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2022
4111

Using LEOs and GEOs

Once you head away from the areas that are serviced by modern terrestrial cable infrastructure, the available digital communications options are somewhat limited. Some remote areas are served using High Frequency radio systems, using radio signals that bounce off the ionosphere to provide a long distance, but limited…

4138

Slack’s Incident on 2-22-22

By Laura Nolan, with contributions from Glen D. Sanford, Jamie Scheinblum, and Chris Sullivan. Assessing conditions Slack experienced a major incident on February 22 this year, during which time many users were unable to connect to Slack, including the author — which certainly made my role as Incident Commander more…