Antenna
To obtain paper copies of Memos, contact the NRAO Library.
Memo | Title | Author | Date | Size |
89 | Fort Davis, Rail Maintenance, June 17-25, 2013 | J. Thunborg | July, 2013 | 1710k |
88 | Mauna Kea, Hawaii VLBA Maintenance Visit, May 31-June 7, 2012 | M. Evatt |
July, 2013 |
513k |
87 | Kitt Peak, Arizona VLBA Maintenance Visit, February 9-11, 2012 | M. Evatt |
July, 2013 |
59k |
86 | Fort Davis, Texas VLBA Maintenance Visit, May 16-20, 2011 | M. Evatt |
July, 2013 |
1116k |
85 | Owens Valley, California VLBA Maintenance Visit June 9-15, 2011 | E. Carlowe | July, 2011 | 1116k |
84 | North Liberty, Iowa VLBA Maintenance Visit, April 12-15, 2011 | E. Carlowe | July, 2011 | 1335k |
83 | North Liberty Rail Maintenance, July 2010 | B. Broilo | September, 2010 | 5835k |
82 | Brewster, Washington VLBA Maintenance Visit, July 12-21, 2010 | E. Carlowe | August, 2010 | 762k |
81 | Fort Davis, Texas VLBA Maintenance Visit, April 19-27, 2010 | E. Carlowe | June, 2010 | 1.01Mb |
80 | Hancock, NH VLBA Maintenance Visit, Feb. 8-20, 2010 | E. Carlowe | May, 2010 | 1.28Mb |
79 | Mauna Kea, Hawaii VLBA Maintenance Visit, September 22 - October 2, 2009 | E. Carlowe | November, 2009 | 1175k |
78 | Los Alamos, NM VLBA Maintenance Visit, July 14 - 16, 2009 | E. Carlowe | November, 2009 | 839k |
77 | Kitt Peak, Arizona VLBA Maintenance Visit, April 27 - May 7, 2009 | E. Carlowe | May, 2009 | 773k |
76 | St. Croix VLBA Antenna Painting and Surface Preparation | J. Thunborg | March, 2009 | 666k |
75 | St. Croix Maintenance Trip Report | J. Thunborg | December, 2008 |
718k
|
74 | Owens Valley, California VLBA Maintenance Visit, August 18-25, 2008 | E. Carlowe | September, 2008 | 811k |
73 | North Liberty, Iowa VLBA Maintenance Visit, April 30 - May 7, 2008 | E. Carlowe | April, 2008 | 969k |
72 | Saint Croix, VI VLBA Electronics Maintenance Visit, March 11-20, 2008 | E. Carlowe | March, 2008 | 3346k |
71 | Brewster Washington VLBA Maintenance Visit,July 24-31, 2007 | E. Carlowe | August 2007 | 848k |
70 | Fort Davis Bearing Replacement-Trip Report | J. Thunborg | February 27, 2008 | 146k |
69 | Fort Davis Maintenance Visit, May 1-8, 2007 | E. Carlowe | June 14, 2007 | 736k |
68 | St. Croix VLBA Antenna Painting and Surface Preparation Requirements | J. Thunborg | May 8, 2007 | 650k |
67 | Fort Davis - Drive #1 Wheel/Bearing Assembly Replacement January 3-6, 2007 Trip Report | J. Thunborg | January 10, 2007 | 33k |
66 | Hancock, NH Maintenance Visit, Sept. 20-27,2006 Tasklists |
E. Carlowe | November 10, 2006 | 1196k |
65 | Mauna Kea Drive #1 Wheel/Bearing Replacement - July 19 - August 6, 2006 | E. Carlowe | September 1, 2006 | 121k |
64 | Mauna Kea Maintenance Visit - July 19-Aug 6, 2006 Tasklists |
E. Carlowe | August 31, 2006 | 1167k |
63 | Kitt Peak Maintenance Visit - May 16-22, 2006 Tasklists |
E. Carlowe | June 27, 2006 | 1,111k |
62 | St. Croix Corrosion Report | J. Thunborg | March 3, 2006 | 499k |
61 | North Liberty Maintenance Visit, September 20-27, 2005 Tasklists |
E.Carlowe | November 21, 2005 | 1309k |
60 | Los Alamos Maintenance Visit, July 28 thru August 3, 2005 Tasklists |
E. Carlowe | August 30, 2005 | 1234k |
59 | St. Croix Maintenance Visist, April 4 thru April 22, 2005 Tasklists |
E. Carlowe | July 25, 2005 | 1104k |
58 | Owens Valley Drive Wheel #2 Replacement, February 14 - 17, 2005 Trip Report | R. Gutierrez | March 2, 2005 | 50k |
57 | Owens Valley, CA Maintenance Visit Sept. 23- Oct. 1, 2004 Tasklists |
E. Carlowe | October 15, 2004 | 895k |
56 | Brewster, WA VLBA Maintenance Visit July 28-August 8, 2004 Tasklists |
E. Carlowe | August 23, 2004 | 894k |
55 | Fort Davis, Texas Maintenance Visit June 10-18, 2004 Tasklists |
E. Carlowe | July 21, 2004 | 994k |
54 | Mauna Kea Rail Repair | J. Thunborg | August 13, 2004 | 91k |
53 | Pie Town Rail Repair | J. Thunborg | July 8, 2004 | 65k |
52 | Pie Town Drive #1 Wheel/Bearing Replacement May 14-18, 2004 | E. Carlowe | 2004 May | 170k |
51 | North Liberty, Iowa VLBA Maintenance Visit September 10-16, 2003 Task List |
E. Carlowe | 2003 December | 1558k |
50 | North Liberty Drive #2 wheel/bearing replacement | J. Thunborg | 2003 November | 45k |
49 | Recommended Strategy for VLBA Elevation Bearing Replacement | M. McKinnon, J.Thunborg, J. Ruff | 2003 October | 10k |
48 | St. Croix Elevation Bearing Replacement - Trip Report, September 10, 2003 | J.E. Thunborg | 2003 September | 192k |
47 | Kitt Peak, Arizona VLBA Maintenance Visit June 5-12, 2003 Task List (.doc) |
E. Carlowe | 2003 August | 1930k |
46 | St. Croix, Virgin Islands Maintenance Visit March 15-25 |
E. Carlowe | 2003 May 13 | 1656k |
45 | Mauna Kea Maintenance Visit August 2002 |
J. Ruff | 2002 September 30 | 1mb |
44 | Los Alamos Rail Repair August 2002 |
J.E. Thunborg | 2002 August 21 | 46k |
43 | Lightning Protection at VLBA Pie Town August 2002 | B. Broilo, P. Rhodes, C. Janes |
2002 August 6 | 11k |
42 | Los Alamos Az Drive #1 July 2nd and 3rd, 2002 | J. Ruff | 2002 July 8 | 79k |
41 | Hancock Maintenance Visit June 3 through 10, 2002 | J. Ruff | 2002 June 25 | 927k |
40 | St. Croix Maintenance Visit April 8 through 25, 2002 | J. Ruff | 2002 June 24 | 1.2M |
39 | Los Alamos--Drive #1 --Axle Repair, June 18-19, 2002 | J. E. Thunborg | 2002 July 11 | 147k |
38 | North Liberty Rail Repair | J. E. Thunborg | 2002 June 14 | 392k |
37 | Owens Valley Gearbox Repair | J. Thunborg | 2002 April 26 | 351k |
36 | Pie Town Maintenance Visit 2001 | J. Ruff | 2002 January 04 | 653k |
35 | VLBA Subreflector Measurement and Repair | J. Thunborg | 2001 August 22 | 145k |
34 | Brewster Maintenance Visit July 23-30, 2001 | J. Ruff | 2001 August 2 | 733k |
33 | Owens Valley Maintenance Visit June 11-17, 2001 | J. Ruff | 2001 July 10 | 139k |
32 | Los Alamos Maintenance Visit April 17-23, 2001 | J. Ruff | 2001 May 1 | 102k |
31 | Conversion from analog to digital tachometer | D. Whiton | 2000 December | |
30 | VLBA Azimuth Axle Failure - Follow up | J. Thunborg | 2001 March | |
29 | Los Alamos Elevation Bearing Replacement | J. Ruff | 2001 January | |
28 | Los Alamos Drive #2 Wheel Replacement |
J. Ruff | 2000 December 19 | |
27 | Fort Davis Maintenance Visit August 14-19, 2000 |
J. Ruff | 2000 August 22 | 570k |
26 | Kitt Peak Maintenance Visit July 10-16, 2000 |
J. Ruff | 2000 August 7 | 583k |
25 | North Liberty Maintenance Visit April 14-19, 2000 |
J. Ruff | 2000 May 17 | 628k |
24 | St. Croix Maintenance Visit, January 15-20, 2000 | J. Thunborg | 2000 January | |
23 | Brewster, Washington - Wheel/Axle Repair, Oct. 21-23, 1999 Trip Report | J. Thunborg | 1999 October | |
22 | Hancock, New Hampshire-Maintenance Visit, June 22-28, 1999 Trip Report | J. Thunborg | 1999 September | |
21 | Leica Geosystems Equipment Demo | J. Thunborg | 1999 August | |
20 | St. Croix Corrosion Report | J. Thunborg | 1999 August | |
19 | Fall Protection for Inclined Ladders | J. Ruff | 1999 July | |
18 | St. Croix Maintenance Visit, June 22-28, 1999 Trip Report | J. Thunborg | 1999 July | |
17 | VLBA Panel Repair | R. Gutierrez, J. Thunbord, J. Wall | 1999 April | |
16 | Mauna Kea Maintenance Visit, March 22-27, 1999 Trip Report | J. Thunborg | 1999 April | |
15 | Trip Report: Wheel Changing in the Garden of Eden | J. Ruff | 1998 October 5 | |
14 | Brewster Maintenance Visit, August 17-22, 1998 Trip Report | J. Thunborg | September 1998 | |
13 | Measurement of VLBA Counterweight Imbalance | J. Thunborg | September 1998 | |
12 | Brewster, WA VLBA Site Azimuth Rail Maintenance | B. Broilo | August 1998 | |
11 | Los Alamos Maintenance Visit Trip Report July 13-17, 1998 | J. Thunborg | July 1998 | |
10 | Trip Report - North Liberty | C. Janes | May 1998 | |
9 | Trip Report - Kitt Peak Bearing Lev | G. Stanzione | May 1998 | |
8 | Brewster, WA VLBA Site Azimuth Rail Inspection Feb. 19 | B. Broilo | February 1998 | |
7 | Los Alamos, NM VLBA Site Azimuth Rail Inspection Feb. 19 | B. Broilo | April 1998 | |
6 | Owens Valley Maintenance Visit April 20-25, 1998 Trip Report | J. Thunborg | May 1998 | |
5 | VLBA Antenna Hard Stops | J. Thunborg | April 1983 | |
4 | Drive Design-VLBA Antennas | B. Horne | November 1983 | |
3 | Setting the VLBA Antennas | B. Horne | November 1983 | |
2 | TIW Antenna Panels | T. Legg | September 1983 | |
1 | VLBA Antenna Choice | B. Horne | October 1983 |