ACR&Artex TerraFix 406 GPS PLB - Manual (Page 15)

Y1-03-0174 Rev. E 14
with your PLB. The TerraFix™ 406 GPS I/O (P/N 2798.4) also contains an Onboard GPS engine
that will acquire your LAT/LON if an external GPS receiver is not present.
SECTION 9 - TECHNICAL DATA -TerraFix™ 406
9.1 The
TerraFix™ 406 GPS PLB is available in two combinations. The following product codes define
the options available to meet specific operational requirements:
9.2 Applicable
Documents
NSS PLB01-01 Standard for 406 MHz Satellite PLB’s, Canada
COSPAS-SARSAT Document C/S T.001 & T.007 (spec for 406 MHz distress beacons)
RSS 187 Radio Standards Specification for Emergency Position Indicating Radio Beacons,
Emergency Locator Transmitter, and Personal Locator Beacon
FCC Part 95, Subpart K
ETSI 302152/1 version 2003
9.3 Specifications
406 MHz Transmitter
Frequency 406 MHz
Frequency Stability ±2 parts per billion/100ms
Output Power 5 watts
Digital Message
Format
Long message / serialized
Message protocol Standard Location (2798.2 – 2798.4)
Duration 520 ms
Rate 400 bps
Encoding Biphase L
Modulation ±1.1 radians peak
PLB’s leave ACR with Serialized code but can be reprogrammed at a service center to other coded formats including
nationality of registration.
121.5 MHz Transmitter
Frequency 121.5 MHz
Frequency Tolerance ±50 ppm
Output Power 25 mW PEP
Morse Code “P” ID every 50 seconds (approximately)
Modulation
Type AM (3K20A3N)
Sweep Range 400 to 1200 Hz
Sweep Rate 3 Hz
Duty Cycle 37.5%
Morse P AM (2K00A2A)
Antenna
Frequency 406 & 121.500 MHz
Polarization Vertical
VSWR Less than 1.5/1
General/Environmental
Battery
Life
Operating Class I 24 hours minimum @ -40°C (future accessory)
Operating Class II 24 hours minimum @ -20°C
Replacement Interval 5 years or after use in an emergency
Batteries meet the UN Classification for Non-dangerous goods
Size
PLB less Antenna 1.74 x 5.71 x 3.03 in (4.4 x 14.5 x 7.7 cm)