MS-8128/WSB Sonobuoy Telemetry Multichannel Receiving System

Features

Standard sonobuoy frequency range 136 to 173.5 MHz
Custom frequency ranges available
Independent receiving of up to eight sonobuoy channels
Fully integrated and compact solution
Optional antenna preamplifier and distribution unit
Optional sonobuoy antenna
Ruggedized rack-mount enclosure for mobile operations

The WiNRADiO MS-8128/WSB Sonobuoy Telemetry Multichannel Receiving System provides an elegant, fully integrated solution, specifically designed for reception and monitoring of VHF telemetry transmitters, in particular sonobuoy transmitters, on multiple channels.

MS-8128/BRL Front Panel

This system is based on a 19” rack-mounted industrial computer. The front panel features a high-contrast wide-angle display. There is provision for connection of an external keyboard and mouse. The system is capable of simultaneous independent monitoring of up to eight channels in the sonobuoy VHF range of 136 to 173.5 MHz. Other frequencies are available upon request.

Receivers

Well proven WiNRADiO card-based receivers are at the heart of the WiNRADiO MS-8128/WSB system. Each card contains a high-performance receiver designed to operate in the harsh electromagnetic environment existing inside a computer-based system, and ideally suited for simultaneous multichannel operation.

User interface

The MS-8128/WSB software makes it possible for the user to control each individual receiver separately and observe its operational status, as well as set the system parameters for multichannel reception and monitoring operations.

MS-8128/WSB Graphical User Interface

Options and Accessories

The optional WA-108B Antenna Distribution System contains a low-noise preamplifier with extremely high linearity, and a power splitter with high isolation between outputs.

The optional AX-61S antenna complements the entire sonobuoy telemetry receiving system with a high-efficiency, ruggedized antenna designed to withstand harsh operating conditions in the marine environment.

Packaging

The MS-8128/WSB Sonobuoy Telemetry Multichannel Receiving System is shipped in a specially designed ruggedized 19" rack-mounted chassis with built-in shock absorbers, to ensure safe shipping. The unit can then be either removed from the enclosure, or operated from inside it. This is particularly useful for mobile operation.

For larger installations, various rack-mount options are available (see an example of a WiNRADiO multichannel system pictured on the right).

Array of WiNRADiO radio monitoring units in a large-scale installation

Technical Specifications
Frequency range	136.000-173.500 MHz (custom frequency ranges available)
Number of simultaneous channels	8
Channel spacing	375 kHz
Modes	FM (DIFAR)
Sensitivity	0.9 µV
IF bandwidth	230 kHz @ -6 dB
Skirt selectivity	470 kHz @ -25 dB 730 kHz @ -60 dB
Frequency response	5 Hz to 25 kHz @ ± 1 dB 5 Hz to 40 kHz @ ± 2 dB
Output level	1.0 ± 0.2 V rms @ 75 kHz deviation and 1 kHz modulation frequency
RSSI range	80 dB typ.
Image rejection	70 dB or better
Tuning accuracy	±1 ppm
Frequency stability	±0.5 ppm
Input impedance	50 ohm
Output impedance	600 ohm
Connectors	2 x SMA: RF input, demodulator output (for each channel)
Power	Selectable 100/120 or 220/240 VAC, 50 or 60 Hz, 110 W max
Dimensions	19" rack mount Height: 4U (6.9" = 177 mm Depth: 16.5" (415 mm)
Weight	43 lb (19.5 kg)
Ambient temperature	Storage: -20º to +75º C Operation: 0º to +45º C

Specifications are subject to change without notice due to continuous product development and improvement.