Clarinet Merlin Receiving System (CMRS)
CMRS is a shore based receiving system that continuously monitors for transmissions from Submarine Emergency Communication Transmitter (SECT) buoys (AN/BST-1) launched from SSBN submarines. This listening network provides global coverage from six strategically placed receive sites that are monitored simultaneously from both Broadcast Control Authority(s) (BCA) located at COMSUBPAC and COMSUBLANT operational headquarters.
Long Wave Inc was awarded a SPAWAR contract, in June 2003, to upgrade the legacy Clarinet Merlin Communications System. The totality of this effort included the production, integration, testing, installation, documentation, and life-cycle maintenance of the entire CLARINET MERLIN system from the receiver sites to the BCA(s); including the operator interface/display.
Long Wave’s specially designed digital signal process (DSP) based decoding unit is at the heart of this vastly improved communications system. The Long Wave DSP decoder algorithms were specifically designed and optimized for improved performance within the HF Radio Frequency spectrum, providing a minimum 10 dB improvement over the legacy system.
Long Wave’s CLARINET MERLIN system is designed with a high degree of equipment redundancy and innovative automation features. Each receiver site has special self test software which automatically performs equipment self tests. In the event of a failure the software automatically isolates the failed equipment, places the backup component in service, then notifies the Long Wave maintenance personnel, via a pager, of the equipment failure.
In addition to the shore based receive function; one or more CLARINET MERLIN receivers (based on the LONG WAVE Inc. CMRS) could be easily configured for an aircraft application such as the TACAMO E-6B.
Contract Number: N000-39-03-D-0007
Point of Contact: Dan Weddle
(469) 330-8350
dweddle@longwaveinc.com
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