SA1

Production e-VLBI Service

White Paper:

Towards e-EVN: e-VLBI and the use of lightpaths, A. Szomoru (JIVE), B. Peeters, N. den Otter, E. Bos (SURFNet)

e-VLBI operator manual:

e-VLBI Tests

18 May 2006

21 August 2006
26 October 2006 (detailed report)
14 December 2006
29 January 2007 (with 2 February follow-on run)
20 February 2007
28 March 2007

Plots, graphs and images of e-VLBI runs

Calls for e-VLBI Proposals

Calls are for reference only and are non-authoritative. See the EVN Web site for official calls and other information.

Related Materials

Report Describing Research Network Support for eVLBI Tracking of the SMART-1 Spacecraft , J Chevers (DANTE)

Completed deliverables:

WP1 (Operational Improvements for e-VLBI)

DSA1.10: Real-time data processor control software
DSA1.2: Job preparation utilities
- CCC job initialization speedup
DSA1.27: Space craft tracking correlator mode
- Space craft tracking correlator mode
DSA1.31: Removing/adding stations from the correlations process on the fly
- Reconnecting stations on the fly
DSA1.23: Use of WSRT synthesis data for e-VLBI calibration
- Calibration of e-VLBI results using Westerbork synthesis data
DSA1.24: Mark5A code modifications
- OS and application upgrade, from Debian Sarge to Debian Etch with SDK8.1
DSA1.25: Mark5B code modifications
- tarball of locally developed Mark5 control code
DSA1.28: On-the-fly fringe fitting
- On-the-fly clock searching
DSA1.30: Automated correlator diagnostics
- Automatic diagonal weight detection
DSA1.34: Mixed-mode operations
- Tarball of locally developed Mark5 control code

WP2 (Data Transmission Developments)

DSA1.1: Central Data Link Control
- Control Program for e-VLBI Connection
- Correlator Control Code modifications
DSA1.5: Network Protocol decision
- A Simulation model for e-VLBI traffic on network links in the Netherlands , J. Sansa, A. Szomoru, J.M. van der Hulst
- Comparing Simulation and Network Monitoring Results, J. Sansa
- On Network Monitoring of end-to-end paths used for e-VLBI , J. Sansa, A. Szomoru, J.M. van der Hulst
- UDP-like TCP M. Kettenis
DSA1.18: Network monitoring tools
- Live network throughput graphs and documentation
DSA1.26: Investigating a 1024M sub-array
- Full steam ahead - 1024Mb/s data rate for the e-EVN
DSA1.20: Improved network applications
- Tarball of locally developed Mark5 control code
DSA1.35: 1024 Mbps e-VLBI and beyond
- Throughput plot of e-VLBI run on October 19 2008, with the Effelsberg, Jodrell Bank and Westerbork radio telescopes transmitting data at a full 1024 Mbps
- e-VLBI beyond the 1Gb/s speedbump, P. Boven, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
- Metsahovi four-Gbps data recorder for VLBI and eVLBI , Y. Ritakari, J. Wagner, G. Molera, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
- iBob data acquisition and network streaming , J. Wagner et al., 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China

WP3 (Target of Opportunity Support)

DSA1.1.3: Fast/adaptive scheduling tools
DSA1.11: Real-time pipeline
- A web-based front end for post-correlation data processing

DSA1.12: visibility monitor
- Integrating Fringe Display
DSA1.6: Selective data processor controls
- Vex Editor
DSA1.3: Fast/adaptive scheduling tools
- Dynamic scheduling of the e-EVN D. Small
DSA1.29: Real-time download and extraction of station information
- Monitoring the EVN via Field System logfiles D. Small

WP4 (Real-time Monitoring Functions)

DSA1.8/1.21: monitoring processes/monitoring user interfaces
- Data Status Monitoring Tool

WP5 (Data Processor Upgrades)

DSA1.17: Flexible local GE network
- JIVE Network design
DSA1.22: Mark5 hardware upgrade
- Upgrading the Mark5 motherboard
DSA1.16: VSI support software
- Gzipped tarfile of modified SU control code

Presentations:

e-VLBI Status @ JIVE, A. Szomoru, TOG Meeting, 24 March 2006, Dwingeloo, The Netherlands
VLBI in Transition, A. Szomoru, SPIE Conference “Ground-based and Airborne Telescopes”, 24-31 May 2006, Orlando, USA
New Use of an Old Correlator, A. Szomoru, Next Generation Correlators for Radio Astronomy and Geodesy, 27-29 June 2006, Groningen, The Netherlands
Status of e-VLBI @ JIVE, A. Szomoru, Bits & Bytes Meeting, 31 August 2006, Jodrell Bank Observatory, Jodrell Bank, United Kingdom
e-VLBI Developments at JIVE, A. Szomoru, 5th International e-VLBI Workshop, 17-20 September 2006, MIT Haystack Observatory, USA
Recent e-EVN Developments, A. Szomoru, 8th EVN Symposium, 26-29 September 2006, Torun, Poland
e-EVN developments in 2006, A. Szomoru, 5th EVN-NREN Meeting, 31 October 2006, Zaandam, the Netherlands
SA1: overview, first results, A. Szomoru, EXPReS Kickoff Meeting, 31 October 2006, Zaandam, the Netherlands
SMART-1: using e-VLBI to track satellites, A. Szomoru, SURFNet Gigaport Seminar, 2 November 2006, Utrecht, the Netherlands
Recent e-EVN Developments, A. Szomoru, Shanghai Observatory, 10 November 2006, Shanghai, China
EVN and e-VLBI, A. Szomoru, China Science and Technology Network (CSTNET), 13 November 2006, Beijing, China
e-EVN: practical considerations, A. Szomoru, e-VLBI Science Advisory Committee Meeting, 28 November 2006, Westerbork, the Netherlands & EVN Board Meeting, 29 November 2006, Dwingeloo, the Netherlands
e-EVN: practical considerations, A. Szomoru, Bits & Bytes Meeting, 7 December 2006, Manchester, United Kingdom & TOG Meeting, 4 December 2006, Noto, Italy
EVN and e-VLBI, A. Szomoru, ESLEA Closing Conference, 26-28 March 2007, Edinburgh, United Kingdom
SA1: Production e-VLBI service, A. Szomoru, EXPReS Annual Review, 17 April 2007, Brussels, Belgium
e-VLBI Using high-speed networks to enable new astronomy, A. Szomoru, TERENA Networking Conference, 21-24 May 2007, Copenhagen, Denmark
SA1: Production e-VLBI service, A. Szomoru, EXPReS Board meeting, 29 May 2007, Metsahovi, Finland
SA1: Technical Progress, A. Szomoru, eVSAG face-to-face meeting, 28 June 2007, Gothenburg, Sweden
EXPReS SA1: at the half-way mark, A. Szomoru, 6th International e-VLBI workshop, 17 September 2007, Bonn, Germany
Update on EXPReS activities in 2007, A. Szomoru, EVN-NREN meeting, 19 September 2007, Bonn, Germany
EXPReS progress, Mark5 and e-VLBI, A. Szomoru, TOG meeting, 12 November 2007, Yebes, Spain
Update on JCCS, B. Eldering, EXPReS Board Meeting, 30 January 2008, Utrecht, The Netherlands
Towards real-time e-VLBI operation: scheduling, monitoring and calibrating, D. Small, EXPReS Board Meeting, 30 January 2008, Utrecht, The Netherlands
SA1: Second Year Overview, A. Szomoru, EXPReS Board Meeting, 30 January 2008, Utrecht, The Netherlands
Radio Astronomy in the era of high-speed networks, A. Szomoru, STOA/TERENA Workshop, 2 April 2008, Brussels, Belgium
e-VLBI Networking Challenges, P. Boven, NORDUnet 2008, 9-11 April 2008, Espoo, Finland
e-EVN: a real-time telescope larger than Europe, H. J. van Langevelde, Terena Networking Conference, 19-22 May 2008, Bruges, Belgium
SA1: Production e-VLBI service, A. Szomoru, EXPReS Annual Review, 30 May 2008, Brussels, Belgium
e-VLBI beyond the 1Gb/s speedbump, P. Boven, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
4 Gigabit Onsala - Jodrell lightpath for e-VLBI - The iNet test unit - Development of real time eVLBI at Jodrell Bank Observatory, R. Hughes-Jones, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
e-EVN science projects (2006-2008), Z. Paragi, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
EXPReS and the e-EVN, A. Szomoru, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
The road to 980Mbps eVLBI, H. Verkouter, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
iBOB data acquisition and network streaming, J. Wagner, 7th International e-VLBI Workshop, 16-17 June 2008, Shanghai, China
e-VLBI: a real-time telescope of intercontinental dimensions, H. J. van Langevelde, 2008 URSI General Assembly, 7-16 August 2008, Chicago, USA
EVN/JIVE technical developments, A. Szomoru, TOG meeting, 22 September 2008, Bologna, Italy
Dynamic scheduling of the e-EVN: a progress report, D. Small, TOG meeting, 22 September 2008, Bologna, Italy
EXPReS and the e-EVN, A. Szomoru, 9th International European VLBI Symposium, 23-26 September 2008, Bologna, Italy
e-VLBI: real-time radio astronomy, A. Szomoru, 8th Annual GLIF Workshop, 1-2 October 2008, Seattle, USA
EXPReS and the e-EVN, A. Szomoru, EVN Science Day, 3 November 2008, Arecibo, Puerto Rico
International Lightpath Experiences, P. Boven, TERENA E2E Workshop, 1-2 December 2008, Amsterdam, The Netherlands
EVN/JIVE Technical Developments, A. Szomoru, TOG meeting, 17 April 2009, Torun, Poland
e-EVN Update, A. Szomoru, EVN Board Meeting, 26 May 2009, Gothenburg, Sweden
e-EVN Progress, 3 years of EXPReS, A. Szomoru, 8th International e-VLBI Workshop, 22-26 June 2009, Madrid, Spain