User's Manual
Table Of Contents
- Safety summary
- Preface
- Training information
- About this manual
- Introduction
- Installation
- Interface description
- Configuration
- Service & maintenance
- Technical specifications
- NMEA sentences
- B.1 NMEA sentences used
- B.2 Sentence use reference
- B.2.1 ABK - AIS addressed and binary broadcast acknowledgement (output)
- B.2.2 ABM - AIS addressed binary and safety related message (input)
- B.2.3 ACA - AIS channel assignment message (input / output)
- B.2.4 ACK - Acknowledge alarm (input)
- B.2.5 AIR - AIS interrogation request (input)
- B.2.6 ALR - Set alarm state (output)
- B.2.7 BBM - AIS broadcast binary message (input)
- B.2.8 DTM - Datum reference (input)
- B.2.9 EPV - Command or report equipment property value (input / response output)
- B.2.10 GBS - GNSS satellite fault detection (input)
- B.2.11 GGA - Global positioning system (GPS) fix data (input)
- B.2.12 GNS - Fix data (input)
- B.2.13 HBT - Heartbeat supervision sentence (input)
- B.2.14 HDT - Heading true (input)
- B.2.15 LR1 - AIS long-range reply sentence 1 (output)
- B.2.16 LR2 - AIS long-range reply sentence 2 (output)
- B.2.17 LR3 - AIS long-range reply sentence 3 (output)
- B.2.18 LRF - AIS long-range function (input / output)
- B.2.19 LRI - AIS long-range interrogation (input / output)
- B.2.20 NAK - Negative acknowledgement (output)
- B.2.21 PTHRAOC - AIS operational control (input / output)
- B.2.22 PTHRROS - Radio operational status (output)
- B.2.23 RMC - Recommended minimum specific GNSS data (input)
- B.2.24 ROT - Rate of turn (input)
- B.2.25 SPW - Security password sentence (input)
- B.2.26 SSD - AIS ship static data (input / output)
- B.2.27 THS -True heading and status (input)
- B.2.28 TRL - AIS transmitter non functioning log (output)
- B.2.29 TXT - Text transmission (output)
- B.2.30 VBW - Dual ground/water speed (input)
- B.2.31 VDM - AIS VHF data-link message (output)
- B.2.32 VDO - AIS VHF data-link own-vessel report (output)
- B.2.33 VER - Version (output)
- B.2.34 VSD - AIS voyage static data (input / output)
- B.2.35 VTG - Course over ground and ground speed (input)
- B.2.36 ZDA - Time and Date (output)
- Supported keys
- Glossary
- Index
VHF and GPS antenna installation
98-137573-A Chapter 3: Installation 3-3
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Installation
3.2.2 Cable requirements
Connect the antennas using a low loss type 50 Ohm coaxial cable, e.g. good quality RG214
or better. IMO-COMSAR/Circ. 32 recommends the use of a double screened type cable (like
e.g. RG214) with a maximum insertion loss of 3 dB across the antenna cable installation.
The maximum antenna cable length in the installation depends on the quality of the cable,
i.e. the specified attenuation (dB/m) of the cable of choice at the high end of the VHF
frequency band. As a rule of thumb the cable length using e.g. RG214 coaxial cable should
not exceed 25 m.
Figure 3-1: Installation of a combined VHF and GPS antenna
12 – 24 VDC
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SAILOR 6004 Control Panel
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Combined
VHF and GPS
antenna
Service PC