(Internet) Initialism of read the fucking FAQ.

plural of RTTY

(space flight) Initialism of return to launch site.

Initialism of radioteletype.

(computing) Initialism of rational team concert. / (computing) Initialism of real-time computing. / (computing) Initialism of real-time control. / (electronics) Initialism of real-time clock.

(US, military) Initialism of Recruit Training Command: a unit within the United States Navy responsible for conducting the initial orientation and indoctrination of incoming recruits, located at Naval Station Great Lakes, Illinois.

plural of RTOS

plural of RTS

plural of RTC

(navigation, aviation) Initialism of real-time kinematic.