KVH Industries eTrac User Manual
Page 33
G
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Operating System
eCosTM operating system
Inmarsat-C Protocol Support
Message transmission and reception with IA-5,
ITA-2 and binary transfer to/from the following
destinations:
–
Telex
–
PSTN (telephone modems and fax modems)
–
PSDN (X.25 network)
–
EGC message reception with automatic
geographical area selection
–
Polling and data reporting with automatic
transmission of position reports down to a
recommended minimum of 1 per 5 minutes
–
Special access codes
–
DNID messaging
–
Program unreserved data reporting
–
Pre-assigned data reporting
–
Transmit message size: Max 10 K
–
Receive storage: 106 K
Antenna Unit
Inmarsat-C/GPS omnidirectional antenna, RHC
polarised
G/T: -23.7 dB/K at 5
º
elevation
EIRP: 7 dBW dB at 5
º
elevation
Maximum Transmission Length
10 K
Solar Radiation
Max. flux density 1200W/m2
Precipitation
Up to 4"/hour (100 mm/hour),
droplet size 0.02" to 0.18" (0.5 to 4.5 mm)
Ice
Up to 1" (25 mm)
Velocity
Up to 87 mph (140 km/hour)
Vibration Operational
Random 5-20 Hz: 0.005 g2/Hz
20-150 Hz: -3dB/oct. (0.5g RMS)
Vibration Survival
Random 5-20 Hz: 0.05 g2/Hz
20-150 Hz: -3dB/oct. (1.7g RMS)
Shock
Half sine 20g/11ms
A Guide to the KVH eTrac Satellite Communications System
A-2
www.kvh.com