| Description | AssignedTo | Date | Who | | Notes |
| | Updated |
| DateEntered | | Date Completed |
| | General Tasks | Horner | Thu Nov-15 | horner | The Hi-Tech Waffles were returned to Hi-Tech for credit. |
| | http://www.cv.nrao.e | Wed Nov-07 | 10:27 | | Hi-Tech does not want to try to make these again. |
| | General Tasks | Lambeth | Thu Nov-15 | Lambeth | Ordered LHe for delivery on 2007-11-27. It was requested by R. Finger, but we should take |
| | http://www.cv.nrao.e | Wed Nov-07 | 9:55 | | advantage of it and test our temp sensors as well. |
| | General Tasks | Schmitt | Wed Nov-14 | Schmitt | 1)Met with representatives of Glenair regarding the dual 51 pin hermetic DC feedthrough |
| | http://www.cv.nrao.e | Wed Nov-07 | 13:56 | | connector. |
| | Mixer Assembly |
| | Add wrist strap to bonder | Lambeth | Thu Nov-15 | Lambeth | High priority flag set.Completed about 2 years ago, but I now need to put a wrist strap |
| | http://www.cv.nrao.e | Mon Jun-07 | 14:03 | | socket on the new bonder we purchased since then. |
| | Production status | Lambeth | Thu Nov-15 | Lambeth | Mixer block 140 has good Rx noise temp, but has IR problems in the upper band. Will replace |
| | http://www.cv.nrao.e | Mon Oct-29 | 9:44 | | the preamps with the ones on block 128 since it had poor Rx noise temp but excellent IR. |
| | Mixer Test Set |
| | Production Status | Groves | Thu Nov-15 | Groves | 1) Tested mixer block 140:115/117:034. The image rejection was below 7db on both |
| | http://www.cv.nrao.e | Tue Nov-06 | 16:31 | | sidebands, only at 11GHz IF. I had noticed that the cables from the preamps to the hybrid |
| | OMTs |
| | Mechanical Inspection of Band 6 | Koller | Thu Nov-15 | Dan Koller | Completed 5 Oct 2007. See ADDENDUM to: |
| | http://www.cv.nrao.e | Thu Jun-30 | Thu Nov-15 | 16:45 | | \\cvfiler\cv-cdl-sis\OMTs\Band6\MechanicalInspections\InspectionRptB6OMT01_V4.doc |
| | Send Ed Wallach Data | Koller | Thu Nov-15 | Dan Koller | Delivered copies of Band 3 OMT and preliminary band 6 OMT data to Ed Wollack during |
| | http://www.cv.nrao.e | Wed Mar-15 | 16:33 | | my visit 5 November to pick up MAP devices. |
| | Test Data Report for OMT 006 | Koller | Thu Nov-15 | Dan Koller | Completed on 5 Sept 2007 or thereabouts. |
| | http://www.cv.nrao.e | Mon Jun-05 | Thu Nov-15 | 16:48 | | See: FEND-40.02.06.03-031-A-TDR |
| | Build Band 6 Cold Test Set | Koller | Thu Nov-15 | Dan Koller | In progress. See task 1075 AND 1057. |
| | http://www.cv.nrao.e | Mon Aug-14 | 16:50 | | Summary: New Oval WG being constructed, cal procedures being refined. |
| | Remeasure Band 3 OMTs SN074-079. | Koller | Thu Nov-15 | Dan Koller | Re-measured, processed data, shipped 10/31, and received by HIA 1 Nov 2007. |
| | http://www.cv.nrao.e | Mon Aug-06 | Thu Nov-15 | 16:29 | | ------------------------------------------------- |
| | Clean up Band 6 OMT measurements | Koller | Thu Nov-15 | Dan Koller | 1. On John Webber's suggestion, I disassembled and re-seated |
| | http://www.cv.nrao.e | Mon Oct-08 | 16:28 | | every connector on the back of the Band 6 VNA, including all |
| | Fabricate Oval Waveguide | Koller | Thu Nov-15 | Dan Koller | Preliminary measurements made on 6 parts, prior to plating attempts. AOK so far. |
| | http://www.cv.nrao.e | Mon Oct-29 | 16:27 |
| | Build OMT's B6-012 through B6-022 | Koller | Thu Nov-15 | Dan Koller | Band 6 OMTs SN012-015 completed. SN016-022 partially assembled. |
| | http://www.cv.nrao.e | Wed Nov-07 | 16:26 |
| | Weekly Update of Schedule | Koller | Thu Nov-15 | Dan Koller | Updated to reflect partial completion of Band 6 OMTs, status of CMi parts, status of Cold |
| | http://www.cv.nrao.e | Wed Nov-07 | 16:25 | | Test Jig. |
| | Friday, November 16, 2007 | Page 2 of 3 |