• 
  CTIO ( iCal, TMT-wiki, TMT-blog)
• 
  SSO ( iCal, TMT-wiki, TMT-blog)
• 
  SAAO ( iCal, TMT-wiki, TMT-blog)

CTIO weather data from http://139.229.13.222/web/CTIO/ctio_site_monitoring.php (internal use only)
SSO weather data from https://www.mso.anu.edu.au/metdata
SAAO weather data from https://suthweather.saao.ac.za/