NRAO GBT Memo Series

This is a list of the GBT memo series. Some of these memos are available online here. Not all of these are complete in that they may be missing line drawings which were included with the original memos.

For discussions from February 1988 through June 1989, see NLSRT memos.

Memos 1 thru 27 1989

GBT Memo 1
View-graphs of Antenna Designs
Norrod, R. (7-13-89)
GBT Memo 2
The Need for High Resolution for Polarization Studies of Galactic Background Radiation
Verschuur, G. L. (8-89)
GBT Memo 3
First Meeting of the Active Surface Group
Payne, J. (8-09-89)
GBT Memo 4
Performance Comparison of Symmetrical and Clear Aperture Antennas
Norrod, R., et als (7-25-89)
GBT Memo 5
GBT Slew Rate
Emerson, D. (7-27-89)
GBT Memo 6
Operation of the GBT at 3 mm Wavelength
Thompson, D. (8-04-89)
GBT Memo 7
Remarks about Scaling and Surface
von Hoerner, S. (8-02-89)
GBT Memo 8
Some Recent Papers on Anomalous Seeing
Hogg, D. E. (8-23-89)
GBT Memo 9
100-m Structure
Payne, J. (8-24-89)
GBT Memo 10
Actuators
Payne, J. (8-30-89)
GBT Memo 11
The Choice Between Symmetrical and Unblocked-Aperture Designs
Thompson, A. R. (9-01-89)
GBT Memo 12
Primary or Secondary Compensation
Payne, J. (9-07-89)
GBT Memo 13
Far-Out Sidelobes in Large Reflector Antennas
Lamb, J. (9-89)
GBT Memo 14
High-Frequency Performance of GBT
Payne, J. (9-22-89)
GBT Memo 15
Notes from the GBT Design Workshop
Seielstad, G. (9-29-89)
GBT Memo 16
Spillover Noise Temperature Calculations for the Green Bank Clear Aperture Antenna
Srikanth, S. (10-04-89)
GBT Memo 17
An Analysis of Spillover for a Clear Aperture Antenna
Norrod, R. (10-04-89)
GBT Memo 18
Homology and the Position of the Arm
Thompson, A. R. (10-12-89)
GBT Memo 19
More on the Spillover Noise Temperature Comparisons for the Green Bank Telescope
Srikanth, S. (10-19-89)
GBT Memo 20
Active Surface Adjustment to Nominal vs. Nearby Paraboloid
D'Addario, L. R. (10-20-89)
GBT Memo 21
Comments on Active Surface Adjustment to Nominal vs. Nearby Paraboloid
Thompson, A. R. (10-25-89)
GBT Memo 22
A Summary of Wind Statistics for Green Bank
Hogg, D., Nance, J. (10-89)
GBT Memo 23
The Nobeyama 45-meter Telescope
Crews, F. , et al. (11-02-89)
GBT Memo 24
Findlay, J. W.
Notes on Measuring Distances
Findlay, J. W. (11-18-89)
GBT Memo 25
Receiver Selection using a Rotating Mirror
Coe, J. R.
(11-89)
GBT Memo 26
Beaming Switching using Tilting Mirrors in a Gregorian System
Coe, J. R. (11-28-89)
GBT Memo 27
Comments regarding utilities and other physical requirements for proposed sites 3, 4 & 5 for the GBT
Peery, B. (12-07-89)
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Memos 28 thru 61 1990

GBT Memo 28
Geometry of the Primary Surface of the GBT
Schwab, F.R. (1-90)
GBT Memo 29
Multibeam Receivers for the GBT
Coe, J. R. (1-24-90)
GBT Memo 30
GBT Siting Data and Recommendations
Crews, J. F. (1-25-90)
GBT Memo 31
Panel Surfaces for the Green Bank Telescope
Nelson, Jerry (1-90)
GBT Memo 32
Tolerance of Panel Location on Mold
von Hoerner, S. (1-7-90)
GBT Memo 33
GBT Lateral Focusing
Brockway, C. (2-29-90)
GBT Memo 34
GBT Feed/Subreflector Positioning Coefficients
Norrod, R. (2-90)
GBT Memo 35
Economization in Number of Surface Panel Molds
Schwab, F. (2-90)
GBT Memo 36
Pointing and Surface Control of GBT
Payne, J. (2-27-90)
GBT Memo 37
Error Sensitivity of GBT Laser Metrology
Schwab, F. (2-27-90)
GBT Memo 38
GBT Fine Pointing
Brockway, C. (3-01-90)
GBT Memo 39
Cable Specifications for GBT Cable Wrap
White, S. D. (3-02-90)
GBT Memo 40
Increase in Distance between Large and Small Subreflectors
Norrod, R. (3-06-90)
GBT Memo 41
Spillover Blockage in the GBT Design
Norrod, R. (3-07-90)
GBT Memo 42
Fine Pointing for the GBT
Payne, J. (3-13-90)
GBT Memo 43
GBT Focal Length
Norrod, R. (3-20-90
GBT Memo 44
Distortions of the Antenna Pattern Due to Surface-Panel Imperfections
Schwab, F. (3-18-90)
GBT Memo 45
Atmospheric Limitations on the GBT Laser Ranging System
Hogg, D. E. (3-22-90)
GBT Memo 46
Painting the Surface of the Green Bank Telescope
Hogg, D. E. (3-22-90)
GBT Memo 47
Electromagnetic Analysis of the GBT
Srikanth, S. (3-27-90)
GBT Memo 48
Correcting for Gravitational Motion of Focus in Elevation
(Small Subreflector)
Srikanth, S. (4-24-90)
GBT Memo 49
Axial Focusing
Srikanth, S. (4-24-90)
GBT Memo 50
Axis of Nutation and Nutated Performance
Srikanth, S. (4-20-90)
GBT Memo 51
GBT Control and Monitor System Update and Commentary
Clark, M, et. al. (5-22-90)
GBT Memo 52
Azimuth and Parallactic Angle Tracking near the Zenith
Ghigo, F. (5-24-90)
GBT Memo 53
GBT Pointing Coefficients
Srikanth, S. (5-24-90)
GBT Memo 54
ARM Location and Homology
von Hoerner, S. (1-03-90)
GBT Memo 55
Field of View of GBT -- Unshaped
Srikanth, S. (6-6-90)
GBT Memo 56
Remarks About Dynamics, Atmosphere and Summaries
von Hoerner, S. (6-10-90)
GBT Memo 57
The Laser Ranging System for the GBT
Payne,J.; Parker,D. (7-20-90)
GBT Memo 58
Beam-switching on the GBT
Maddalena R;Salter,C. (10-16-90)
GBT Memo 59
The GBT's Adjustable Optics
Fisher, R.,Norrod,R. & Payne,J. (10-10-90)
GBT Memo 60
Active Correction at the Primary Reflector or the Subreflector?
Thompson, A. R. (10-26-90)
GBT Memo 61
Parameters for Filling or Covering Panel Gaps on the GBT
Fisher, R. (12-29-90)
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Memos 62 thru 72 1991

GBT Memo 62
Gaps or Seams in the Subreflector Surface
Norrod, R. (1-29-91)
GBT Memo 63
GBT Feed Turret
Norrod, R. (5-16-91)
GBT Memo 64
Orientation of the Retroreflectors on the GBT Primary Surface
Schwab, F. (5-19-91))
GBT Memo 65
Corner Cube Mounting
Seaman, D. (6-24-91)
GBT Memo 66
Gregorian Receivers for the GBT
Balister,M., Norrod,R., Srikanth,S. (9-10-91)
GBT Memo 67
Concept of a Quasi-Optical Beam-Switching Scheme on the GBT
Srikanth, S. (9-20-91)
GBT Memo 68
Planned Holographic Measurements with the Green Bank Telescope
Maddalena, R.,Norrod, R.,White,S. (9-30-91)
GBT Memo 69
Proposed Plan to Implementing Prime Focus Receiver Requirements for the GBT
Behrens, G. (10-14-91)
GBT Memo 70
Remarks Regarding GBT Memo 67
von Hoerner, S. (11-08-91)
GBT Memo 71
Special Design Considerations For Wind Induced Pointing Errors in Large Unblocked Aperture Radio Reflectors
Merrill, D. (12-91)
GBT Memo 72
Requirements for Data Analysis Software for the Green Bank Telescope
Foster, R., et.als. (12-05-91)
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Memos 73 thru 96 1992

GBT Memo 73
A Rangefinder With Fast Multiple Range Capability
Payne, J., et.als. (2-92)
GBT Memo 74
Paint Performance at Millimeter Wavelengths
Lamb, J.
GBT Memo 75
GBT Pointing Equations
Condon, J. (4-92)
GBT Memo 76
RFi Tests on PowerTec Brushless Motor and Controller
Lacasse, R., et.als. (5-92)
GBT Memo 77
RFi Tests on Magnetostrictive Position Sensors
Norrod, R., et.als. (5-92)
GBT Memo 78
Correcting for Gravity Induced Deformations
Srikanth, S.
GBT Memo 79
The Feasibility of Acoustic Thermometry for Laser EDM Temperature Correction
Parker,D.H., et.als. (7-92)
GBT Memo 80
Evaluation of LVDT Units for the GBT
Schiebel,D., et.als. (7/92)
GBT Memo 81
Observer Monitor and Control Requirements
Fisher, J. R., Lockman, F.J. (8/92)
GBT Memo 82
GBT Gregorian Receiver Status
Lockman,F.,Norrod,R. (9/92)
GBT Memo 83
GBT Spectrometer Requirements
Lockman, F. J. (9/92)
GBT Memo 84
Pointing the GBT
Payne, J. M. (9/92)
GBT Memo 85
The GBT Precision Pointing System
Wells, D. C. (9/92)
GBT Memo 86
RFI Testing of Power Drive Unit and Six Motors
Lacasse, R. J. (10/92)
GBT Memo 87
Gain/System Temperature Optimization at Secondary Focus
Srikanth, S. (10/92)
GBT Memo 88
GBT M&C Requirements Analysis Model
Clark, M. (10/92)
GBT Memo 89
GBT Monitor and Control Design Rationale
Clark,M., Fisher,R. (11/92)
GBT Memo 90
Comments on GBT Memo No. 89: GBT Monitor and Control Design Rationale
D'Addario, L.R. (11/92)
GBT Memo 91
Laser Safety
Valente, M.J. (11/92)
GBT Memo 92
Reply to GBT Memo 90
Fisher,R., Clark,M. (11/92)
GBT Memo 93
Error Sensitivity of the GBT Subreflector Positioning Mechanism
Schwab, F. (11/92)
GBT Memo 94
A Summary of the Minimum Requirements for the Control and Operation of the GBT in the Initial Phase
Hogg, D. E. (12/92)
GBT Memo 95
Active Surface Actuator RFI Problems
Schieble, D. R. (12/92)
GBT Memo 96
Wind Vibrations
von Hoerner, S. (12/92)
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Memos 97 thru 110 1993

GBT Memo 97
A Study of the Effect of Vertical Stratification of the Atmosphere on the Performance of the GBT
Kogan, Leonid (1/93)
GBT Memo 98
Profile Corrugated Horn for the GBT: Prototype Design and Measurement
Srikanth, S. (1/93)
GBT Memo 99
Design Goals for a Digital Continuum Receiver
Schiebel, D.R. (1/93)
GBT Memo 100
Shift of Prime Focus Location by Small Surface Adjustments
von Hoerner, S. (2/93)
GBT Memo 101
The Holography System:IF and Correlator Design
White, S. D. (2/93)
GBT Memo 102
Polarization Characteristics of the GBT
Srikanth, S. (4/93)
GBT Memo 103
Division of Concerns in the GBT Pointing Correction System
Macknik,L. et.als. (4/93)
GBT Memo 104
GBT Dynamics
Lacasse,R.,Weadon,T. (5/93)
GBT Memo 105
The GBT Observer Interface
Heiles,C., Maddalena, R. (8/93)
GBT Memo 106
RF to Optical Fiber: Switching and Transfer Functions. A Proposal for Software.
Heiles, C. (8/93)
GBT Memo 107
A Suggested Design for the control Facility for the Green Bank Telescope
Maddalena, R.J. (8/93)
GBT Memo 108
The Proposed GBT Correlator
Heiles, C. (9/93)
GBT Memo 109
Long Millimeter-wave Science with the GBT
Wootten, A. (12/93)
GBT Memo 110
Astronomical Pointing Parameters
von Hoerner, S. (11/93)
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Memos 111 thru 117 1994

GBT Memo 111
Laser Ranging System ZY Software
Creager, R. (1/94)
GBT Memo 112
Refraction, Weather Station Components, and Other Details for Pointing the GBT
Maddalena, R. (2/94)
GBT Memo 113
GBT Phases
Hall, Robert D. (6/94)
GBT Memo 114
GBT Actuator/retroreflector/panel Spreadsheet
Parker, D. (9/94)
GBT Memo 115
Gain Reduction due to Gravity-Induced Deflections
Srikanth,S. (9/94)
GBT Memo 116
Pellissier Model H5 Portable Hydrostatic Level
Pellissier (5/93)
GBT Memo 117
Benchmarks for Accurate Leveling
Pellissier (5/93)


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Memos 118 thru 142 1995

GBT Memo 118
Actuator Sort Step Life Tests
Lacasse,R. (1/95)
GBT Memo 119
GBT Surface Accuracy
Norrod, R. (1/95)
GBT Memo 120
Requirements on use of the GBT active surface
Lockman, F.J. (1/95)
GBT Memo 121
Addendum to GBT Memo No. 115
Srikanth, S. (2,95)
GBT Memo 122
A Revised Description of the GBT Pointing System
Hogg, D. & Fisher, R. (2,95)
GBT Memo 123
A Networked Frame Grabber
Creager, R. (2/95)
GBT Memo 124
The GBT Tipping Structure Model in C
Wells, D. and King, Lee (3/95)
GBT Memo 125
Evaluating GBT Performance during the Commissioning Phase
Fisher, J.R. and Maddalena,R.J. and McKinnon,M.M. (4/95)
GBT Memo 126
The Statistics of Wind Speed near the GBT
McKinnon, M (4/95)
GBT Memo 127
GBT Dynamic Pointing Meeting
Payne,J. (4,95)
GBT Memo 128
Solar Diffusion of Painted Reflectors
Norrod,R. (4,95)
GBT Memo 129
Modeling and Analysis of the GBT Control System
Gawronski,W. and Parvin,B. (4,95)
GBT Memo 130
GBT Finite Element Analysis Macros in Quattro Pro
Buzanoski, G (5/95)
GBT Memo 131
GBT Best-Fitting Paraboloid [BFP] in C
Wells, D., King, L.. (7,95)
GBT Memo 132
Fast Pointing Change and Small Oscillation
von Hoerner, S. (7,95)
GBT Memo 133
Active Damping for the GBT ARM
Payne, J.M., Emerson, D.T. (7,95)
GBT Memo 134
Simulations of the GBT Antenna with the Command Preprocessor
Gawronski, W., Parvin, B.. (7,95)
GBT Memo 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)
GBT Memo 136
Simulations of the GBT Antenna with the LQG Controller
Gawronski,W. and Parvin,B. (8,95)
GBT Memo 137
The Case for Equipping the GBT with 26.5 - 40 GHz Receivers
Frayer, D., Vanden Bout, P. (8,95)
GBT Memo 138
Summary of Life Tests of GBT Panel Actuators
Lacasse,R. (9,95)
GBT Memo 139
Low Tracking Rates in Azimuth
McKinnon, M (9,95)
GBT Memo 140
Optical Electronic Distance Measuring Apparaturs with Movable Mirror - U.S. Patent
Payne, J.M., Parker, D., Bradley, R. (10,95)
GBT Memo 141
Design Considerations for a GBT Q-Band Array Receiver
Wollack, E., Srikanth, S. (11,95)
GBT Memo 142
The Effects of Random Surface and Pointing Deviations on GBT Performance
Wollack, E. (11,95)
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Memos 143 thru 154 1996

GBT Memo 143
On Possible Locations for a GBT Quadrant Detector
Norrod, R.. (1,96)
GBT Memo 144
Monitoring the GBT Arm Movement
Payne, J. (1,96)
GBT Memo 145
The Green Bank Telescope Panel Setting Tool Instrumentation
Parker, D. H. (2,96)
GBT Memo 146
Optical Ray Trace Computations for the Laser Ranging System Detector Lens
Goldman, M. (2,96)
GBT Memo 147
Laser Rangefinder Locations and Orientations
Schwab, F. (3/96)
GBT Memo 148
Ball Retroreflector Optics
Goldman, M. (3,96)
GBT Memo 149
First Tests of a Quadrant Detector
Payne, J.M. & Schiebel, D. (3,96)
GBT Memo 150
GBT Paint Thickness-GBT Surface Coating Specification Supplementary Information
Payne, J.M., Shillue, B., Wollack, E. (4,96)
GBT Memo 151
Fiber Optic Gain Stability
White, S. D. (6,96)
GBT Memo 152
Preventing Oscillations of Large Radio Telescopes after a Fast Stop
von Hoerner, S. (6,96)
GBT Memo 153
Target Position Corrections Due to Non-Perpendicularity of Laser Scan Axes
Goldman, M. (8,96)
GBT Memo 154
GBT Dish Laser Range Measurement Corrections
Goldman, M. (8,96)
GBT Memo 155
A Summary of the GBT Optics Design
Norrod, R. & Srikanth, S. (9,96)
GBT Memo 156
GBT Laser Rangefinder Intensity and Safety (9/96)
Goldman, M. (9,96)
GBT Memo 157
A Status Report on The GBT Laser Demonstration at the 140-Foot Telescope
Parker, D.H. (9,96)
GBT Memo 158
Slant Range Tests of Quadrant Detector (9/96)
Payne, J.M. & Schiebel, D. (9,96)
GBT Memo 159
Dynamic Tests on the GBT (9/96)
Payne, J.M. & Schiebel, D. & Schwab, F.R. (9,96)
GBT Memo 160
Laser Rangefinder Deflection Measurements of GBT Derrick (11/96)
Petticrew, A. L. (11,96)
GBT Memo 161
Approaches to the GBT Vibration Problem (12/96)
Wells, D. (12,96)
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Memos 162 thru 172 1997

GBT Memo 162
Rangefinder Metrology for the Green Bank Telescope (2/97)
Goldman, M.A. & Creager, R.E. & Parker, D.H. & Payne, J.A. (2,97)
GBT Memo 163
GBT Fiber IF System (2/97)
White, S. & Norrod, R. (9,97)
GBT Memo 164
Laser Distance Measurements to the Elevation Bearing Support Weldments (3/97)
Goldman, M.A. (3,97)
GBT Memo 165
GBT Coordinates and Coordinate Transformations (4/97)
Goldman, M.A. (4,97)
GBT Memo 166
The Green Bank Telescope Laser Metrology R&D Project (4/97)
Parker, D.H. (4,97)
GBT Memo 167
Initial Passive Vibration Measurement on the GBT (6/97)
Schwab, F. & Payne, J.M. & Schiebel, D. (6,97)
GBT Memo 168
Measurements of 201 Manufactured GBT Surface Retroreflector Assemblies (9/97)
Goldman, M.A. (9,97)
GBT Memo 169
Status of Pointing Tests on the 140-Ft. using the GBT Metrology System (10/97)
Cotton, W.D. (10,97)
GBT Memo 170
GBT Spectrometer Sampler Tests (10/97)
Escoffier, R. (10,97)
GBT Memo 171
Pad for Loading Front Ends and GBT Access Ramp (11/97)
Weadon, T., Lawrence, G., Crews, F. (11,97)
GBT Memo 172
Policy on Issues Affecting the Development of Graphical User Interfaces for the GBT (11/97)
McKinnon, M. (11,97)
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Memos 173 thru 182 1998

GBT Memo 173
The Condon Series Pointing Model in C (1/98)
Wells, D.(1,98)
GBT Memo 174
Graphical User Interfaces (GUIs) for the Green Bank Telescope (1/98)
Hunt, G. (1,98)
GBT Memo 175
GBT Subreflector Actuator Functions in C (1/98)
Wells, D. (1,98)
GBT Memo 176
GBT Subreflector Motions and Servo Properties (1/98)
Wells, D. (1,98)
GBT Memo 177
Visualizing the Geometry of the GBT Metrology Systems (2/98)
Wells, D. (2,98)
GBT Memo 178
The "ray" ray tracing package (3/98)
Wells, D. (3,98)
GBT Memo 179
Imaging Propertiesof theGBT Subreflector in C (3/98)
Wells, D. (3,98)
GBT Memo 180
The Control Software Architecture for the Green Bank Telescope (4/98)
Clark, M. (4,98)
GBT Memo 181
GBT telescope and instrumentation control system hardware architecture: computers, networks, interfaces, and timing (4/98)
Ford, J. (4,98)
GBT Memo 182
Reliable Multicast Protocols and their Application on the Green Bank Telescope (4/98)
Brandt, J. (4,98)
GBT Memo 183
GBT Gregorian Focus Tracking in C (6/98)
Wells, D. (6,98)
GBT Memo 184
The Green Bank Telescope Active Surface System (6/98)
Lacasse, R. (6,98)
GBT Memo 185
140' + GBT Spectrometer tests: First Light
Langston, G. & Norrod, R. (6,98)
GBT Memo 186
Measurement Program for the Green Bank Telescope (7/98)
Hall, R. D., et al (7,98)
GBT Memo 187
A New Short-Backfire Antenna as Prime Focus Feed for the GBT (9/98)
Srikanth, S., Behrens, G. (9,98)
GBT Memo 188
Dynamical Rangefinder Measurements (9/98)
Goldman, M. (9,98)
GBT Memo 189
The Green Bank Telescope Laser Metrology System ZY Version 2.5 Software Interface Reference Manual (9/98)
Creager, R. (9,98)
GBT Memo 190
GBT Spectrometer Temperature Tests
Lacasse, R. (8,98)
GBT Memo 191
VOID (Duplicate of GBT Memo 186
Hall, R. D., et al (7,98)
GBT Memo 192
The Green Bank Telescope: An Overview (12/98)
Lockman, F. J. (12,98)
GBT Memo 193
GBT Receiver Development (12/98)
Condon, J. (12,98)
GBT Memo 194
Scientific Requirements for GBT Metrology (12/98)
Condon, J. (12,98)

Memos 195 thru 202 1999

GBT Memo 195
GBT Pointing Coefficient Estimates for Phase I, from Metrology Measurements (3/99)
Goldman, M. A. et al (3,99)
GBT Memo 196
Fitting Models to Simulated Rangefinder Data (4/99)
Wells, D. (4,99)
GBT Memo 197
A Protocol for Pointing Synchronization Messages (4/99)
Brandt, J. (4,99)
GBT Memo 198
Field-of-View of the GBT at 46 GHz (5/99)
Norrod, R., Srikanth, S. (5,99)
GBT Memo 199
Field-of-View of the GBT at 90 GHz (5/99)
Norrod, R., Srikanth, S. (5,99)
GBT Memo 200
GBT Panel Actuator Errors and Calibration (5/99)
Lacasse, R. J. (5,99)
GBT Memo 201
Analysis of GBT Accelerometer Data from the May 19 Elevation Rotation (8/99)
Schwab, Frederic R. (8,99)
GBT Memo 202
2-D phase closure with GBT laser rangefinders (12/99)
Wells, D., et. al (12,99)

Memos 203 thru 208 2000

GBT Memo 203
Jerk-Minimizing Trajectory Generator in C (01/00)
Wells, D. (1,00)
GBT Memo 204
GBT Feed-arm Analysis using Laser Ranging and Accelerometers (02/00)
Balser, D. S. (2,00)
GBT Memo 205
Enhancements to the Pellissier H5 Hydrostatic Level (08/00)
Parker, D., et. al (8,00)
GBT Memo 206
Instrument for Setting Radio Telescope Surfaces (08/00)
Parker, D., et. al (8,00)
GBT Memo 207
Analysis of Cardinal Point Survey Data (10/00)
Wells, D. (10,00)
GBT Memo 208
Requirements for Accurate Galactic HI Observations with the GBT (10/00)
Lockman, F. J. (10,00)

Memos 209 thru 2001

GBT Memo 209
Geometry and Conventions for Subreflector Metrology (1/01)
Goldman, M. A. (1,01)
GBT Memo 210
GBT Feed/Receiver Room Flange Center Locations (1/01)
Goldman, M. A. (1,01)
GBT Memo 211
Calibration of the GBT Triplet Retroreflector Units (1/01)
Goldman, M. A. (1,01)
GBT Memo 212
Rangefinder Target Visibility Codes (1/01)
Goldman, M. A. (1,01)
GBT Memo 213
Phase Center Locations for GBT Gregorian Feeds (1/01)
Goldman, M. A. (1,01)
GBT Memo 214
Range Scan Program - Static Check Scan, Main Reflector Surface (1/01)
Goldman, M. A. (1,01)
GBT Memo 215
Range Scan Program - Proposed Scan Scheduler, Conventions, Missions (1/01)
Goldman, M. A. (1,01)
GBT Memo 216
Range Scan Program - Triplet Retroreflector Use (1/01)
Goldman, M. A. (1,01)
GBT Memo 217
Range Scan Program - Rangefinder Aiming (1/01)
Goldman, M. A. (1,01)
GBT Memo 218
Comments on COMSAT's Alignment Survey of the Subreflector Structure, as Erected onto the GBT Telescope (1/01)
Goldman, M. A. (1,01)
GBT Memo 219
GBT Spectrometer Tests at L-Band (1/01)
Langston, G., Lacasse, R. (1,01)
GBT Memo 220
Demonstration of the Mechanism Driving the GBT Track Movement (7/01)
Parker, D. (7,01)
GBT Memo 221
Using the Portable Fast Sampler
Margot, Jean-Luc (11,00)
GBT Memo 222
GBT Rolling Weight Measurements, Methods, Results, Estimation of Uncertainty, and Auxiliary Measurements
Parker, D. et al (10,03)
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