September 11 & 12

DiFX Users Meeting (In-person/Virtual Hybrid)

DiFX Users Meeting Day 1 (Monday)

Session 1: Welcome and Introductions
08:40 - 09:00 Arrival, registration, etc.
09:00 - 09:10 Welcome
09:10 - 09:30 Introductions
09:30 - 10:00 Intro to DiFX [Deller]
10:00 - 10:15 DiFX @ NRAO [Brisken]
10:15 - 10:30 DiFX @ ATNF [Reynolds]

Morning tea/coffee
10:30 - 11:00

Session 2: Site activities
11:00 - 11:15 Updates of the Korean VLBI Network and DiFX Correlation [Kim]
11:15 - 11:30 Tsukuba Correlator [Ueshiba - virtual]
11:30 - 11:45 DiFX @ MPIfR [Rottmann]
11:45 - 12:00 Two Approaches to High Throughput Correlations for ngEHT and wSMA [Wei Yu]
12:00 - 12:15 VLBI Capabilities At The NASA's Deep Space Network [Mauger]
12:15 - 12:25 Any other site users can give a 1 slide overview of their use cases

LOC Announcements
12:25 - 12:30

Lunch
12:30 - 13:30

Session 3: Geodesy
13:30 - 14:00 VGOS correlation/simulation in Vienna [Gruber]
14:00 - 14:30 HOPS4 Development [Barrett]
14:30 - 15:00 Correlating VLBI data from the High Rate Tracking Receiver (HRTR) [Skeens]
15:00 - 15:30 Discussion on DiFX needs for geodesy

Afternoon tea/coffee & workshop photo!
15:30 - 16:00

Session 4: DiFX for connected element interferometry
16:00 - 16:30 DiFX for VLITE [Peters - virtual]
16:30 - 16:50 DiFX for ASKAP FRB localization [Deller]
16:50 - 17:10 DiFX for ngVLA [Yeste Ojeda - virtual]
17:10 - 17:30 Discussion on DiFX wishes for connected element interferometry

No-Host Dinner (attendees are responsible for the cost of their meal)
19:00 - 20:30 Bodega Burger

DiFX Users Meeting Day 2 (Tuesday)

Session 1: DiFX upgrades
09:00 - 09:20 DiFX for transients [Liu]
09:20 - 09:35 GPU-DiFX [Deller]
09:35 - 09:55 RADIOBLOCKS @JIVE [Kettenis - virtual]
09:55 - 10:10 Discussion: Deprecating Mark 5 in future versions
10:10 - 10:30 Discussion: User wish list for DiFX future upgrades

Morning tea/coffee
10:30 -11:00

Session 2: Benchmarks, testing, and versions
11:00 - 11:20 Discussion: Moving from DiFX-2.8.1 to 2.8.2
11:20 - 11:40 Benchmarking DiFX [Dutka]
11:40 - 12:00 Simulation VDIF data with VDIFSim [Brisken]
12:00 - 12:15 Running DiFX under SLURM - be good to the climate (and your budget) [Rottmann]
12:15 - 12:30 Discussion: User wish list for benchmarks and testing

Lunch
12:30 - 13:30

Session 3: DSOC Tours
13:30 - 14:30 Correlator and lab tours (two groups)
14:30 - 15:30 DiFX demo (time permitting)

Afternoon tea/coffee
15:30 - 16:00

Session 4: Code hosting and continuous integration
16:00 - 16:30 The status of the SVN to git migration [Guo - virtual]
16:30 - 16:45 Possibilities for revitalizing continuous integration [Deller]
16:45 - 17:30 Discussion: Future code hosting plans

September 13-15

DiFX Developers Workshop (In-person)

DiFX Developers Workshop Day 1 (Wednesday)

Topics to cover:

• Doc-a-thon session
• Versions & long-term plans
• To-do list

12:00 - 13:00 Wednesday Pizza Lunch informal talks

• Wael Farah, "Refurbishment of the Allen Telescope Array"
• Adam Deller, "Putting Fast Radio Bursts under the microscope with ASKAP"

DiFX Developers Workshop Day 2 (Thursday)

Topics to cover

• Code hosting

DiFX Developers Workshop Day 3 (Friday)

VLBA Pie Town Tour

Workshop wrap-up