Telecommunications Regulation Circulars (TRC)

TRC-43 - Designation of Emissions, Class of Station and Nature of Service
Issue 3, November, 2012

TRC-46 - Suppression of Inductive Interference Control and Suppression of Radio Interference from high Frequency Stabilized Arc Welding Equipment
March 31, 1978 - Rescinded September 2008

TRC-49 — Telecommunications and Radio Equipment Service Fees of the Certification and Engineering Bureau
Issue 8, November 2011

TRC-55 - Suppression of Inductive Interference from Small Lighting Plants
March 31, 1979 -Rescinded September 2008

TRC-56 - Shielding for the Suppression of Radio Interference
March 31, 1979 -Rescinded September 2008

TRC-57 - Suppression of Radio Interference from Elevators

TRC-81 - Technical Requirements for an Air-Ground Public Telephone Service in the Bands 849-851/894-896 MHz
Issue 1, February 1993 - Rescinded August 2009