Appendix B - Specifications - Iridium Pilot User Manual

Appendix B – Specifications
RF Performance
Frequency of Operation
Channelization
EIRP
Modulation
Antenna
Power Requirements
Main Power (AC)
DC input (power module)
58
Iridium Pilot User Manual
TX
RX
FDMA spacing
TDMA Timing
Channels available
1 ch (voice)
64 ch (max data rate)
Voice/Data
Type
Polarization
Gain
Beam Width
Steering
Coverage
Ship's Motion
Voltage
Frequency
Output Power
DC Input Voltage
Power In Standby
Power During Call
Power During Data
1616 to 1626.5 MHz
1616 to 1626.5 MHz
41.67 KHz
8.3 mS slot in a 90 mS window
64 channels
1.1 watts average power
2 watts average power
QPSK
6 dual element azimuthal
array and 1 zenith element,
electronically switched and phase
steered
RHCP
+8 dB
Hemispheric coverage (60° per
element)
Automatic solid state
Horizon to horizon
provides useful link margin up to
roll = 20°
100 - 240 VAC
50/60 Hz
100 W (24 volts @ 4.2 Amps max)
11 to 32 VDC
18 Watts
22 Watts
31 Watts