Instruction Manual

Y1-03-0155 Rev. A
5
1.4 AUTHORIZATIONS
1.4.1 The P-EPIRB™ 406 meets the requirements of the RTCM version 1:1997 for PLB’s, and
Cospas/Sarsat T.001 & T.007.
1.5 CHARACTERISTICS
1.5.1 The beacon is a floatable; battery operated unit that accepts external GPS data via an I/R
interface cable that is included with your unit. The beacon case, with its external antenna,
is waterproof. The semiconductor circuits are mounted within the case assembly along
with the battery power supply. A “On/Off” switch is installed on top of the beacon, along
with an internal beeper.
1.6
TECHNICAL DATA
1.7
1.6.1 Applicable Documents
COSPAS-SARSAT Document C/S T.001 & T.007 (specification for 406
MHz distress beacons)
RTCM RTCM Version 1.0 1997
1.6.2 Specifications
406 MHz Transmitter
Frequency 406.025 MHz
Frequency Stability ±2 parts per billion/100ms
Output Power 5 watts
Digital Message
Format
Long message / serialized
Message protocol Standard Location or optional National location
Protocol
Duration 520 ms
Rate 400 BPS
Encoding Biphase L
Modulation ±1.1 radians peak
The unit leaves ACR with a serialized code but can be reprogrammed at a service center
to other coded formats including country of registration.
121.5 MHz Transmitter
Frequency 121.5 MHz
Frequency Tolerance ±50 ppm