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GBT Memo List

A chronological list of GBT Memos in included below. Each Memo entry should include the GBT Memo number, Title, Author list, date and current status. The memo series topics include design studies, engineering tests, software analysis and interface specifications for the Robert C. Byrd Green Bank Telescope. These notes are available as links below. Once entered, no memo is deleted (Memos may be marked as one of Current, Superceeded or Obsolete When several members of our group are developing a note it may be kept on line, and the status will be In Preparation).

Memos may be attached in any format the authors prefer, however a "pdf" version of the memo should also be attached when possible.

Memo Title Authors Date Status/Formats
1 View-graphs of Antenna Designs Norrod, R. (7-13-89) Current Memo_1.pdf
2 The Need for High Resolution for Polarization Studies of Galactic Background Radiation Verschuur, G. L. (8-89) Current Memo_2.pdf
3 First Meeting of the Active Surface Group Payne, J. (8-09-89) Current Memo_3.pdf
4 Performance Comparison of Symmetrical and Clear Aperture Antennas Norrod, R., et als (7-25-89) Current Memo_4.pdf
5 GBT Slew Rate Emerson, D. (7-27-89) Current Memo_5.pdf
6 Operation of the GBT at 3 mm Wavelength Thompson, D. (8-04-89) Current Memo_6.pdf
7 Remarks about Scaling and Surface von Hoerner, S. (8-02-89) Current Memo_7.pdf
8 Some Recent Papers on Anomalous Seeing Hogg, D. E. (8-23-89) Current Memo_8.pdf
9 100-m Structure Payne, J. (8-24-89) Current GBT_Memo_9.pdf
10 Actuators Payne, J. (8-30-89) Current Memo_10.pdf
11 The Choice Between Symmetrical and Unblocked-Aperture Designs Thompson, A. R. (9-01-89) Current Memo_11.pdf
12 Primary or Secondary Compensation Payne, J. (9-07-89) Current Memo_12.pdf
13 Far-Out Sidelobes in Large Reflector Antennas Lamb, J. (9-89) Current Memo_13.pdf
14 High-Frequency Performance of GBT Payne, J. (9-22-89) Current GBT_Memo_14.pdf
15 Notes from the GBT Design Workshop Seielstad, G. (9-29-89) Current Memo_15.pdf
16 Spillover Noise Temperature Calculations for the Green Bank Clear Aperture Antenna Srikanth, S. (10-04-89) Current GBT_Memo_16.pdf
17 An Analysis of Spillover for a Clear Aperture Antenna Norrod, R. (10-04-89) Current Memo_17.pdf
18 Homology and the Position of the Arm Thompson, A. R. (10-12-89) Current Memo_18.pdf
19 More on the Spillover Noise Temperature Comparisons for the Green Bank Telescope Srikanth, S. (10-19-89) Current Memo_19.pdf
20 Active Surface Adjustment to Nominal vs. Nearby Paraboloid D'Addario, L. R. (10-20-89) Current Memo_20.pdf
21 Comments on Active Surface Adjustment to Nominal vs. Nearby Paraboloid Thompson, A. R. (10-25-89) Current GBT_Memo_21.pdf
22 A Summary of Wind Statistics for Green Bank Hogg, D., Nance, J. (10-89) Current GBT_Memo_22.pdf
23 The Nobeyama 45-meter Telescope Crews, F. , et al. (11-02-89) Current GBT_Memo_23.pdf
24 Notes on Measuring Distances Findlay, J. W. (11-18-89) Current GBT_Memo_24.pdf
25 Receiver Selection using a Rotating Mirror Coe, J. R. (11-89) Current GBT_Memo_25.pdf
26 Beaming Switching using Tilting Mirrors in a Gregorian System Coe, J. R. (11-28-89) Current GBT_Memo_26.pdf
27 Comments regarding utilities and other physical requirements for proposed sites 3, 4 & 5 for the GBT Peery, B. (12-07-89) Current GBT_Memo_27.pdf
28 Geometry of the Primary Surface of the GBT Schwab, F.R. (1-90) Current GBT_Memo_28.pdf
29 Multibeam Receivers for the GBT Coe, J. R. (1-24-90) Current GBT_Memo_29.pdf
30 GBT Siting Data and Recommendations Crews, J. F. (1-25-90) Current GBT_Memo_30.pdf
31 Panel Surfaces for the Green Bank Telescope Nelson, Jerry (1-90) Current GBT_Memo_31.pdf
32 Tolerance of Panel Location on Mold von Hoerner, S. (1-7-90) Current GBT_Memo_32.pdf
33 GBT Lateral Focusing Brockway, C. (2-29-90) Current GBT_Memo_33.pdf
34 GBT Feed/Subreflector Positioning Coefficients Norrod, R. (2-90) Current GBT_Memo_34.pdf
35 Economization in Number of Surface Panel Molds Schwab, F. (2-90) Current GBT_Memo_35.pdf
36 Pointing and Surface Control of GBT Payne, J. (2-27-90) Current GBT_Memo_362.pdf
37 Error Sensitivity of GBT Laser Metrology Schwab, F. (2-27-90) Current GBT_Memo_37.pdf
38 GBT Fine Pointing Brockway, C. (3-01-90) Current GBT_Memo_38.pdf
39 Cable Specifications for GBT Cable Wrap White, S. D. (3-02-90) Current GBT_Memo_39.pdf
40 Increase in Distance between Large and Small Subreflectors Norrod, R. (3-06-90) Current GBT_Memo_40.pdf
41 Spillover Blockage in the GBT Design Norrod, R. (3-07-90) Current GBT_Memo_41.pdf
42 Fine Pointing for the GBT Payne, J. (3-13-90) Current GBT_Memo_42.pdf
43 GBT Focal Length Norrod, R. (3-20-90 Current GBT_Memo_43.pdf
44 Distortions of the Antenna Pattern Due to Surface-Panel Imperfections Schwab, F. (3-18-90) Current GBT_Memo_44.pdf
45 Atmospheric Limitations on the GBT Laser Ranging System Hogg, D. E. (3-22-90) Current GBT_Memo_45.pdf
46 Painting the Surface of the Green Bank Telescope Hogg, D. E. (3-22-90) Current GBT_Memo_46.pdf
47 Electromagnetic Analysis of the GBT Srikanth, S. (3-27-90) Current GBT_Memo_47.pdf
48 Correcting for Gravitational Motion of Focus in Elevation Srikanth, S. (4-24-90) Current GBT_Memo_48.pdf
49 Axial Focusing Srikanth, S. (4-24-90) Current GBT_Memo_49.pdf
50 Axis of Nutation and Nutated Performance Srikanth, S. (4-20-90) Current GBT_Memo_50.pdf
51 GBT Control and Monitor System Update and Commentary Clark, M, et. al. (5-22-90) Current GBT_Memo_51.pdf
52 Azimuth and Parallactic Angle Tracking near the Zenith Ghigo, F. (5-24-90) Current GBT_Memo_52.pdf
53 GBT Pointing Coefficients Srikanth, S. (5-24-90) Current GBT_Memo_53.pdf
54 ARM Location and Homology von Hoerner, S. (1-03-90) Current GBT_Memo_54.pdf
55 Field of View of GBT -- Unshaped Srikanth, S. (6-6-90) Current GBT_Memo_55.pdf
56 Remarks About Dynamics, Atmosphere and Summaries von Hoerner, S. (6-10-90) Current GBT_Memo_56.pdf
57 The Laser Ranging System for the GBT Payne,J.; Parker,D. (7-20-90) Current GBT_Memo_57.pdf
58 Beam-switching on the GBT Maddalena R;Salter,C. (10-16-90) Current GBT_Memo_58.pdf
59 The GBT's Adjustable Optics Fisher, R.,Norrod,R. & Payne,J. (10-10-90) Current GBT_Memo_59.pdf
60 Active Correction at the Primary Reflector or the Subreflector? Thompson, A. R. (10-26-90) Current GBT_Memo_60.pdf
61 Parameters for Filling or Covering Panel Gaps on the GBT Fisher, R. (12-29-90) Current GBT_Memo_61.pdf
62 Gaps or Seams in the Subreflector Surface Norrod, R. (1-29-91) Current GBT_Memo_62.pdf
63 GBT Feed Turret Norrod, R. (5-16-91) Current GBT_Memo_63.pdf
64 Orientation of the Retroreflectors on the GBT Primary Surface Schwab, F. (5-19-91)) Current GBT_Memo_64.pdf
65 Corner Cube Mounting Seaman, D. (6-24-91) Current GBT_Memo_65.pdf
66 Gregorian Receivers for the GBT Balister,M., Norrod,R., Srikanth,S. (9-10-91) Current GBT_Memo_66.pdf
67 Concept of a Quasi-Optical Beam-Switching Scheme on the GBT Srikanth, S. (9-20-91) Current GBT_Memo_67.pdf
68 Planned Holographic Measurements with the Green Bank Telescope Maddalena, R.,Norrod, R.,White,S. (9-30-91) Current GBT_Memo_68.pdf
69 Proposed Plan to Implementing Prime Focus Receiver Requirements for the GBT Behrens, G. (10-14-91) Current GBT_Memo_69.pdf
70 Remarks Regarding GBT Memo 67 von Hoerner, S. (11-08-91) Current GBT_Memo_70.pdf
71 Special Design Considerations For Wind Induced Pointing Errors in Large Unblocked Aperture Radio Reflectors Merrillu D. (12-91) Current GBT_Memo_71.pdf
72 Requirements for Data Analysis Software for the Green Bank Telescope Foster, R., et.als. (12-05-91) Current GBT_Memo_72.pdf
73 A Rangefinder With Fast Multiple Range Capability Payne, J., et.als. (2-92) Current GBT_Memo_73.pdf
74 Paint Performance at Millimeter Wavelengths Lamb, J. (3-92) Current GBT_Memo_74.pdf
75 GBT Pointing Equations Condon, J. (4-92) Current GBT_Memo_75.pdf
76 RFi Tests on PowerTec Brushless Motor and Controller Lacasse, R., et.als. (5-92) Current GBT_Memo_76.pdf
77 RFi Tests on Magnetostrictive Position Sensors Norrod, R., et.als. (5-92) Current GBT_Memo_77.pdf
78 Correcting for Gravity Induced Deformations Srikanth, S. (5-92) Current GBT_Memo_78.pdf
79 The Feasibility of Acoustic Thermometry for Laser EDM Temperature Correction Parker, D.H., et als. (7-92) Current GBT_Memo_79.pdf
80 Evaluation of LVDT Units for the GBT Schiebel, D., et als. (7/92) Current GBT_Memo_80.pdf
81 Observer Monitor and Control Requirements Fisher, J. R., Lockman, F.J. (8/92) Current GBT_Memo_81.pdf
82 GBT Gregorian Receiver Status Lockman,F.,Norrod,R. (9/92) Current GBT_Memo_82.pdf
83 GBT Spectrometer Requirements Lockman, F. J. (9/92) Current GBT_Memo_83.pdf
84 Pointing the GBT Payne, J. M. (9/92) Current GBT_Memo_84.pdf
85 The GBT Precision Pointing System Wells, D. C. (9/92) Current GBT_Memo_85.pdf
86 RFI Testing of Power Drive Unit and Six Motors Lacasse, R. J. (10/92) Current GBT_Memo_86.pdf
87 Gain/System Temperature Optimization at Secondary Focus Srikanth, S. (10/92) Current GBT_Memo_87.pdf
88 GBT M&C Requirements Analysis Model Clark, M. (10/92) Current GBT_Memo_88.pdf
89 GBT Monitor and Control Design Rationale Clark,M., Fisher,R. (11/92) Current GBT_Memo_89.pdf
90 Comments on GBT Memo No. 89: GBT Monitor and Control Design Rationale D'Addario, L.R. (11/92) Current GBT_Memo_90.pdf
91 Laser Safety Valente, M.J. (11/92) Current GBT_Memo_91.pdf
92 Reply to GBT Memo 90 Fisher,R., Clark,M. (11/92) Current GBT_Memo_92.pdf
93 Error Sensitivity of the GBT Subreflector Positioning Mechanism Schwab, F. (11/92) Current GBT_Memo_93.pdf
94 A Summary of the Minimum Requirements for the Control and Operation of the GBT in the Initial Phase Hogg, D. E. (12/92) Current GBT_Memo_94.pdf
95 Active Surface Actuator RFI Problems Schieble, D. R. (12/92) Current GBT_Memo_95.pdf
96 Wind Vibrations von Hoerner, S. (12/92) Current GBT_Memo_96.pdf
97 A Study of the Effect of Vertical Stratification of the Atmosphere on the Performance of the GBT Kogan, Leonid (1/93) Current GBT_Memo_97.pdf
98 Profile Corrugated Horn for the GBT: Prototype Design and Measurement Srikanth, S. (1/93) Current GBT_Memo_98.pdf
99 Design Goals for a Digital Continuum Receiver Schiebel, D.R. (1/93) Current GBT_Memo_99.pdf
100 Shift of Prime Focus Location by Small Surface Adjustments von Hoerner, S. (2/93) Current GBT_Memo_100.pdf
101 The Holography System:IF and Correlator Design White, S. D. (2/93) Current GBT_Memo_101.pdf
102 Polarization Characteristics of the GBT Srikanth, S. (4/93) Current GBT_Memo_102.pdf
103 Division of Concerns in the GBT Pointing Correction System Macknik,L. et.als. (4/93) Current GBT_Memo_103.pdf
104 GBT Dynamics Lacasse,R.,Weadon,T. (5/93) Current GBT_Memo_104.pdf
105 The GBT Observer Interface Heiles,C., Maddalena, R. (8/93) Current GBT_Memo_105.pdf
106 RF to Optical Fiber: Switching and Transfer Functions. A Proposal for Software. Heiles, C. (8/93) Current GBT_Memo_106.pdf
107 A Suggested Design for the control Facility for the Green Bank Telescope Maddalena, R.J. (8/93) Current GBT_Memo_107.pdf
108 The Proposed GBT Correlator Heiles, C. (9/93) Current GBT_Memo_108.pdf
109 Long Millimeter-wave Science with the GBT Wootten, A. (12/93) Current GBT_Memo_109.pdf
110 Astronomical Pointing Parameters von Hoerner, S. (11/93) Current GBT_Memo_110.pdf
111 Laser Ranging System ZY Software Creager, R. (1/94) Current GBT_Memo_111.pdf
112 Refraction, Weather Station Components, and Other Details for Pointing the GBT Maddalena, R. (2/94) Current GBT_Memo_112.pdf
113 GBT Phases Hall, Robert D. (6/94) Current GBT_Memo_113.pdf
114 GBT Actuator/retroreflector/panel Spreadsheet Parker, D. (9/94) Current GBT_Memo_114.pdf
115 Gain Reduction due to Gravity-Induced Deflections Srikanth,S. (9/94) Current GBT_Memo_115.pdf
116 Pellissier Model H5 Portable Hydrostatic Level Pellissier (5/93) Current GBT_Memo_116.pdf
117 Benchmarks for Accurate Leveling Pellissier (5/93) Current GBT_Memo_117.pdf
118 Actuator Short Step Life Tests Lacasse,R. (1/95) Current GBT_Memo_118.pdf
119 GBT Surface Accuracy Norrod, R. (1/95) Current GBT_Memo_119.pdf
120 Requirements on use of the GBT active surface Lockman, F.J. (1/95) Current GBT_Memo_120.pdf
121 Addendum to GBT Memo No. 115 Srikanth, S. (2,95) Current GBT_Memo_121.pdf
122 A Revised Description of the GBT Pointing System Hogg, D. & Fisher, R. (2,95) Current GBT_Memo_122.pdf
123 A Networked Frame Grabber Creager, R. (2/95) Current GBT_Memo_123.pdf
124 The GBT Tipping Structure Model in C Wells, D. and King, Lee (3/95) Current GBT_Memo_124.pdf
125 Evaluating GBT Performance during the Commissioning Phase Fisher, J.R. and Maddalena, R.J. and McKinnon, M.M. (4/95) Current GBT_Memo_125.pdf
126 The Statistics of Wind Speed near the GBT McKinnon, M (4/95) Current GBT_Memo_126.pdf
127 GBT Dynamic Pointing Meeting Payne,J. (4,95) Current GBT_Memo_127.pdf
128 Solar Diffusion of Painted Reflectors Norrod,R. (4,95) Current GBT_Memo_128.pdf
129 Modeling and Analysis of the GBT Control System Gawronski,W. and Parvin,B. (4,95) Current GBT_Memo_129.pdf
130 GBT Finite Element Analysis Macros in Quattro Pro Buzanoski, G (5/95) Current GBT_Memo_130.pdf
131 GBT Best-Fitting Paraboloid [BFP] in C Wells, D., King, L.. (7,95) Current GBT_Memo_131.pdf
132 Fast Pointing Change and Small Oscillation von Hoerner, S. (7,95) Current GBT_Memo_132.pdf
133 Active Damping for the GBT ARM Payne, J.M., Emerson, D.T. (7,95) Current GBT_Memo_133.pdf
134 Simulations of the GBT Antenna with the Command Preprocessor Gawronski, W., Parvin, B.. (7,95) Current GBT_Memo_134.pdf
135 Simulations of the GBT Antenna with the Command Preprocessor: Approximations from 100 ms to 20 ms Sampling Gawronski,W. and Parvin,B. (7,95) Current GBT_Memo_135.pdf
136 Simulations of the GBT Antenna with the LQG Controller Gawronski,W. and Parvin,B. (8,95) Current GBT_Memo_136.pdf
137 The Case for Equipping the GBT with 26.5 - 40 GHz Receivers Frayer, D., Vanden Bout, P. (8,95) Current GBT_Memo_137.pdf
138 Summary of Life Tests of GBT Panel Actuators Lacasse,R. (9,95) Current GBT_Memo_138.pdf
139 Low Tracking Rates in Azimuth McKinnon, M (9,95) Current GBT_Memo_139.pdf
140 Optical Electronic Distance Measuring Apparaturs with Movable Mirror - U.S. Patent Payne, J.M., Parker, D., Bradley, R. (10,95) Current GBT_Memo_140.pdf
141 Design Considerations for a GBT Q-Band Array Receiver Wollack, E., Srikanth, S. (11,95) Current
142 The Effects of Random Surface and Pointing Deviations on GBT Performance Wollack, E. (11,95) Current
143 On Possible Locations for a GBT Quadrant Detector Norrod, R.. (1,96) Current (pdf)
144 Monitoring the GBT Arm Movement Payne, J. (1,96) Current (pdf)
145 The Green Bank Telescope Panel Setting Tool Instrumentation Parker, D. H. (2,96) Current (pdf)
146 Optical Ray Trace Computations for the Laser Ranging System Detector Lens Goldman, M. (2,96) Current
147 Laser Rangefinder Locations and Orientations Schwab, F. (3/96) Current HTML
148 Ball Retroreflector Optics Goldman, M. (3,96) Current
149 First Tests of a Quadrant Detector Payne, J.M. & Schiebel, D. (3,96) Current (pdf)
150 GBT Paint Thickness-GBT Surface Coating Specification Supplementary Information Payne, J.M., Shillue, B., Wollack, E. (4,96) Current
151 Fiber Optic Gain Stability White, S. D. (6,96) Current
152 Preventing Oscillations of Large Radio Telescopes after a Fast Stop von Hoerner, S. (6,96) Current (pdf)
153 Target Position Corrections Due to Non-Perpendicularity of Laser Scan Axes Goldman, M. (8,96) Current
154 GBT Dish Laser Range Measurement Corrections Goldman, M. (8,96) Current
155 A Summary of the GBT Optics Design Norrod, R. & Srikanth, S. (9,96) Current (pdf)HTML
156 GBT Laser Rangefinder Intensity and Safety Goldman, M. (9,96) Current
157 A Status Report on The GBT Laser Demonstration at the 140-Foot Telescope Parker, D.H. (9,96) Current
158 Slant Range Tests of Quadrant Detector Payne, J.M. & Schiebel, D. (9,96) Current (pdf)
159 Dynamic Tests on the GBT Payne, J.M. & Schiebel, D. & Schwab, F.R. (9,96) Current PS
160 Laser Rangefinder Deflection Measurements of GBT Derrick Petticrew, A. L. (11,96) Current
161 Approaches to the GBT Vibration Problem Wells, D. (12,96) Current
162 Rangefinder Metrology for the Green Bank Telescope Goldman,M.A. & Creager, R.E. & Parker, D.H. & Payne, J.A. (2,97) Current
163 GBT Fiber IF System White, S. & Norrod, R. (9,97) Current
164 Laser Distance Measurements to the Elevation Bearing Support Weldments Goldman, M.A. (3,97) Current
165 GBT Coordinates and Coordinate Transformations Goldman, M.A. (4,97) Current (pdf)
166 The Green Bank Telescope Laser Metrology R&D Project Parker, D.H. (4,97) Current
167 Initial Passive Vibration Measurement on the GBT Schwab, F. & Payne, J.M. & Schiebel, D. (6,97) Current PS
168 Measurements of 201 Manufactured GBT Surface Retroreflector Assemblies Goldman, M.A. (9,97) Current
169 Status of Pointing Tests on the 140-Ft. using the GBT Metrology System Cotton, W.D. (10,97) Current
170 GBT Spectrometer Sampler Tests Escoffier, R. (10,97) Current
171 Pad for Loading Front Ends and GBT Access Ramp Weadon, T., Lawrence, G., Crews, F. (11,97) Current
172 Policy on Issues Affecting the Development of Graphical User Interfaces for the GBT McKinnon, M. (11,97) Current
173 The Condon Series Pointing Model in C Wells, D. (1,98) Current
174 Graphical User Interfaces (GUIs) for the Green Bank Telescope Hunt, G. (1,98) Current
175 GBT Subreflector Actuator Functions in C Wells, D. (1,98) Current (pdf)
176 GBT Subreflector Motions and Servo Properties Wells, D. (1,98) Current
177 Visualizing the Geometry of the GBT Metrology Systems Wells, D. (2,98) Current
178 The "ray" ray tracing package Wells, D. (3,98) Current
179 Imaging Properties of the GBT Subreflector in C Wells, D. (3,98) Current
180 The Control Software Architecture for the Green Bank Telescope Clark, M. (4,98) Current
181 GBT telescope and instrumentation control system hardware architecture: computers, networks, interfaces, and timing Ford, J. (4,98) Current
182 Reliable Multicast Protocols and their Application on the Green Bank Telescope Brandt, J. (4,98) Current
183 GBT Gregorian Focus Tracking in C Wells, D. (6,98) Current
184 The Green Bank Telescope Active Surface System Lacasse, R. (6,98) Current (pdf)
185 140' + GBT Spectrometer tests: First Light Langston, G. & Norrod, R. (6,98) Current PS
186 Measurement Program for the Green Bank Telescope Hall, R. D., et al (7,98) Current
187 A New Short-Backfire Antenna as Prime Focus Feed for the GBT Srikanth, S., Behrens, G. (9,98) Current
188 Dynamical Rangefinder Measurements Goldman, M. (9,98) Current
189 The Green Bank Telescope Laser Metrology System ZY Version 2.5 Software Interface Reference Manual Creager, R. (9,98) Current
190 GBT Spectrometer Temperature Tests Lacasse, R. (8,98) Current HTML
191 VOID (Duplicate of GBT Memo 186 Hall, R. D., et al (7,98) Obsolete
192 The Green Bank Telescope: An Overview Lockman, F. J. (12,98) Current
193 GBT Receiver Development Condon, J. (12,98) Current
194 Scientific Requirements for GBT Metrology Condon, J. (12,98) Current
195 GBT Pointing Coefficient Estimates for Phase I, from Metrology Measurements Goldman, M. A. et al (3/99) Current
196 Fitting Models to Simulated Rangefinder Data Wells, D. (4/99) Current
197 A Protocol for Pointing Synchronization Messages Brandt, J. (4/99) Current
198 Field-of-View of the GBT at 46 GHz Norrod, R., Srikanth, S. (5/99) Current (pdf)
199 Field-of-View of the GBT at 90 GHz Norrod, R., Srikanth, S. (5/99) Current (pdf)
200 GBT Panel Actuator Errors and Calibration Lacasse, R. J. (5/99) Current (pdf)
201 Analysis of GBT Accelerometer Data from the May 19 Elevation Rotation Schwab, Frederic R. (8/99) Current (pdf)
202 2-D phase closure with GBT laser rangefinders Wells, D., et. al (12/99) Current
203 Jerk-Minimizing Trajectory Generator in C Wells, D. (01/00) Current (pdf)
204 GBT Feed-arm Analysis using Laser Ranging and Accelerometers Balser, D. S. (02/00) Current
205 Enhancements to the Pellissier H5 Hydrostatic Level Parker, D. et al August 2000 Current
206 Instrument for Setting Radio Telescope Surfaces Parker, D. et al August 2000 Current
207 Analysis of Cardinal Point Survey Data Wells, D. October 2000 Current
208 Requirements for Accurate Galactic HI Observations with the GBT Lockman, F. J. January 2001 Current
209 Geometry and Conventions for Subreflector Metrology Goldman, M. A. January 2001 Current
210 GBT Feed/Receiver Room Flange Center Locations Goldman, M. A. January 2001 Current  
211 Calibration of the GBT Triplet Retroreflector Units Goldman, M. A. January 2001 Current
212 Rangefinder Target Visibility Codes Goldman, M. A. January 2001 Current
213 Phase Center Locations for GBT Gregorian Feeds Goldman, M. A. January 2001 Current
214 Range Scan Program - Static Check Scan, Main Reflector Surface Goldman, M. A. January 2001 Current
215 Range Scan Program - Proposed Scan Scheduler, Conventions, Missions Goldman, M. A. January 2001 Current
216 Range Scan Program - Triplet Retroreflector Use Goldman, M. A. January 2001 Current
217 Range Scan Program - Rangefinder Aiming Goldman, M. A. January 2001 Current
218 Comments on COMSAT's Alignment Survey of the Subreflector Structure, as Erected onto the GBT Telescope Goldman, M. A. January 2001 Current
219 GBT Spectrometer Tests at L-Band Langston, G., Lacasse, R. January 2001 Current
220 Demonstration of the Mechanism Driving the GBT Track Movement Parker, D. H. July 2001 Current
221 Using the Portable Fast Sampler Margot, J. November 2000 (released March 2002) Current (pdf)
222 GBT Rolling Weight Measurements, Methods, Results, estimation of uncertainty, and auxiliary measurements Parker, D. H., et al October 2003 Current
223 Green Bank Site Survey Information Parker, D. H., et al April 2004 Current
224 NRAO Green Bank Metrology Lab Capabilities, Facilities, & Resources Parker, D. H., et al April 2004 Current
225 Attenuated Retroreflectors for Electronic Distance Measurement Parker, D. H., et al April 2004 Current
226 Multidirectional Retroreflector Assembly with a common virtual reflection point using four-mirror retroreflectors Parker, D. H. April 2004 Current
227 Calibration and Modeling of a Dual-axis Inclinometer Parker, D. H., et al April 2004 Current
228 Advances in Hydrostatic Leveling with the NPH6, and suggestions for further enhancements Parker, D. H., et al April 2004 Current
229 Calibration of Kelvin Clamp Euler angles for absolute instrument orientation Parker, D. H., Shelton, J April 2004 Current
230 Working Notes on The Green Bank Telescope Laser Metrology System Parker, D. H. April 2004 Current
231 "Trajectory Generator" with small steps Wells, D. May 2004 Current
232 Apparent Temperature of Mercury, Mars, Saturn, and Venus at X Band Langston, G., Braatz, J., Ghigo, F., Maddalena, R., Minter, T. and O'Neil April 2004 Current (pdf, latex)
233 GBT Calibration and Efficiency at 285-400 MHz Langston, G., Orban, C. July 2004 Current (pdf)
234 August 2004 Lab Measurements of the Optical Drive Module Linearities Minter, T., White, S., Norrod, R. November 2004 Current (pdf)
235 May 2004 Measurements of IF Non-linearities in the IF Rack and the DCR Minter, T., White, S., Norrod, R. November 2004 Current (pdf)
236 Observing at the GBT with VLBA+Mark5A and VLBA+S2 backends Kovalev, Y. Y., Ghigo, F., Kondratiev, V. I., Bartel, N, Soglasnov, V. A., and Popov, M. V. April 2005 Current (pdf)
237 GBTIDL Calibration and Imaging Tests Curtis, J. and Langston, G. August 2005 Current (pdf)
238 3 mm GBT Feed Tests Anderson, G. August 2005 Current (doc)
239 Zspectrometer Installation Options White, S. and Simon, B. January 2006 Current
240 Backend DC Offsets and Calibration Errors as Sources of Non-linearity Minter, T. May 2006 Current (pdf)
241 Lab Measurements of the Optical Drive Module Linearities with the New NRAO Built Amplifiers Minter, T. and White, S. May 2006 Current (pdf)
242 Linearity of the GBT IF Rack to DCR Square Law Detectors, March 2006 Minter, T. and White, S. June 2006 Current (pdf)
243 Scanning Performance of the GBT at 1.4 GHz from Prime Focus S. Srikanth June, 9 2006 Current (pdf)
244 The Proper Production of Full-Stokes Spectra Using the Fully-Functioning Full-Stokes Mode of the GBT Spectrometer T. Robishaw & C. Heiles 14 October, 2006
Rev. 26 October, 2006
Current (pdf)
245 Zpectrometer comissioning memo Fall, 2006 A. Harris, et al   Current (gbt_memo245.pdf)
246 Recent Astronomical Commissioning Results for the Ka-band (26.0-40 GHz) Receiver D.J. Pisano, Ron Maddalena, Charles Figura, Jeff Wagg   Current (Ka_AstroSpectromComm.pdf)
247 Ghost Images of Strong Signals Arising at +/-100 MHz and from Aliased Power in GBT Spectrometer Spectra Toney Minter June 4, 2007 gbt_memo247.pdf
248 Symmetry in the Ka-band Correlation Receiver's Input Circuit and Spectral Baseline Structure A. Harris, S. Zonak, G. Watts June 7, 2007 gbt_memo248.pdf
249 Basic Stability of the Ka-band Correlation Receiver A. Harris, S. Zonak, G. Watts July 5, 2007 gbt_memo249.pdf
250 Van Vleck Correction for the GBT Correlator F. Schwab Aug. 23, 2007 gbtmemo250.pdf
251 Science with Bolometer Arrays on the GBT B. Mason Jun 24, 2003 pdf
252 Mustang Fall 2006 Engineering Run Results B. Mason, S.Dicker, P.Korngut, J.Aguirre March 7, 2007 pdf
253 Pseudocontinuum Polarimetry with the GBT B. Mason Sept 3, 2007 pdf
254 Design Considerations for Correlation Receivers A. Harris October 22, 2007 gbt_memo254.pdf
255 Astronomical Results from the Recommissioning of the Ka-band as a Dual-Feed, Single Channel Receiver using the Spectrometer R. Maddalena, D. J. Pisano, J. Wagg December 20, 2007 GBT_Memo_255.pdf
256 Ka-band Observations of low_J CO line emission in z~6 quasar host galaxies J. Wagg, R. Wang, C. Carilli, F. Walter, R. Maddalena, D. J. Pisano February 21, 2008 GBT_Memo_256.pdf
257 A VXCO Upgrade of LO3 To Reduce ±100MHz Sideband Image Ghosts A. Minter and M. Stennes August, 2007 GBT_Memo_257.pdf

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