VLBA Electronics 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 A Microwave Transmission Link in New Mexico for the National Radio Astronomy Observatory K. Bullington 10/31/83
2 Minutes of the VLBA Electronics Group Meeting on November 16, 1983 M. Balister 11/22/83
3 VLBA Frequency Coverage L. R. D'Addario 11/28/83
4 Local Oscillator System Design L. R. D'Addario 12/26/83
5 Maser Reliability in the DSN A. Moffet 01/04/84
6 Cryogenics Reliability M. Balister 01/16/84
7 Design of LO System in VLBA Memo No. 303 D. Thompson 00/00/00
8 Minutes of the VLBA Electronics Group Meeting on January 19, 1984 M. Balister 01/24/84
9 Experience with CTI Model 21 Refrigerators at Hat Creek D. Backer, T. Lum 02/84
10 Minutes of the VLBA Electronics Group Meeting - February 16, 1984 M. Balister 02/22/84
11 VLBA Electronics Meeting, March 15, 1983 A. R. Thompson 03/19/84
12 140-ft K-Band Maser Noise Temperature C. Brockway 03/26/84
13 VLBA Electronics Meeting, April 19, 1984 A. R. Thompson 04/25/84
14 VLBA Electronics Group Meeting, May 17, 1984 A. R. Thompson 05/23/84
15 VLBA Frequency Coverage: Final Specification L. R. D'Addario, R. C. Walker 06/12/84
16 VLBA Electronics Group Meeting, June 14, 1984 A. R. Thompson 06/18/84
17 Meeting on Antenna Building Requirements A. R. Thompson 06/21/84
18 Construction Plan for VLBA Electronics A. R. Thompson, M. Balister 06/84
19 VLBA Electronics Group meetings of August 6 & September 6 A. R. Thompson 09/10/84
20 Conference on Quality Control in Manufacturing and Assembly of Cryogenic Refrigerators H. Brown 09/10/84
21 Rework Being Performed by CTI H. Dill 10/05/84
22 Report on CTI Model 22 Refrigerator Test R. Norrod 10/12/84
23 CTI-Cryogenics Action Plan L. R. Audette 10/09/84
24 VLBA Electronics Division Meeting, October 11, 1984 D. Thompson 10/12/84
25 Meeting on Vertex Room Planning, Oct 24, 1984 D. Thompson 10/24/84
26 Local Oscillator Link for Pie Town Antenna D. L. Narayana 09/84
27 Symptom Notes for the Model 22 H. Dill 10/31/84
28 Power for Receiving Electronics Required at Each VLBA Site. A. R. Thompson 11/14/84
29 VLBA Electronics Meeting, November 8, 1984 D. Thompson 11/19/84
30 I.F. Signal Processing: Preliminary Specifications L. R. D'Addario 11/15/84
31 Model 22 Refrigerators H. Dill 12/05/84
32 Front Ends for 23 and 43 GHz A. R. Thompson 12/04/84
33 See VLB Array Memo No. 413 D. Thompson 12/07/84
34 Report on CTI Model 22 Refrigerator Test R. Norrod 01/11/85
35 VLBA Electronics Meeting, Jan 10, 1985 D. Thompson 01/17/85
36 Phase Calibration Injection A. E. E. Rogers 02/04/85
37 Return of Reworked Model 22 Units H. Dill 02/07/85
38 VLBA Electronics Meeting, Feb 7 1985 D. Thompson 02/11/85
39 Dynamic Range and Interference Thresholds in the Front-End and IF Units A. R. Thompson, E. Schlecht 03/01/85
40 VLBA Electronics Meeting, March 7, 1985 D. Thompson 03/14/85
41 VLBA Electronics Meeting, April 4, 1985 - Discussion of the Front-End Monitor and Control System D. Thompson 04/10/85
42 MLBA Vertex Room Interfacing R. Norrod 04/08/85
43 Front-End Monitor and Control S. Weinreb 04/23/85
44 Meeting on Front-End Interface, April 30, 1985 D. Thompson 05/02/85
45 VLBA Electronics Meeting, May 2, 1985 D. Thompson 05/06/85
46 CTI Model 21/22 Cryogenic Refrigerator Progress Report R. A. Kriss, C. Moore 04/85
46A Cryogenics for VLBA T. Clark 05/15/85
47 VLBA Electronics Meeting, June 13, 1985 D. Thompson 06/14/85
48 VLBA Construction for the Period 1985-6 D. Thompson 06/19/85
49 VLBA Electronics Meeting, July 11, 1985 D. Thompson 07/12/85
50 Thermal Behavior of External Front Ends E. Schlecht 07/19/85
51 VLBA Electronics Meeting, September 5, 1985 D. Thompson 09/06/85
52 Electronics Meeting, October 3, 1985 D. Thompson 10/07/85
53 There are Four VLBA Standard Interface Packaging Problems - 10/02/85
54 Interference from Current Loops A. Moffet 10/04/85
55 Electronics Meeting, November 7, 1985 D. Thompson 11/08/85
56 Front-End Design Changes S. Weinreb 11/25/85
57 VLBA Electronics Meeting, December 5, 1985 D. Thompson 12/09/85
58 VLBA Electronics Meeting, January 9, 1986 D. Thompson 01/13/86
59 Rack and Module Plan for VLBA Electronics D. Thompson 01/22/86
60 Front-End Changes S. Weinreb 02/11/86
61 VLBA Electronics Meeting, Feb. 6, 1986 D. Thompson 02/11/86
62 Notes on Gain Distribution in the VLBA Front End and Converter Systems E. Schlecht 02/14/86
63 VLBA Electronics Meeting, March 6, 1986 D. Thompson 03/11/86
64 Proposed Cables for the VLBA Receiving Station A. R. Thompson 04/03/86
65 VLBA Electronics Meeting, April 3, 1986 A. R. Thompson 04/07/86
66 Names and Type Numbers of VLBA Modules A. R. Thompson, H. R. Dill 04/08/86
67 Power Supply Pins and Keying Scheme for VLBA Module Connectors A. R. Thompson 04/08/86
68 VLBA Electronics Meeting, May 8, 1986 D. Thompson 05/21/86
69 Cable and Connectors for the Monitor-and-Control Bus A. R. Thompson 05/21/86
70 Station Timing System A. R. Thompson 05/30/86
71 VLBA Electronics Meeting, June 5, 1986 D. Thompson 06/06/86
72 Temperature Coefficients of Gain and Phase for Various Microwave Components S. Weinreb, R. Harris 06/86
73 Improvement of VLBA/Voyager FET Bias Card S. Weinreb 06/12/86
74 Breadboard 100 MHz Phase-Shifter for Interferometer Lobe-Rotation J. Greenberg 07/02/86
75 VLBA Electronics Meeting, July 10, 1986 D. Thompson 07/14/86
76 Electronics Documentation A. R. Thompson 07/17/86
77 VLBA Electronics Meeting, August 7, 1986 D. Thompson 08/13/86
78 Electronics Packaging A. R. Thompson 08/22/86
79 VLBA Electronics Meeting, September 4, 1986 D. Thompson 09/05/86
80 VLBA Electronics Meeting, October 2, 1986 D. Thompson 10/06/86
81 VLBA Electronics Group Meeting, November 6, 1986 A. R. Thompson 11/07/86
82 Selection of Coaxial Switches A. R. Thompson 11/24/86
83 VLBA Prototype Electronics Modifications A. R. Thompson 12/02/86
84 VLBA Electronics Meeting, December 4, 1986 A. R. Thompson 12/05/86
85 Testing of the VLBA Electronics at the VLA Site A. R. Thompson, D. S. Bagri, A. E. E. Rogers 12/09/86
86 Design Scheme for Dual-Band Capability at 2 GHz AND 8 GHz Bands S. Srikanth 12/16/86
87 VLBA Electronics Meeting, January 6, 1987 D. Thompson 01/08/87
88 VLBA Electronics Meeting, February 3, 1987 A. R. Thompson 02/04/87
89 CTI Model 22 Test Chronology R. Norrod, R. Simon 02/26/87
90 Recommendations for the Model 22 Refrigerator H. Dill, R. Latasa 03/02/87
91 VLBA Electronics Meeting, March 3, 1987 A. R. Thompson 03/11/87
92 VLBA Electronics Group Meeting/ April 7, 1987 A. R. Thompson 04/07/87
93 VLBA Electronics Group Meeting, Aug 4, 1987 A. R. Thompson 08/06/87
94 Notes from VLBA Electronics Meeting, 1987 September 1 P. B. Sebring, A. R. Thompson 09/01/87
95 VLBA Electronics Division A. R. Thompson 09/16/87
96 The Frequency Conversion System for the 23 GHz Band A. R. Thompson 09/25/87
97 VLBA Electronics Meeting, 1987 October 6 P. Sebring 10/06/87
98 VLBA Electronics Meeting, 1987 November 3 P. B. Sebring 11/03/87
99 Names and Type Numbers of VLBA Racks and Modules A. R. Thompson, H. R. Dill, G. W. Morris 11/06/87
100 VLBA Electronics Meeting, January 12, 1988 P. B. Sebring 01/18/88
101 VLBA Electronics Meeting, February 2, 1988 P. B. Sebring 02/03/88
102 VLBA Electronics Construction for 1988 D. Thompson 02/12/88
103 VLBA Electronics Meeting, March 1, 1988 D. Thompson 03/02/88
104 Modifications To 2-16 GHz Synthesizer Module (L104) L. Beale, R. Heald, A. R. Thompson 03/23/88
105 VLBA Electronics Meeting, April 5, 1988 D. Thompson 04/07/88
106 VLBA Electronics Division Meeting, June 2, 1988 A. R. Thompson 06/03/88
107 VLBI Performance of VLBA Maser at Kitt Peak A. E. E. Rogers 06/06/88
108 VLBA Electronics Division Meeting, July 7 1988 D. Thompson 07/07/88
109 New M/C Bus Reset Signal E. Schlecht 09/19/88
110 VLBA Electronics Division Meeting, November 3, 1988 D. Thompson 11/08/88
111 VLBA Electronics Meeting, January 17, 1989: Electronics Construction in 1989 A. R. Thompson 01/24/89
112 Design Considerations for a 43 GHz Receiver R. D. Norrod 02/22/89
113 Notes on Electronics Meeting 3/2/89 E. Schlecht 03/28/89
114 VLBA Electronics Memorandum L. Beno 05/11/89
115 Module Serial Numbers A. R. Thompson 05/26/89
116 P106 Power Supply Module A. R. Thompson 05/03/90
116A P106 Power Supply Module A. R. Thompson 07/11/90
117 VLBA Electronics Construction Plan for 1990-2. A. R. Thompson 05/17/90
118 Baseband Converter Construction A. R. Thompson 05/31/90
119 Names, Type Numbers, and Serial Numbers of VLBA Racks and Modules A. R. Thompson 06/08/90
120 Design and Fabrication of 43 GHz Feed S. Srikanth 01/11/91
121 Retrofits To VLBA Racks and Modules D. Thompson 11/26/90
122 VLBA Electronics Construction Plan for 1991-2 A. R. Thompson 01/29/91
123 The New Azimuth Cable Wrap Arrangement for VLBA Antennas D. S. Bagri, J. Ruff 1991
124 43 GHz Front-End M. F. Masterman 04/10/91
125 Baseband Converter Image Rejection Improvements L. Beno, B. Willoughby 11/30/91
126 Wind Speed Test at Pietown VLBA Antenna R. Weimer 12/91
127 VLBA Electronics Construction Plan for 1992 A. R. Thompson 01/13/92
128 Snow Gauge Interfaces To VLBA Weather Station R. Weimer 01/92
129 VLBA Sampler Test Card R. Weimer 02/92
130 VLBA Standard Interface Board Retrofit R. Weimer 03/92
131 B Rack Interface R. Weimer 06/92
132 VLBA Barometers R. Weimer 06/92
133 Pulse Cal Injection for 7 mm Band D. S. Bagri 08/14/92
134 Phase Stability of the Reference 500 MHz in the Station Building D. S. Bagri 08/17/92
135 RFI at Saint Croix due To FAA RADAR at L-Band D. S. Bagri 11/11/92
136 Air Conditioning System and Pulsecal Phase Stability D. S. Bagri 03/01/93
137 Using Pulsecal Amplitudes To Determine System Temperature D. S. Bagri 03/05/93
138 Base Band Converter - Bandwidth E. Henderson 03/93
139 VLBA Lightning Damage Reports - 1993 P. Rhodes 09/20/93
140 Monitoring Power Supplies etc. D. S. Bagri 10/05/93
141 Contempo HVAC Updgrade C. Janes 01/98
142 Plan for Corrosion Problems in Electronic Modules at St. Croix T. Cotter, P. Harden 02/11/00
143 VLBA Site Spectrum Analyzer Requirements T. Cotter, R. Armendariz, B. McGoldrick, D. Mertely 04/27/01
144 Location of PT 74 MHz Antenna Eyebolts D. Merteley 07/30/01





      Modified on Wednesday, 16-Aug-2017 17:08:53 EDT by Library Staff