12 Meter Millimeter Wave Telescope Memos

Memo Submission

Contact the Library via e-mail if you have any trouble with the scans posted here.

Memo Number Title Author(s) Date
1 12-M Telescope Working Group (36-Foot Upgrading) H. Hvatum 03/13/81
2 Notes on Improving the 36-Foot Telescope J. W. Findlay 10/24/73
3 Further Measurements on the 36-ft Surface J. Payne, J. Hollis 05/14/75
4 Antenna Efficiency Tests B. L. Ulich 02/04/76
5 36' Telescope Mean Surface Computer Study J. Hollis 08/20/76
6 Modification of 36-foot Surface B. L. Ulich 01/19/78
7 A New Surface for the 36-ft Telescope? M. A. Gordon 04/17/80
8 Resurface the 36-ft Telescope? M. Gordon 11/26/80
9 Summary of Surface RMS Errors L. King 12/12/80
10 Upgrading the 36' Reflector W. G. Horne 01/09/81
11 The 11-Meter Telescope Stability Tests J. W. Findlay, J. M. Payne, J. N. Ralston 03/23/81
12 The 11-Meter Telescope J. W. Findlay 03/07/81
13 The 36' Telescope J. M. Payne 03/10/81
14 11 M Performance J. M. Payne 03/23/81
15 Notes on the 12-m Telescope Meeting; March 24, 1981, 1330 EST J. W. Findlay 03/81
16 Results of Spherical Aberration Tests on NRAO 11-M Telescope B. L. Ulich 03/20/81
17 36' "VLA" Design L. King 04/10/81
18 Rough Estimate 12M W. G. Horne 04/14/81
19 12 M Receiver Installation J. Payne 04/16/81
20 Weekly Project Meetings H. Hvatum 04/21/81
21 PERT H. Hvatum 04/22/81
22 12-Meter Antenna D. Ross 04/22/81
23 12-Meter Telescope Meeting No. 2; April 14, 1981, 1300 EST J. W. Findlay 04/81
24 12-M Telescope Meeting No. 3; April 28, 1981, 1400 EST - 04/28/81
25 12 M Telescope Receiver Locations L. King 04/28/81
26 Receivers Installation W-Y. Wong 04/30/81
27 Errors in Encoders J. Payne 04/30/81
28 The Surface of the 12-m Telescope J. W. Findlay 05/01/81
29 12-M Telescope Meeting No. 4; May 5, 1981 - 05/81
30 The 11 M Azimuth Bearing J. M. Payne 05/05/81
31 12-M Telescope Meeting No. 4 [sic]; May 12, 1981 - 05/81
32 Ammendment To 12 Meter Memo #22 D. Ross 05/12/81
33 Preliminary Design of Optical System and Receiver System for the 12 M Antenna J. M. Payne 05/13/81
34 12M Antenna - 04/12/81
35 Letter of Solicitation J. Marymor 05/21/81
36 Setting the Surface of the 12 Meter Telescope J. W. Findlay 05/14/81
37 Support Bolts for ESSCO Panels W. Horne 05/18/81
38 12-meter Telescope Meeting No. 5 [sic]; May 19, 1981 - 05/81
39 A Competing Proposal for One 12-M Reflector Structure W-Y. Wong 05/26/81
40 12-meter Telescope Meeting No. 6 [sic]; May 26, 1981 - 05/81
41 Letter of Interest L. E. Rhoades, Electronic Space Systems Corporation 05/29/81
42 Response To an Inquiry by W. Horne M. J. Brenner, Electronic Space Systems Corporation 05/21/81
42A Surface Measurement of 12 Meter Diameter Reflector Panels M. J. Brenner, Electronic Space Systems Corporation 05/13/81
43 Schedule for NRAO's Tuesday Conferences P. R. Bisbano, The Darome Connection 05/18/81
44 Possible Factors in the Selection of a Back Structure Design and Quadrupod Geometry M. A. Gordon 06/02/81
45 Errors in Encoders, Addition To Memo # 27 J- M. Payne 06/05/81
46 12M Antenna - 06/09/81
47 12-Meter Telescope Meeting No. 8 [sic]; June 9, 1981 - 06/81
48 Points for discussion - June 16th '81 J. W. Findlay 06/12/81
49 Response To Memo #48 W. Horne 06/15/81
50 Request for Proposal # 228 - Millimeter Wave Telescope Panels J. Marymor 06/10/81
51 12-m Telescope Meeting No. 9 [sic]; June 16, 1981 J. W. Findlay 06/81
52 The 12-m Telescope Measuring and Setting at Green Bank J. W. Findlay 06/18/81
53 12-m Telescope Meeting No. 10 [sic]; June 23, 1981 - 06/81
54 Plan ~ 12M Antenna W. Horne 06/81
55 Technical Proposal for Millimeter Wave Telescope Panels S. M. Cuevas, Electronic Space Systems Corporation 06/24/81
56 ESSCO Proposal E-5817; NRAO Request for Proposal # 228 J. Marymor 07/07/81
57 Schedule A - Statement of Work - 07/81
58 12-m Telescope Meeting No. 11 [sic] H. Hvatum 07/21/81
59 Revised Meeting Schedule H. Hvatum 07/22/81
60 12-m Telescope Meeting No. 12 [sic]; July 21, 1981 - 07/81
61 12M Antenna - 07/28/81
62 12 Meter Antenna Project: Projected Manpower Requirements Back-Up Structure Assembly W. G. Horne 07/23/81
63 12 Meter Elev. STRU L. King 08/04/81
64 12-m Telescope Meeting No. 13 [sic]; August 4, 1981 J. W. Findlay 08/81
65 NSF Approval of Subcontract No. AUI-197 S. J. Franko, NSF 08/05/81
66 New Project Numbers J. P. Lagoyda 08/06/81
67 Electronic Work To Support New Surface J. M. Payne 08/06/81
68 12-Meter BUS/Receiver Mounting D. Ross 08/07/81
69 New Project Numbers J. R. Gibb 08/19/81
70 Prime Contract No. NSF AST 79-08925 - 08/17/81
71 12 M Selection Mirror J. Payne 08/81
72 12-meter Telescope Meeting No. 15; September 1, 1981 - 09/81
73 Aperture Blockage of the 12-M Telescope M. A. Gordon 09/08/81
74 36 Foot Telescope Improvements - 08/81
75 Specifications: Reflector Structure - 12 Meter Antenna - 09/01/81
76 12-Meter Telescope Meeting No. 16; September 15, 1981 J. W. Findlay 09/81
77 12M Antenna - 09/17/81
78 Request for Proposal # 231 J. Marymor 09/22/81
79 Adaptation of the Present 9.5MM Cassegrain Receiver To The Proposed 12 Meter Telescope R. Freund 09/15/81
80 12-Meter Telescope Meeting No. 17; September 22, 1981 J. W. Findlay 09/81
81 Reference: AUI-197 S. M. Cuevas, Electronic Space Systems Corporation 09/24/81
82 Revision 'A' of Report Sent July 1, 1981 M. J. Brenner, Electronic Space Systems Corporation 09/29/81
83 12-Meter Telescope Meeting No. 18; October 6, 1981 - 10/81
84 Data Collection for 12-m Measuring J. Findlay 10/08/81
85 Reference Jig, Drawing No. 87D00005 J. M. Hamed 09/03/81
86 The Reference Jig J. W. Findlay 10/08/81
87 12-meter Measuring System ADIOS as a Data Taker J. W. Findlay 10/14/81
88 36 Foot Telescope Improvements - 09/30/81
89 12M Antenna - 10/19/81
90 Estimated Costs for 12 Meter Inductosyns R. K. Moore 10/26/81
91 12-meter Telescope Meeting No. 19; October 20, 1981 J. W. Findlay 10/81
92 A New Paper by Mehdi Zarghamee L. E. Rhoades, Electronic Space Systems Corporation 10/30/81
93 12-meter Telescope Meeting No. 20; November 3, 1981 J. W. Findlay 11/81
94 Machine Shop Time J. Payne 11/04/81
95 Time Schedule 12 Meter Inductosyns B. Peery 11/04/81
96 12M Antenna - 11/10/81
97 Subreflector Movement for 12 M Antenna J. Payne 11/09/81
98 Assembly and Measurement of 12 Meter Backup Structure in Warehouse at Green Bank B. Peery 11/13/81
99 36 Foot Telescope Improvements - 10/31/81
100 Transport of 36' Panels To Green Bank F. Beverage 11/23/81
101 Update Cost Estimates for 12-m Project H. Hvatum 11/18/81
102 Changes in the Computer System for the 12-m Surface M. A. Gordon 11/19/81
103 12M Antenna - 12/81
104 ESSCO Measurements of the First 12-meter Panel - 11/13/81
105 Tolerances for Subreflector Positioning on the 12-m Telescope R. Fisher, J. Payne 12/02/81
106 36 Foot Telescope Improvements - 11/30/81
107 12-Meter Telescope Meeting No. 23; December 15, 1981 G. M. Peery 12/81
108 Surface panel and the Feed Support Structure L. J. King 12/24/81
109 12-Meter Telescope Meeting No. 24; December 29, 1981 - 12/81
110 Meeting Schedule H. Hvatum 01/06/82
111 A Close Look at the First Set of ESSCO Plate Measurements W-Y. Wong 01/04/82
112 Setting the 12-Meter Surface J. W. Findlay 01/04/82
113 New Project M. Balister 12/31/81
114 Revision of 12 Meter Telescope Project Numbers/Account 13141 J. P. Lagoyda 12/31/81
115 NSF AST 79-08925 - Notification of Proposed Procurement J. Marymor 01/05/82
116 ESSCO Progress in Surface Plate Manufacture - 01/05/82
117 Meeting - G.B. Manpower, 12 Meter Project B. Peery 01/06/82
118 Work for Shop - 12 Meter Project B. Peery 01/11/82
119 Letter Regarding Impressions After Observations P. R. Schwartz, Naval Research Laboratory 12/22/81
120 36 Foot Telescope Improvements - 12/31/81
121 AUI-197 (J1946) - Change Order #1 J. Marymor 01/15/82
122 12M Antenna - 01/82
123 12-meter Telescope Meeting No. 25; January 19, 1982 - 01/82
124 16-Channel Multiplexer for Use with Apple/ADIOS D. Schiebel 01/19/82
125 Panel Supports ~ 12M Antenna W. Horne 01/21/82
126 Subcontract AUI-200; Letters from CenFab dated Jan 7, 1982 W. Horne 01/19/82
127 Contract AUI-200 - Proposed Progress Payment Schedule J. Marymor 01/27/82
128 Subcontract AUI-200 - Approval of Welding Materials J. Marymor 01/27/82
129 Panel Supports J. W. Findlay 02/04/82
130 Letter of Response To Dr. Schwartz J. Payne 02/04/82
131 12 Meter Resurfacing - 01/31/82
132 12 Meter Panel Support Analysis W. Horne 02/11/82
133 Receiver Costs for 12-m J. M. Payne 02/12/82
134 Final Acceptance Record A. M. Castellano, Electronic Space Systems Corporation 02/10/82
135 12M Panel Support Assembly W. G. Horne 02/18/82
136 9 Sketches of the Proposed Receiver Mount for the 12 Meter Telescope D. Ross 02/08/82
137 12M Antenna - 03/82
138 Sketches of Modified Horizontal Receiver Mounting D. Ross 03/06/82
139 Status of the 12M Back-Up Structure W. Horne 03/09/82
140 The Story of the Azimuth Bearing of the 36-ft Telescope M. A. Gordon 03/08/82
141 36' Azimuth Bearing W. Horne 03/09/82
142 12 Meter Subreflector Translation Stage P. J. Rhodes 03/12/82
143 Receiver Mounting in Positions 3 & 4 D. Ross 03/19/82
144 Startup of 12-m J. M. Payne, P. J. Rhodes 03/29/82
145 Authorization To Begin Construction of the Crane Parking Area P. J. Rhodes 03/17/82
146 12-Meter Telescope Meetings: March 23-25, 1982 B. Peery 04/01/82
147 Design of the Feed Support Legs M. A. Gordon 04/05/82
148 12 Meter Resurfacing - 03/82
149 Apeture Geometry Blockage L. J. King 04/12/82
150 Letter of Thanks To Leonard S. Baker J. W. Findlay 04/12/82
151 Receiver Mounting for 12 M Project J. M. Payne 04/15/82
152 Weighted Aperture Blockage of the 12-m Telescope M. A. Gordon 04/15/82
152A Correction To Memorandum 152 M. A. Gordon 04/30/82
153 The First Looks at the Reference Jig J. Findlay 04/26/82
155 12M Antenna - 05/82
156 A Sunshield for the 12-m Telescope M. A. Gordon 05/03/82
157 12-Meter Panel Edge Positions J. W. Findlay 05/04/82
158 Subcontract AUI-200 Change Order #1 J. Marymor 05/05/82
159 12 Meter Resurfacing - 04/30/82
160 Holographic Measur[e]ment of the 12-m Surface J. Payne 05/10/82
161 Cost Estimate H. Hvatum 05/13/82
162 12M Template Deflection Analysis L. J. King 05/14/82
163 Temperature Transducer Multiplexed Interface R. Lacasse, G. Grove 05/13/82
164 Deflections of the Reference Jig tilted at 17.886° L. J. King 05/20/82
165 Possible Fix Up of the 12m Drive J. M. Payne 05/19/82
166 RFQ5-1982 D. A. Webb 04/27/82
167 Additions or Changes To RFQ 5-1982 Resulting From Preproposal Conference and Site Survey D. A. Webb 05/06/82
168 12-m Meeting Schedule H. Hvatum 06/07/82
169 12M Antenna - 06/82
170 New Allocations H. Hvatum 06/09/82
171 Arrangements for Site Assembly Crew - 12 Meter Antenna-Tucson W. Horne 06/02/82
172 12 Meter Resurfacing - 05/31/82
173 Mirrors for 12-meter Optics B. Peery 06/02/82
174 Letter and Technical Considerations for Holographic Measurement of the NRAO 12-Meter Surface M. Balister, C. R. Moore 06/17/82
175 12M Antenna - 06/82
176 Letter Regarding Deformable Mirrors for Adaptive Optics J. H. Lang, MIT 06/21/82
177 Letter Regarding LES-8/9 Use W. W. Ward, MIT 06/22/82
178 Wider Beam Throws for Continuum Observing with the 12 Meter F. Owen 06/18/82
179 12 Meter Resurfacing - 06/30/82
180 Thermal Behavior of 12M Reflector Structure in Green Bank L. J. King 08/02/82
181 12-m Work Schedule on Kitt Peak H. Hvatum 08/10/82
182 12M Reflector Edge Deflections L. J. King 08/10/82
183 12M Receiver Mounting L. King 08/10/82
184 Financial Report for the 12-m Project H. Hvatum 08/11/82
185 Letters Regarding Fixture Measurements J. W. Findlay 07/27/82
186 12M Resurfacing Project - 07/31/82
187 Measuring the Reference Jig — Phase 1 J. W. Findlay 08/21/82
188 NRAO Access To LES-8/9 - 08/18/82
189 Correcting Template Sensor Readings Using Measurements of the Reference Jig J. W. Findlay, L. King 08/27/82
190 Receiver Mounting Structures L. J. King 09/02/82
191 12 Meter Resurfacing Project - 08/31/82
192 12M Surface Errors Due To Gravitational Forces L. J. King 09/24/82
193 12M Surface Radial Profile For 100# At Edge L. J. King 09/28/82
194 Analysis of 12M Reference Jig on 2 Supports L. J. King 10/04/82
195 12M Weight and Moments of Inertia L. J. King 11/02/82
196 The 12-Meter as of October 13-14 1982 - 10/82
197 Panel and Antenna Dimensions ~ 12M W. Horne 10/22/82
198 12 Meter Resurfacing Project as of September 30, 1982 - 09/30/82
199 12 Meter Resurfacing Project as of October 31, 1982 - 10/31/82
200 Special 12-m Meeting - November 23, 1982 H. Hvatum 11/17/82
201 12 M Receivers J. Payne 11/17/82
202 Holographic Antenna Measurements: Further Technical Considerations L. R. D'Addario 11/82
203 Reflector Edge Deflections Due To 4000# Additional Counterweight (12M Added CTWT Effects) L. J. King 11/30/82
204 Surface Adjustments For Gravitational Forces L. J. King 11/30/82
205 12 Meter Resurfacing Project As of November 30, 1982 - 11/30/82
206 Completed Projects M. Balister, H. Hvatum 12/27/82
207 12M Telescope Performance Approximately Half What the Measurement System Suggests J. W. Findlay 12/28/82
208 Peak Gain of a Cassegrain Antenna with Secondary Position Adjustment M. S. Zarghamee 12/30/82
209 Meeting on January 10, 1983 H. Hvatum 01/03/83
209A Meeting on January 10, 1983 - Change in Telephone Number H. Hvatum 01/06/83
210 1983 Meeting Schedule H. Hvatum 01/06/83
211 12 Meter Resurfacing Project as of December 31, 1982 - 12/31/82
212 Summary of 12M Radiometric Measurements for the Period November 24, 1982 thru January 4, 1983 J. Payne, J. Findlay 01/13/83
213 12M Radiometric Measurements After Panels Adjusted To Take Out Main Error in Reference Jig J. Payne, J. Findlay 01/24/83
214 12 Meter Resurfacing Project - 01/31/83
215 Speed Letter W. W. Ward, MIT 06/12/82
216 1.33 mm Prime Focus Results J. Payne, J. Findlay 02/22/83
217 The 12-Meter Telescope: A Persistent Profile Error Near Sensor #6 J. W. Findlay 02/20/83
218 22 Bit Shaft Angle To Digital Converter System R. W. Freund 03/10/83
219 Focal Movements vs. Elevation Angles L. J. King 03/13/83
220 The 12-Meter Telescope Profile Error Near Sensor 6: Comments on Memo No. 217 W. Horne 03/11/83
221 12 Meter Resurfacing Project - 02/28/83
222 12 Meter Resurfacing Project - 03/31/83
223 New Elevation Drive System B. Peery 04/27/83
224 Slides of the 12-Meter J. W. Findlay 04/28/83
225 Meeting Frequency H. Hvatum 04/29/83
226 12 Meter Resurfacing Project - 04/30/83
227 12 Meter Resurfacing Project - 05/31/83
228 Sun-Screen Fabric D. Ross 06/20/83
229 RMS Calculations For 08/04/1983 Survey L. King 08/10/83
230 12-m Meeting Schedule for Remainder of 1983 H. Hvatum 08/18/83
231 12-Meter Antenna Performance Over First Observing Period (March 21 To June 30, 1983) R. Howard 08/26/83
232 Letter To M. Gordon R. Hills, Cambridge 08/18/83
233 Membrane Material Development R. L. T. Street 05/17/83
234 Cancellation of 12-meter Meeting - 12/27/83 H. Hvatum 12/05/83
235 RMS Surface Accuracy and Zero-Frequency Efficiency M. A. Gordon, R. J. Howard 11/21/83
236 The Edge-Balls Re-Measured J. W. Findlay 12/02/83
237 Holographic Measurement of the 12m Surface Preliminary Report A. N. Lasenby 12/19/83
238 Status of 12-m System J. Payne, C. Salter 01/19/84
239 12-m Telescope Calibration J. M. Payne, P. J. Rhodes, C. J. Salter, E. B. Stobie 03/26/84
240 12-m Telescope Calibration J. M. Payne, C. J. Salter 04/15/84
241 Memo Regarding Various Topics P. R. Jewell, E. B. Stobie 12/19/85
242 Continuum Digital Backend P. R. Jewell 04/17/87
243 Lenses for 200-360 GHz J. Payne 07/07/87
244 Changes for the 1988-89 Observing Season P. R. Jewell 09/29/88
245 Mechanical Hysteresis in Feedleg Sag P. R. Jewell 05/17/89
246 Telescope Pointing Accuracy P. R. Jewell 06/12/89
247 12 m Structural Tilt Measurements P. R. Jewell, T. K. White 07/09/91
248 Fourier Transforms of 12 m Structural Tilt Measurements T.K. White, P. R. Jewell 08/06/91
249 Recommendations For Feed Leg Ventilation J. W. Lamb 07/31/92
250 Evaluation of Feedleg Insulation P. R. Jewell 07/31/92




Modified on Tuesday, 23-Apr-2019 20:07:57 EDT by Library Staff