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I-LOFAR Monitor (EMPTY)
git clone https://github.com/canizarl/ILOFAR_Realtime Monitor cd /home/ilofar/Monitor tmux new -s monitor -- enter tmux shell -- ./monitor.sh
Software
Charlie Giese collected his script in a git repository here. git clone https://github.com/Charlie-Giese/BL_scripts The rawspec channelisation software can be found here. git clone https://github.com/UCBerkeleySETI/rawspec cd rawspec make sudo make instal...
Checking Antenna Spectra
This is typically performed in either swlevel 2 or swlevel 3, with the methodology differing between the modes. This is a sample of commands used while in swlevel 3, user1@lcu$ # Initialisation user1@lcu$ swlevel 3 user1@lcu$ rspctl --bitmode=8 user1@lcu$...
Example Observations (Currently only HBA)
Combining everything found in this chapter, we can provide an example observation. This code block describes initialisation of the station, beamforms using a selected set of RCUs on the I-LOFAR default subbands, then shuts down the station when the observation...
Sigproc
Software: Sigproc Key Type(s): Int, String Depends on: TEMPO1 Change at: Compilation Repo: https://github.com/FRBs/sigproc Quick links: src/alias.c https://github.com/FRBs/sigproc/blob/master/src/aliases.c Sigproc requires a unique number for your te...
PSRCHIVE / DSPSR
Software: PSRCHIVE / DSPSR (intertwined) Key Type(s): Int, String Depends on: Sigproc, TEMPO, TEMPO2 Change at: Compilation Repo: https://sourceforge.net/projects/psrchive/ https://sourceforge.net/projects/dspsr/ Quick links: PSRCHIVE Util/tempo...
Preparing Observation Schedules
Scheduling Observations Observations are typically scheduled using scripts that execute the quicksched.py script found on the LGC. This is a python3.6+ script that takes in a file with schedule entries in a specified format, and then produces two files to obs...
(Archived) Handling KBT/Solar357 Observations (ScheduleKBT.py Method)
Running The Solar Observations Kaira Background Task (KBT) is the scheduling software used to observe the Sun in mode 357 with I-LOFAR. It is currently run through a python script that handles all telescope side operations and currently has work-in-progress s...
Acronyms / Jargon / Etc
Machines LGC - Linux gateway computer, main node used to access the LCU and REALTA LCU - Linux control unit, the telescope's brain, used to configure observations, accessibly only via the LGC on the ilofar user ucc1 - Main recording machine Paths REALTA:/...
(Archived) Handling Combined Solar/KBT/Beamformed Observations
Scheduling Observations Observations are typically scheduled using the quicksched.py script found here. This is a python3.6 script that takes in a file with schedule entries in a specified format, and then produces two files to observe the specified sources, ...
Preparing Observation Schedules With `prepquick.py`
The `prepquick.py` script can be used to generate a number of candidate observation windows, based on transit time and observation length, or on source elevation. Each file must start with a start time, which can then be followed by a number of lines with sour...
(Archived) Executing a Schedule and Processing Data
Running Observations Automatic Configuration on the LGC The observing process has been simplified to only require the use of a schedule file and a single command on the LGC. The current working directory can be accessed via the ilofar used on the LGC and run...
Queuing an Observation Schedule
Working in the scheduling directory is strongly discouraged. It will very likely lead to frustration and spam for any other users on the ilofar account. It is advised to prepare schedules on your local machine or in the temp folder. Once you have used the pre...
Interrupting Scheduled Observations
The interruptObs.sh script operates in one of two modes: focused and global. In focused mode, it will take an input schedule, determine the relevant launched instances for that schedule, and specifically shut down all related screens, tmuxes and processes. In ...
Processing Pulsar Data
CDMT (Stokes I) Method The GPUs in ucc4 are typically used to reduce the majority of the pulsar data produced by the station into mode 5, 8x channelised, 16x downsampled Sigproc Stokes I filterbanks. This is achieved through using a python3 script, cdmtProc.p...
Processing Solar Data (Basic)
UPM Method Solar data is typically processed using udpPacketManager, to produce a Stokes IV output, downsampled by a factor of 256 to 1.3ms, using a set of automated scripts. The process_data.sh script can be set to process any subdirectories with data on a ...
Processing Other Data (EMPTY)
UPM Method
Bash Aliases
LGC $ # Access the LCU while in local mode $ lcu $ # Access the Recording node (ucc1) $ ucc1 $ # Access the scheduling directory $ sched $ # Test a schedule file $ testsched my_input_file.txt UCC1 $ # Access recording drive 1 (old) $ cdr ...