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Upgrading OS on REALTA
First update everything, it’s great if this works with sudo apt update, but more than likely it won’t. Depending on the last time the packages were updated you may need to do a fresh install as many of the packages urls might be out of date. It may also be eas...
A Week in the Life of an I-LOFAR Chief Observer
This is a more simplified version of some of the pages David made and is meant to on board new chief observer's (CO) onto. It details the pipeline used to turn voltages to filter-banks, clean and search them before archival on DIAS or Archie. Scheduling The...
Searching for Binary Pulsars
Station Control from the LCU
LCU Commands Software Level Control processes in a LOFAR station are collected in groups called software levels. The user does not need to manually start and stop a number of processes, but each level contains processes for certain actions in the station, ...
Station Signal Processing Pipeline
1. Antennas LOFAR station is a wide-band radio receiver, which operates at the frequency range from 10 MHz to 240 MHz. The full reception band is divided into low band (10 MHz – 90 MHz) and high band (110 MHz – 240 MHz). The frequencies in between low band an...
What is Mode 357?
LOFAR stations have two types of antenna. These are the Low-Band Antenna (LBA) array and the High-Band Antenna (HBA) array. The LBA and HBA antennas receive the frequency range of 10-90 and 110-270 MHz respectively. However, the signal processing is arranged s...
Scheduling the Sun
As the Sun is regularly observed by I-LOFAR a script was made by Jessica Murphy to indicate the best times for observations. This script calculates the periods during which the sun is above a specified horizon angle for a given location and date. It also retr...
Offline Installation of <packages>
This guide helps package and install <package> on archie or any offline machine. It includes copying binaries, dependencies, and setting up installation scripts. 1. Check Dependencies Find all dependencies for <package>: ldd /usr/bin/<package> 2. Package ...