There are numerous “correct” paths when it comes to Event Logging. A larger, more complicated, event may use a CAD system like OpenCAD. However, a simple and powerful tool to provide decentralized logging is Slack;
Although internet access is required for all the devices used, the bandwidth requirements is about the same as text messaging. The benefit is that Slack will work on any system platform (including smartphones) and also double as a messaging system. Thus, you have a decentralized logging system with messaging capabilities.
N1ATP uses a free account (10,000 entries). By clever design of users and groups your Net-ControllerS remain in sync. It also allows remote monitoring of activities across multiple nets.