Which service includes originating and disseminating NOTAMs?

The service responsible for originating and disseminating Notams (Notice to Airmen) is Flight Service Stations (FSS). FSS play a critical role in providing pilots and air traffic controllers with timely and essential information regarding the safety and operational status of the National Airspace System. This includes information about potential hazards to flight, changes to airport conditions, and updates on air traffic procedures, all of which are conveyed through Notams.

Flight Service Stations are strategically positioned throughout the United States and are staffed with trained personnel who can interpret and distribute pertinent flight information. This service ensures that pilots are aware of crucial details that could affect their flight plans and decision-making processes.

In contrast, Distance Measuring Equipment, Automated Direction Finders, and Ground Based Augmentation Systems serve different functions within the aviation ecosystem. DME is used for determining the distance between an aircraft and a navigational aid, while Automated Direction Finders assist in locating the direction of radio signals. Ground Based Augmentation Systems are intended to improve the accuracy of GPS signals for aircraft navigation. None of these services are tasked with the creation or dissemination of Notams, highlighting the unique role that FSS plays in this crucial function of aviation safety.