Ratings system used to identify channels related to their capacity and sensitivity. Relates to the channel's Selyn Draw Speed and Secondary Selyn Storage System Capacity.
The equivalent rating for Donors is TN
See; QN, TN, GN, GN-1, GN-2 , GN-3 and TN-1, TN-2, TN-3
Tecton abbreviation for a renSime is RN.
Also see: First Order, Second Order, Third Order.