| Memo Number |
Title |
Author(s) |
Date |
| 1 |
OVLBI Earth Station Memo Series |
L. R. D'Addario |
05/27/90 |
| 2 |
Radioastron Communication Link Parameters |
L. R. D'Addario |
05/27/90 |
| 3 |
OVLBI Timekeeping with the VLBA Formatter |
L. R. D'Addario |
08/01/90 |
| 4 |
Requirements for Feeds and Optics on the 45ft Antenna in Green Bank |
L. R. D'Addario |
09/07/90 |
| 5 |
A Possible Optics Scheme for the 45-Foot Antenna in Green Bank |
S. Srikanth |
11/27/90 |
| 6 |
Orbit Determination Requirements for VSOP and Radioastron |
R. Linfield |
10/19/90 |
| 7 |
Several Potential Error Sources for Round Trip Doppler Measurements in Space VLBI |
R. Linfield |
08/31/90 |
| 8 |
Software Requirements for the Green Bank OVLBI Earth Station |
L. R. D'Addario |
01/11/91 |
| 9 |
The Need for Doppler Compensation in the Phase Uplink for VSOP and Radioastron |
R. Linfield, J. Springett |
01/10/91 |
| 10 |
Recovery from Communication Dropouts |
L. R. D'Addario |
04/09/91 |
| 11 |
Two-Way Timing Measurement with Uplink Compensation |
L. R. D'Addario |
04/24/91 |
| 12 |
Green Bank Earth Station: System Design Principles |
L. R. D'Addario |
06/04/91 |
| 13 |
Earth Station Control Computer - Operating System Selection |
D. Varney, L. R. D'Addario |
06/11/91 |
| 14 |
Performance Measurements of the Green Bank 45-Foot (13.7-M) Antenna |
L. R. D'Addario |
06/13/91 |
| 15 |
Orbit Determination Requirements for VSOP and Radioastron |
R. Linfield |
06/06/91 |
| 16 |
Data Loss as a Function of Orbit Prediction Accuracy for VSOP |
R. Linfield |
07/19/91 |
| 17 |
Low-Noise Amplifier Gain Compression and Intermodulation Distortion Measurements |
B. Shillue |
10/08/91 |
| 18 |
A Frequency-Selective Surface for the OVLBI Earth Station: Initial Design and Test Results |
B. Shillue |
11/20/91 |
| 19 |
Proposed Earth Station To Correlator Interface for Timing Corrections |
L. R. D'Addario |
07/10/91 |
| 20 |
Two-Way Timing Residuals: Data Characteristics and Methods of Handling |
L. R. D'Addario |
12/06/91 |
| 21 |
Radioastron Downlink Decoder Specification for USSR Earth Stations (revised December, 1991) |
A. Novikov |
04/91 |
| 22 |
Notes on Phase Downlink Signal Processing |
L. R. D'Addario |
12/12/91 |
| 23 |
Gravitational Effects on OVLBI Timing Link |
R. Hudson, D. A. Czenkusch |
12/30/91 |
| 24 |
IBM PC VLBA Recording Terminal Control Software Working Under MS-DOS |
A. Novikov, V. Promislov |
02/92 |
| 25 |
Real-Time Processing of Downlink Phase Measurements |
L. R. D'Addario |
03/11/92 |
| 26 |
Measurement Results of Sandwich FSS |
B. Shillue |
04/24/92 |
| 27 |
Feed and Optics Design for the Green Bank OVLBI Earth Station |
B. Shillue |
04/27/92 |
| 28 |
Decision To Change Operating System of the Control Computer |
L. R. D'Addario, D. Varney |
05/14/92 |
| 29 |
Comparison of RF Methods for Testing of a Space Radio-Telescope Antenna on the Ground |
V. Altunin, Y. Belov, K. van 't Klooster, O. Litvinov |
05/92 |
| 30 |
Polarizations of VSOP and Radioastron Radio Links |
L. R. D'Addario |
07/25/92 |
| 31 |
Pointing Accuracy of the 45-Foot Antennna |
T. Murphy |
07/24/92 |
| 32 |
Preliminary Ideas on a Master Reference Signal Distribution System for Green Bank |
L. R. D'Addario |
08/29/92 |
| 33 |
Software Code Control Procedures for Green Bank OVLBI Earth Station |
L. R. D'Addario |
08/31/92 |
| 34 |
Recorder Acceptance Tests Report |
R. Hudson |
08/30/92 |
| 35 |
Decoder Preliminary Design |
R. Hudson |
07/20/92 |
| 36 |
Synchronization of Slow and Fast Reference Signals After Long Transmission |
L. R. D'Addario |
09/14/92 |
| 37 |
Notes on Internal Software Design Review Meeting of 18 December 1992 |
L. R. D'Addario |
01/06/93 |
| 38 |
Post-Pass Processing of Two-Way Timing Measurements |
L. R. D'Addario |
02/04/93 |
| 39 |
Notes on the Hardware Design Review of March 1993 |
L. R. D'Addario |
04/12/93 |
| 40 |
Tests of Digital Attenuators |
B. Shillue |
05/10/93 |
| 41 |
Measurement Results: Corrugated Horns and FSS |
B. Shillue |
05/18/93 |
| 42 |
Software Design Review of May 1993 and Documentation Status |
L. R. D'Addario |
06/02/93 |
| 43 |
Software Standards for the Green Bank OVLBI Earth Station Project |
L. R. D'Addario |
07/26/93 |
| 44 |
Global Schedule File Design Document |
G. Langston, L. R. D'Addario |
09/13/93 |
| 45 |
Astronomical Surveys with the Green Bank Earth Station |
G. Langston |
05/20/94 |
| 46 |
Specification for a Program To Generate Simulation of Downlink Headers |
L. R. D'Addario |
06/01/94 |
| 47 |
System Phase Noise Requirements |
L. R. D'Addario |
07/12/94 |
| 48 |
Reference Transmission System: Design and Test Results |
L. R. D'Addario |
07/02/94 |
| 49 |
The OVLBI Decoder Test Fixture |
R. Escoffier |
08/29/94 |
| 50 |
VSOP Compatibility Tests at Green Bank, September 1994 |
L. R. D'Addario |
10/09/94 |
| 51 |
Hardware Documentation Standards |
L. R. D'Addario |
12/07/94 |
| 52 |
Plan for Modifications To 45' Access Hatch |
G. Langston |
12/12/94 |
| 53 |
Modifications To 45' Access Hatch |
G. Langston |
12/13/94 |
| 54 |
GBES Antenna Efficiency Measurements of April 1994 |
G. Langston |
01/24/95 |
| 55 |
Correlating Orbiting Radiotelescope Data with Time Corrections |
L. R. D'Addario |
03/22/95 |
| 56 |
Reduction of Phase Residuals To Time Units |
L. R. D'Addario |
04/03/95 |
| 57 |
GBES Antenna Pointing Offsets for 1994 |
G. Langston |
01/30/95 |
| 58 |
Green Bank Earth Station Observations of Surfsat |
A. Minter, L. D'Addrio, G. Langston |
11/28/95 |
| 59 |
Pulse Calibration for Orbiting VLBI |
L. R. D'Addario |
03/11/96 |
| 60 |
Tone Extraction Using Fanned-Out Data |
L. R. D'Addario |
03/11/96 |
| 61 |
VSOP Compatibility Tests at Green Bank, March 1996 |
L. R. D'Addario |
04/04/96 |
| 62 |
Ionospheric and Tropospheric Corrections for the DeltaT File |
A. Minter |
05/14/96 |
| 63 |
Estimating the Tropospheric Correction for ΔΤ Data from Weather Station Measurements |
A. Minter |
05/25/96 |
| 64 |
Post-Pass Processing of Two-Way Timing Measurements |
L. R. D'Addario |
07/08/96 |
| 65 |
Effects of Earth Station Clock Error on Correlator Time Corrections |
L. R. D'Addario |
08/10/96 |
| 66 |
Conversion of Two-Way Timing Data To Doppler Data |
A. Minter |
11/26/96 |
| 67 |
Compatibility Tests between JPL Data Generator and Usuda Tracking Station |
L. R. D'Addario |
12/23/96 |
| 68 |
Comparison of Decoder Designs -- VSOP Mode |
L. R. D'Addario |
01/12/97 |
| 69 |
Doppler File Time Tag Offset |
L. R. D'Addario |
02/04/97 |
| 70 |
NRAO Orbiting VLBI Earth Station Coordinates |
G. Langston |
03/17/97 |
| 71 |
Details of Post-Pass Processing of the Time Correction Data |
L. R. D'Addario |
04/24/97 |
| 72 |
GBES Tracking Station Summary Report |
A. Minter |
04/01/98 |
| 73 |
Radioastron Link Budgets for High Orbit |
L. R. D'Addario |
07/02/98 |
| 74 |
Usuda Time Correction File Tests: Phase Detection Delays |
G. Langston |
02/24/99 |
| 75 |
Usuda - HALCA Range Prediction: The orbitUsuda program |
G. Langston |
03/31/99 |
| 76 |
Usuda Time Corrections File: The dt Program |
G. Langston |
03/31/99 |
| 77 |
Radioastron Compatibility Tests At Green Bank, May 1999 |
A. Minter, D. Pedtke, A. Wester |
11/09/99 |
| 78 |
Installation of the VSOP Tape Recorder in Green Bank |
A. Minter |
12/07/99 |
| 79 |
Remote MCB Operation of the VLBA Tape Drives |
A. Minter |
12/09/99 |
| 80 |
S/X Feed Horn Properties at 2025 To 2120 MHz and S Band Feed System Tuning Procedures |
G. Behrens, G. Anderson, G. Watts, G. Langston |
11/15/00 |
| 81 |
GBES Antenna Pointing Offsets for 2001 |
G. Langston |
10/30/01 |
