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When observing with the HBAs, there can be a desync between beamforming beginning and delivery of data to the LCU. As a result, always ensure there are at least 10 seconds between the end of beamforming initialisation ("Points accepted") and recording beginin...

The backend used for CDMT is also available in a CLI, lofar_udp_extractor, which is installed on the Docker containers available on the REALTA nodes. This guide assumes you have a UDP recording (compressed or uncompressed) from Olaf Wucknitz's VLBI recording ...

rspctl (Expert mode) -bash-4.2$ rspctl -X rspctl usage: --- RCU control ---------------------------------------------------------------------------------------------- rspctl --rcu [--select=<set>] # show current rcu control ...

This page describes the process to get a TOA measurement for a single pulse, assuming You know the rough TOA of the pulse The input data is a Sigproc Filterbank DSPSR and PSRCHIVE (with GUI) are available Many steps of this process are automated on REALT...

cd /home/ilofar/Scripts/Python/obs_schedule # Currently a Python 2 script python ScheduleSolarKBT_DMcK.py \ -d YYYY-MM-DD \ # Date of the scheduled observation -t HH:MM \ # Observation start-up time (account for station initialisation + be...

git clone https://github.com/canizarl/ILOFAR_Realtime Monitor   cd /home/ilofar/Monitor tmux new -s monitor -- enter tmux shell -- ./monitor.sh

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...

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$...

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...

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...

  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...

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...

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...

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:/...

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, ...

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...

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...