VLBA Antenna Memos

Memo Submission

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Memo Number Title Author(s) Date Original PDF
1 VLBA Antenna Choice B. Horne 10/07/83
2 TIW Antenna Panels T. Legg 09/14/83
3 Setting the VLBA Antennas W. Horne 11/03/83
4 Drive Design-VLBA Antennas W. Horne 11/21/83
5 VLBA Antenna Hard Stops J. E. Thunborg 04/98
6 Owens Valley Maintenance Visit April 20-25, 1998 Trip Report J. E. Thunborg 05/08/98
7 Los Alamos, NM VLBA Site Azimuth Rail Inspection Feb. 19 B. Broilo 04/07/98
8 Brewster, WA VLBA Site Azimuth Rail Inspection Feb. 19 B. Broilo 02/18/98
9 Trip Report - Kitt Peak Bearing Leveling G. A. Stanzione 05/98
10 VLBA North Liberty Trip Report C. Janes 05/98
11 Los Alamos Maintenance Visit, July 13-17, 1998, Trip Report J. E. Thunborg 07/28/98
12 Brewster, WA VLBA Site Azimuth Rail Maintenance, July 14th B. Broilo 08/05/98
13 Measurement of VLBA Counterweight Imbalance J. E. Thunborg 09/16/98
14 Brewster Maintenance Visit, August 17-22, 1998 - Trip Report J. E. Thunborg 09/10/98
15 Trip Report: Wheel Changing in the Garden of Eden J. Ruff 10/05/98
16 Mauna Kea Maintenance Visit, March 22-27, 1999 - Trip Report J. E. Thunborg 04/06/99
17 VLBA Panel Repair R. Gutierrez, J. Thunborg, J. Wall 04/29/99
18 St. Croix Maintenance Visit, June 22-28, 1999 - Trip Report J. E. Thunborg 07/07/99
19 Fall Protection for Inclined Ladders J. R. Ruff 07/22/99
20 St. Croix Corrosion Report J. E. Thunborg 08/07/99
21 Leica Geosystems Equipment Demonstration J. E. Thunborg 08/12/99
22 Hancock, New Hampshire- Maintenance Visit, June 22-28, 1999 - Trip Report J. E. Thunborg 09/02/99
23 Brewster, Washington - Wheel/Axle Repair, October 21-23, 1999 - Trip Report J. E. Thunborg 10/29/99
24 St. Croix Maintenance Visit, January 15-20, 2000 - Trip Report J. E. Thunborg 01/30/00
25 North Liberty Maintenance Visit April 14th through 19th, 2000 Trip Report J. Ruff 05/17/00 Original
26 Kitt Peak Maintenance Visit July 10th through 16th, 2000 Trip Report J. Ruff 08/07/00 Original
27 Fort Davis Maintenance Visit August 14th through 19th, 2000 Trip Report J. Ruff 08/22/00 Original
28 Los Alamos Drive #2 Wheel Replacement J. Ruff 12/19/00
29 Los Alamos Elevation Bearing Replacement J. Ruff 01/30/01
30 VLBA Azimuth Axle Failure - Follow Up J. E. Thunborg 03/22/01
31 Conversion From Analog To Digital Tachometer D. Whiton 12/04/00
32 Los Alamos Maintenance Visit April 17the through 23rd, 2001 Trip Report J. Ruff 05/01/01 Original
33 Owens Valley Maintenance Visit June 11th through 17th, 2001 J. Ruff 07/10/01 Original
34 Brewster Maintenance Visit July 23rd through 30th, 2001 J. Ruff 08/02/01 Original
35 VLBA Subreflector Measurement and Repair J. E. Thunborg 08/22/0[1] Original
36 Pie Town Maintenance Visit 2001 J. Ruff 01/04/02 Original
37 Owens Valley Gearbox Repair J. E. Thunborg 04/26/02 Original
38 North Liberty Rail Repair J. E. Thunborg 06/14/02 Original
39 Los Alamos - Drive #1 Axle Repair June 18-19, 2002 - Trip Report J. E. Thunborg 07/02 Original
40 St. Croix Maintenance Visit April 8th through 25th, 2002 J. Ruff 06/24/02 Original
41 Hancock Maintenance Visit June 3rd through 10th, 2002 J. Ruff 06/25/02 Original
42 Los Alamos Az Drive #1 July 2nd and 3rd, 2002 J. Ruff 07/08/02 Original
43 Lightning Protection at VLBA Pie Town August 2002 B. Broilo, P. Rhodes, C. Janes 08/02
44 Los Alamos Rail Repair J. E. Thunborg 08/21/02 Original
45 Mauna Kea Maintenance Visit August 12th through 21st, 2002 J. Ruff 09/30/02 Original
46 St. Croix, Virgin Islands Maintenance Visit March 15-25 [E. Carlowe] [05/03] Original
47 Kitt Peak, Arizona VLBA Maintenance Visit June 5-12/03 [E. Carlowe] [08/03] Original
48 St. Croix Elevation Bearing Replacement - Trip Report J. E. Thunborg 09/10/03 Original
49 Recommended Strategy for VLBA Elevation Bearing Replacement M. McKinnon, J. Thunborg, J. Ruff 10/17/03 Original
50 North Liberty Drive #2 Wheel/bearing Replacement October 20-23, 2003 - Trip Report J. E. Thunborg 11/03 Original
51 North Liberty, Iowa VLBA Maintenance Visit September 10th thru 16/03 [E. Carlowe] [12/03] Original
52 Pie Town Drive #1 Wheel/Bearing Replacement May 14-18, 2004 [E. Carlowe] [05/04] Original
53 Pie Town Rail Repair J. E. Thunborg 07/08/04 Original
54 Mauna Kea Rail Repair J. E. Thunborg 08/13/04 Original
55 Fort Davis, Texas VLBA Maintenance Visit June 10th thru 18th 2004 [E. Carlowe] [07/04] Original
56 Brewster, WA. VLBA Maintenance Visit July 28th thru August 8th 2004 [E. Carlowe] [08/04] Original
57 Owens Valley, CA. VLBA Maintenance Visit Sept. 23 thru Oct. 1 2004 [E. Carlowe] [10/04] Original
58 Owens Valley - Drive Wheel #2 Replacement February 14 - 17, 2005 - Trip Report R. Gutierrez 03/05 Original
59 St. Croix, VI. VLBA Maintenance Visit April 4th thru April 22nd 2005 [E. Carlowe] [07/05] Original
60 Los Alamos, NM. VLBA Maintenance Visit July 28th - August 3rd 2005 [E. Carlowe] [08/05] Original
61 North Liberty, IA. VLBA Maintenance Visit September 20-27th 2005 [E. Carlowe] [11/05] Original
62 St. Croix Corrosion Report J. E. Thunborg 03/03/06 Original
63 Kitt Peak, Arizona. VLBA Maintenance Visit May 16-22, 2006 [E. Carlowe] [06/06] Original
64 Mauna Kea, Hawaii VLBA Maintenance Visit July 19-Aug 6, 2006 [E. Carlowe] [08/06] Original
65 Mauna Kea Drive #1 Wheel/Bearing Replacement - July 19 - August 6, 2006 [E. Carlowe] [09/06] Original
66 Hancock, New Hampshire VLBA Maintenance Visit September 20-27 2006 [E. Carlowe] [11/06] Original
67 Fort Davis - Drive #1 Wheel/Bearing Assembly Replacement January 3-6, 2007 - Trip Report J. E. Thunborg 01/07 Original
68 St. Croix VLBA Antenna Painting and Surface Preparation Requirements J. E. Thunborg 05/08/07 Original
69 Fort Davis, Texas VLBA Maintenance Visit May 01-08, 2007 [E. Carlowe] [06/07] Original
70 Fort Davis Bearing Replacement - Trip Report J. E. Thunborg 02/27/08 Original
71 Brewster, Washington VLBA Maintenance Visit July 24-31, 2007 [E. Carlowe] [08/07] Original
72 Saint Croix, VI. VLBA Electronics Maintenance Visit March 11-20, 2008 [E. Carlowe] [03/08] Original
73 North Liberty, Iowa VLBA Maintenance Visit April 30 - May 7, 2008 [E. Carlowe] [04/08] Original
74 Owens Valley, California VLBA Maintenance Visit August 18-25, 2008 [E. Carlowe] [09/08] Original
75 St. Croix Maintenance Trip Report October 27 - November 14, 2008 J. E. Thunborg 12/18/08 Original
76 St. Croix VLBA Antenna Painting and Surface Preparation J. E. Thunborg 03/31/09 Original
77 Kitt Peak, Arizona VLBA Maintenance Visit April 27-May 7, 2009 [E. Carlowe] [05/09] Original
78 Los Alamos, New Mexico VLBA Maintenance Visit July 14- 16, 2009 [E. Carlowe] [11/09] Original
79 Mauna Kea, Hawaii, VLBA Maintenance Visit September 22- October 2, 2009 [E. Carlowe] [11/09] Original
80 Hancock, NH, VLBA Maintenance Visit February 8-20 2010 [E. Carlowe] [05/10] Original
81 Fort Davis, Texas VLBA Maintenance Visit April 19- April 27, 2010 [E. Carlowe] [06/10] Original
82 Brewster, Washington VLBA Maintenance Visit July 12-21, 2010 [E. Carlowe] [08/10] Original
83 North Liberty Rail Maintenance, July 2010 B. Broilo 09/02/10 Original
84 North Liberty, Iowa VLBA Maintenance Visit April 12-18, 2011 [E. Carlowe] [07/11] Original
85 Owens Valley, California VLBA Maintenance Visit June 9-15, 2011 [E. Carlowe] [07/11] Original
86 Trip Report - Fort Davis 16-20 May 2011 Elevation Bearing Change [M. Evatt] [07/13] Original
87 Trip Report - Kitt Peak Azimuth Drive Wheel Assembly #2 Replacement 9-11 Feb 2012 [M. Evatt] [07/13] Original
88 Trip Report - Mauna Kea 31-May Thru 7-June 2012 Elevation Bearing Change [M. Evatt] [07/13] Original
89 Azimuth Rail Repair at Fort Davis, Texas June 17 - June 25, 2013 J. E. Thunborg 07/10/13 Original
90 2015 - St Croix Corrosion Report J. E. Thunborg 08/12/15
91 Measuring Slew Rates of VLBA Antennas W. Brisken 05/02/16
92 2016 - St Croix Mechanical Repair Trip Report J. E. Thunborg 09/09/16





      Modified on Wednesday, 28-Sep-2016 16:57:50 EDT by Library Staff