AIS-CTRX Class B AIS Transponder Manual
FAQ
Q: Is it possible to use an existing VHF antenna?
A: No the AIS-CTRX needs a separate VHF antenna.
Q: Can I use an existing GPS antenna?
A: GPS signal can be divided with a splitter as well but will cause some loss of signal strenght. GPS
splitters are available through True Heading as well.
Q: What type of GPS and VHF antenna do I need for my AIS-CTRX?
A: The GPS antenna should at least fulfil the following requirements:
Antenna type: RHCP, patch or quadrifilar type.
Power supply: 5V DC
LNA gain: 10 dB (net gain)
Impedance: 50 ohm
Connector: TNC male
The VHF antenna should at least fulfil the following requirements:
Antenna type: Vertical radiator
Antenna gain: 0 – 3 dBd
Impedance: 50 ohm
Q: Is it possible to connect my AIS-CTRX to a plotter?
A: Today most plotters are prepared to connect AIS and to display AIS targets. Some of the
manufacturer that supports this today is Furuno, Seiwa, Interphase, Raymarine, Garmin. Some others
are working on the issue and will be able to do so in coming models. For further information contact
your supplier and ask about AIS interface to their product.
Q: What electronic chart programs can handle AIS today AIS?
A: Today several software are prepared for AIS, the once known to us are Adveto AECDIS series,
Euronav, Fugawi, Fugro, ICAN Aldebaran, MaxSea, Nobeltec, SeaClear, Transas Navisailor. All
software that can handle the NMEA message VDM and display the data will be able to present AIS.
1.1E 35 LD2103
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