.11/8.12.11) with ESMTP id i69Mnpdq018354; Fri, 9 Jul 2004 15:49:52 -0700 Received: from smtp3.Stanford.EDU (smtp3.Stanford.EDU [171.67.16.138]) by spd.aas.org (8.9.1/8.9.1) with ESMTP id PAA11796; Fri, 9 Jul 2004 15:49:57 -0700 (PDT) Received: from solar2.Stanford.EDU (solar2.Stanford.EDU [171.64.103.11]) by smtp3.Stanford.EDU (8.12.11/8.12.11) with ESMTP id i69MnnD7001522; Fri, 9 Jul 2004 15:49:50 -0700 Received: from smtp1.Stanford.EDU (smtp1.Stanford.EDU [171.67.16.123]) by solar2.Stanford.EDU (8.9.1/8.9.1) with ESMTP id PAA22912 for ; Fri, 9 Jul 2004 15:49:49 -0700 (PDT) Received: from sonar.Stanford.EDU (sonar.Stanford.EDU [171.64.103.10]) by smtp1.Stanford.EDU (8.12.11/8.12.11) with ESMTP id i69Mnmo8012672 for ; Fri, 9 Jul 2004 15:49:48 -0700 Received: (from phil--AT--localhost) by sonar.Stanford.EDU (SGI-8.9.3/8.9.3) id PAA34644 for hmi_local--AT--sun; Fri, 9 Jul 2004 15:49:48 -0700 (PDT) From: "Philip Scherrer" Message-Id: <1040709154948.ZM27496765--AT--sonar.Stanford.EDU> Date: Fri, 9 Jul 2004 15:49:47 -0700 X-Mailer: Z-Mail (5.0.0 30July97) To: hmi_local--AT--quake.Stanford.EDU Subject: (Fwd) SDO Weekly Report for July 9, 2004 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Length: 5589 Status: OR SDO Weekly Report for July 9, 2004 The Sun is featured on the cover of the July 2004 issue of National Geographic. The article "Sun Bursts: Hot News from our Stormy Star" provides a great introduction to the kinds of science that SDO will do and why it is so important! The Project continues to struggle to maintain procurement schedules. Project and Code 500 procurement personnel are working with the Project to find ways to handle the large number of procurement actions that are in process and in the queue. SDO is competing for scarce Procurement resources with several other high priority procurement activities; the Project will explore whether SDO's priority at the Center can be raised. Some action is occurring, however. Evaluation of the C&DH SBC and HGAS Gimbal Actuator proposals are on-going. A Request for Offer (RFO) is scheduled to be released on July 9 for the SDO Propulsion System Propellant Tank. Presolicitation notice was released for the Propulsion System Main Engine and Thruster RFOs. Request For Informations (RFIs) were released for the ASC Star Tracker and Reaction Wheel Assembly. RFI Responses were received for the ACS Inertial Reference Unit. Fabrication of the C&DH PSE ASD SDN Breadboard and the SPN PCC ETU commenced. Routing of the SPN LPSC ETU continued. Layout continued for the C&DH Ka Com Card, S Com Card, BMC, and DC/DC Breadboards. Round two of Chesapeake Children's Museum display design is underway. Text is being finalized and approved by Deputy Project Scientist Dean Pesnell for scientific accuracy and design of the actual displays is being carried out by Emilie Drobnes. The display company, i.e. etc., is responsible for coordination, fabrication, and instillation of the display. Mission Assurance personnel continued to support the SDO Board Design for Manufacturability Study activity, interfacing with the NASA and Northrop Grumman (N/G) folks to push the strategy of the backplane boards. N/G delivered a plan to outline the various proposed manufacturing processes and equipment to be utilized and started to map out a sequence of test for the subject backplanes. They are starting with an Acceptability of Materials phase to look at the solderability of the connector pins and PCB. Thermal profiling will be performed on the backplane to characterize the thermal properties of the board by attaching thermocouples on the top and bottom of the board and at different depths to determine internal plane connection effects. Wave soldering and solder fountain (via an Air-Vac Connector Rework Machine) will be used as the preferred methods. Vapor Phase, Resistance Soldering and Hand Soldering will be the backup options. Board and parts procurement should have started this week. LMSAL summarized recent efforts to improve the AIA thermal design and address heater power growth; a new power goal was provided by the project in advance of a thermal peer review later this month. Efforts continue to minimize impacts to SAO long lead procurements caused by delays in finalizing the Phase CDE contract. The contract modification for consolidation of AIA CCDs, Camera Electronics, and EEE parts under the HMI program has been sent to Stanford for final signatures. LMSAL is currently working to modify the Rutherford Appleton Laboratories contract as part of the consolidation effort. Both LMSAL and SDO parts engineers visited the International Rectifier (IR) plant to assess the IR DC/DC Converter as a replacement for the VPT converter. As a result of the trip, AIA/HMI has decided to use the IR converters where there is no impact to mass or power, but reduce the overall number of DC/DC converters on the Common Buy list. HMI will have a Peer Review on the Focal Plane Assembly next week with GSFC participating. The Peer Review is in response to a Mission PDR RFA. The start of SUROM testing will move one week due to additional work needed on the bridgeboard development box, and the mechanism controller board is in assembly. HMI will visit their structure subcontractor, Vision Composites, for a technical interface meeting on July 16. A joint AIA/HMI Interface Working Group has been scheduled for August 10, 11, and 12, 2004 in Palo Alto, CA. EVE presented a mass increase to 53.28 kg exceeding their allocation of 52.00 kg. The mass increase is due to the CCD package redesign, electronics size increase and separation of the CEB radiator. Numerous mass-saving approaches have been implemented and further ones are being developed. EVE has not requested an increase in allocation at this time. The life test unit CCD (Lessor processed) is on schedule for delivery the week of July 19th. A new thermal vacuum chamber is in place for the life testing and will be commissioned later this month. The life test CCD will use camera and bench electronics delivered earlier this spring. It was discovered that the TSI Front-End Processor (FEP) has a minimum data rate of 50Mbps. This does not allow the TSI FEP to lock up on the RF SOC Pn encoded data, which operates at 40Mbps. The DDS engineers are working on developing a Convolutional encoder/viterbi decoder to allow the RF SOC to operate at 50Mbps - 150Mbps. The IN-SNEC FEP order has been received and processed. IN-SNEC is awaiting for the authorization to export from the French government. Expected delivery date of the FEP is July 30. The Ground System continues to working on detail designs. -- Liz Citrin SDO Project Manager 301-286-1222 FAX 301-286-0214 Cell 410-241-0503 ---End of forwarded mail from pscherrer--AT--solar.stanford.edu --