Sensitivity Upgrade

THIS PAGE IS OBSOLETE, THE MEMOS ARE NOW ARCHIVED AT THE NRAO LIBRARY.

Memo	Title	Author	Date	Size
43	A Total Power Digitizer for the VLBA RDBE	Keith Morris	2014 Sep 15	463k
42	Description of the VDIF format used by the VLBA, VLA and GBT including the VDIF Extended Data Version 3 definition	Walter Brisken, Matt Luce, & Paula Metzner	2013 Nov 13	91k
41	X-cube Soft Switch Command Set	Walter Brisken	2013 July 26	90k
40	Investigation of Alternative Disk Drives for Mark5C Modules	Walter Brisken, Frank Schinzel & Bob McGoldrick	2012 May 9	958k
39	Dual RDBE IF and Channel Assignments	Walter Brisken, Matthias Bark	2012 Apr 12	85k
38	Mark5C Voltage and Temperature Measurements	Walter Brisken, Bob McGoldrick, Doug Gerrard, Steve Durand	2011 Jul 13	378K
37	Design and Measurement of VLBA C-Band Feed Horn	S. Srikanth	2011 Jun 22	76k
36	ESSR Acceptance Plan	W.Brisken	2011 Jun 29	67K
35	Test for DBE Frequency Synthesizer Board	G. Peck	2011 Mar 10	77k
34	System Temperature Determination with DiFX	W. Brisken	2011 Jan 18	204k
33	4-8 GHz C-Band Upgrade: Preliminary Design Review for LO/IF and Monitor & Control	V. Dhawan	2011 Jan 11	73k
32	DiFX Pulsar Guide	W. Brisken, A. Deller	2010 Dec 5	93k
31	VLBA Station Timing	R.C. Walker	2010 Dec 2	59k
30	Enhanced Mark5C Control Specification	W. Brisken, M. Bark, H. Ben Frej, C. Walker	2010 Nov 4	65k
29	The VLBA's Transition to Conduant's SDK9	W. Brisken	2010 July 21	65k
28	Some Thoughts on Gain Control in the DBE Era	W. Brisken	2010 April 13	123k
27	Monitor Data for the VLBA Sensitivity Upgrade	G. Hunt	2010 April 14	113k
26	Test Plan for the VLBA-DiFX Correlator and Other VLBA Sensitivity Upgrade Equipment	J. D. Romney, W. F. Brisken, A. T. Deller, S. J. Durand, R. C. Walker	2009 February 26	46k
25	VLBA-DIFX Operations Plan	W. Brisken	2009 February 18	213k
24	Mark 5C Hardware Test and Acceptance Plan Memo	C. Ruszczyk	2008 October 22	103k
23	A Guide to Software Correlation Using NRAO-DiFX Version 1.1	W. Brisken	2008 September 3	364k
22	The Evolution of Hard Drive Prices Over 2000 Days	W. Brisken, J. Romney	2008 July 16	516k
21	Final Report for the VLBA 22 GHZ Amplifier Upgrade Project	C. Walker, S. Durand, C. Kutz II, B. Hayward	2008 May 22	375k
20	Difx Operator Interface (DOI) Specification	W. Brisken	2008 April 18	117k
19	Mark 5C-, A Proposed Mark 5C Emulator	NRAO, MIT Haystack Obs.	2008 January 9	109k
18	Mark5C Software Interface Specification	NRAO, MIT Haystack Obs.	2008 January 7	114k
17	Benchmarking DiFX on the Mark5A Cluster and Justification for an Upgrade	W. Brisken	2007 November 26	112k
16	The Cost of Software Correlation	W. Brisken, A. Deller	2007 October 9	131k
15	Proposal to increase the sensitivity of the VLBA	C.Walker, J. Romney, W. Brisken, S. Durand	2007 April 16	738k
14	Impact of DBE Crossover Frequencies	C. Walker	2007 April 14	143k
13	Mark 5C Data-Frame Specification	Haystack/NRAO	2008 February 19	107k
12	Mark 5C Specification	Haystack/NRAO	2008 February 19	120k
11	Options for a VLBA 4-Gbps Upgrade	J. Romney	2006 November 16	32k
10	Proposal to Upgrade the 22 GHz Receivers on the VLBA Antennas	C. Walker, S. Durand, C. Kutz II, R. Hayward	2007 May 2	311k
4	Mapping the Future of VLBI Science in the U.S.	VLBI Future Committee	2004, August 16	4463k
3	VLBA Upgrade: Scientific, Observational, and Technical Requirements	J. Romney	2008 September 5 (re-issued)	44k
2	VLBA Upgrade Study	J. Romney	2008 September 5 (re-issued)	164k
1	VLBA Sensitivity Upgrade Program and Memo Series	J. Romney	2007 April 1	22k