Orbiting VLBI Earth Station (OVLBI-ES) Memos

Memo Submission

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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

Modified on Monday, 21-May-2018 16:49:34 EDT by Library Staff