TCI to Expand Malaysia’s National Spectrum Monitoring Capabilities with Turnkey Hybrid AOA/TDOA Geolocation Systems

Fremont, CA – TCI has signed a contract with prime contractor Rexaco to expand Malaysia’s National Spectrum Monitoring and Control System (NASMOC) capabilities. Signed on August 18, 2015, this contract will equip the NASMOC with four AOA/TDOA clusters that provide Malaysia’s Communications and Multimedia Commission (MCMC) with precision hybrid geolocation technology.

Strategically located to maximize monitoring and geolocation efforts, these clusters will be located in Kuala Lampur, Seremban, Shah Alam and Sepang.

These advanced hybrid systems will cover a range of 9 kHz to 8 GHz for monitoring, 20 MHz to 8 GHz for DF, and 20 MHz to 6 GHz for TDOA geolocation. Each system will consist of a combination of TCI Model 737 monitoring and DF stations working in concert with TCI TDOA sensors.

Each of the four Model 737 systems will feature TCI Model 647D antennas optimized for dual-polarized VHF/UHF/SHF monitoring and DF. They will be complimented by TCI 7031 antennas to provide wideband HF monitoring down to 9 kHz.

TCI’s TDOA component will include TCI 707 monitoring sensors and TCI’s dual-polarized monitoring antennas to cover a frequency range of 20 MHz to 6 GHz.

These networked clusters will be controlled by TCI’s powerful ITU-compliant Scorpio client-server spectrum monitoring software.

Under this contract, TCI will also provide spare parts, training, factory acceptance, project management and field implementation support services.

About TCI
TCI International, Inc., is a wholly owned subsidiary of SPX Corporation. TCI provides spectrum monitoring, direction finding and signals intelligence solutions to civilian, government and military agencies, as well as antennas for communications and high-power radio broadcasting. TCI is headquartered in Fremont, California. For more information, visit