User Manual

Y1-03-0180 Rev. T1
17
RTCM Recommended Standards for Ship Security Alert Systems (SSAS) Using
the Cospas-Sarsat Satellite System
COSPAS-SARSAT Interim Cospas-Sarsat Type Approval Guidelines for 406 MHz SSAS
Beacons
FCC Part 80 and GMDSS
7.3.2 Specifications
406 MHz Transmitter
Frequency 406.028 MHz
Frequency Stability ±2 parts per billion/100ms
Output Power 5 watts
Digital Message
Format Serialized
1
Duration 520 ms
Rate 400 bps
Encoding Biphase L
Modulation ±1.1 radians peak
Antenna
Frequency 406.028 MHz
Polarization Right-Hand Circular (RHCP)
VSWR Less than 1.5:1
General/Environmental
Battery Life
Operating 48 hours minimum
Replacement Interval 5 years
Size
S.S.A.S less Antenna 7.20" (18.29 cm)
Material, S.S.A.S High impact and UV resistant plastic
Color Blue
Weight 1.9 lbs.
Temperature Range
Operating -25°C to +55°C
Stowage -25°C TO +70°C
1
Leaves ACR with Serialized U.S. code but must be reprogrammed at a Service center to
Maritime MMSI before installation on a ship.