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Using ARCHIE

Generating XST Data (Empty)

I-LOFAR Observers Guide Observing with the Station (LCU)

Quickstart Guide

I-LOFAR Observers Guide

Mode 357 (Breaking the Station in the Name of Science) (Empty)

I-LOFAR Observers Guide Observing with the Station (LCU)

Archived Pages

I-LOFAR Observers Guide

Old pages that no longer apply to the station setup

Observing Bit Mode

I-LOFAR Observers Guide Observing with the Station (LCU)

There are 3 available bit modes available while observing with the station. 4, 8 and 16-bit, each of which describe the size of the signed word of each beamlet sample. 8-bit is the standard mode used for observations with I-LOFAR. Adjusting the bit mode of th...

NUMA-Aware Update

REALTA Users Guide Observing Software

Given we're often stuck with a full drive or want to start transferring data to collaborators while observations are on-going, I had a look into the NUMA setup of UCC1 to see if we could try keep recording processing on one NUMA node and offloading on another ...

Single Pulse Source Observations

REALTA Users Guide Processing Methodologies

FRBs and RRats are highly transient by their nature. As a result, we could see a single peak in a 10 hour observation. While keeping the raw voltages on hand can help with re-processing observations to avoid missing features due to issues in the current method...

LuMP Processing

REALTA Users Guide Processing Methodologies

An alternative recording method for some observations is with the LuMP software from MPIfRA. It has been used in the past for coordinated observations with FR606 and at the request of observers from the UK and Poland. Any DSPSR sub-program (dspsr, digifil, di...

PRESTO Timing

REALTA Users Guide Processing Methodologies

PRESTO can be used for generating timing files for use with tempo(2).  To start, a standard prepfold command should be run, though to use the output archives for timing the -nosearch flag must be used, as a result you will need a well-timed target (good entry...

Oddities

I-LOFAR Observers Guide Observing with the Station (REALTA)

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...

Timing With Tempo2 (Empty)

REALTA Users Guide Processing Methodologies

SST Data (Empty)

I-LOFAR Observers Guide Station Data Products

Processing Non-Pulse-Based Observations

REALTA Users Guide Processing Methodologies

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 ...

Recording with REALTA (empty)

I-LOFAR Observers Guide Observing with the Station (REALTA)

Command References

I-LOFAR Observers Guide Observing with the Station (LCU)

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

Getting TOA Measurements from Single Pulses

REALTA Users Guide Processing Methodologies

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...

Kaira Background Task (357, scheduling) (EMPTY)

I-LOFAR Observers Guide Station Services

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...