digital yacht ait 1000 class b ais transponder

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• Installation & quick start manual

DIGITAL YACHT AIT1000 Installation & Quick Start Manual

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Summary of Contents for DIGITAL YACHT AIT1000

• Page 1 Installation & Quick Start Guide AIT1000 Class B AIS Transponder QUICK START AIT1000 - VR1.02...

Page 2: Before You Start

• Page 3 Installation Step 2  Access to the fixing holes is achieved by removal of the two green decal strips down each side of the AIT1000. Once fixed in place, the green decal strips can be clicked back in place. ...
• Page 4 The most common connection to a dedicated chart plotter is to take the NMEA Output (Orange+ and Brown –) from the AIT1000 Transponder and to connect it to a free NMEA Input on the plotter. You must then tell the chart plotter that AIS data is connected to this port and set the baud rate to 38,400 Baud –...
• Page 5 “AIT1000 Transponder” folder.  Connect the USB data cable from the AIT1000 transponder to a free USB port on your PC – if the Windows “Found New Hardware” wizard cannot locate the drivers for the AIT1000 USB interface, direct the Wizard to search for the drivers on the supplied CD-ROM.

Page 6: Operation

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AIT2000 – Class B AIS Transponder

“ Ultra-compact AIS Transponder Class B that uses the latest AIS transponder technology to squeeze more performance and interfacing options with half the size of our previous generation transponder. “

• Manuals & Downloads
• Additional information
• What inside box
• Product Video

Description

What’s the len value of the ais.

All Digital Yacht AIS transponders have the LEN value = 1, except our AIT1500N2K which has LEN = 6.

AIT2500/AIT5000 Disable NMEA 2000 Heading Reception

All Class B and Class B+ AIS transponders can transmit the True Heading of the vessel as part of the dynamic data they transmit to other vessels; MMSI Number, Position, COG, SOG, etc. If received most charting systems will plot the AIS target with both the COG and True Heading vector displayed, useful when the vessel is stationary and COG becomes unstable/inaccurate.

Our AIT2500 and AIT5000 units can receive the True Heading (HDT or THS sentences) data via their Low Speed NMEA 0183 Input (Yellow+ and Green- wires) or via PGN#127250 Vessel Heading on NMEA 2000.

However, not all NMEA 2000 systems will transmit True Heading and in some cases they transmit a wrong value or just a fixed 000º. This results in the AIS target being plotted with a very strange heading vector or the boat appearing to be moving side-ways or backwards.

If this happens and you cannot correct or suppress the True Heading value on the NMEA 2000 network, then you can stop the AIT2500/AIT5000 from receiving True Heading over NMEA 2000, by following the procedure below….

Using the proAIS2 software, go to the Serial Data tab and then copy and paste the following commands in to the box at the bottom of the page and click the “Send” button (see image below).

• To stop reception of True Heading data over NMEA 2000 send this command: $PSMT,0,3,0x2C75B2FA,1,n2kignss 0,0*13  
• To enable it again send this command: $PSMT,0,3,0x2C75B2FA,1,n2kignss 1,0*12  

….if the command was successfully received and actioned, you should see Transponder respond with…

• $PSMT,255……….etc .     (basically, the same as the command but 255 instead of 0 after the $PSMT, text)

AIS Transponder Status light flashing red

A flashing RED Status LED indicates a high VSWR reading or potentially a Power Amplifier fault.

For the flashing RED Status LED issue, with the 12v power turned off to the AIS Transponder, I would visually inspect the BNC antenna connector on the AIS and make sure there are no signs of connector damage. Then connect up whichever VHF antenna you have the most confidence in. Now power ON the AIS Transponder and immediately join its wireless network and bring up the web interface before the unit has got a GPS position fix and tried to transmit or use ProAIS2 if your AIS transponder don’t have a web interface.

Now watch the VSWR reading and see what value is displayed after the first couple of transmissions. If it is greater than 5:1, then it has a high VSWR and will soon start to flash the RED Status LED.

The most common cause is the VHF antenna and connections, but if you are confident that they are all fine, then it must be the unit itself and we will need to get it back for warranty repair.

My AIS Transponder is not transmitting

If you think that your AIS transponder is not transmitting your position then this procedure might help you. The first step is to check if your AIS transponder is actually transmitting. If you are then sure that your AIS transponder is not transmitting then the next part explains you the factors to check.

1 – Check if your AIS is transmitting or not

With proais2 or iaistx/ait5000 web interface.

Using the proAIS2 configuration software or the iAISTX/AIT5000 web interface allows you to see if the GPS position is OK. You can monitor the AIS reception of other vessels. As well as ensure that there are no errors or alarms. However, if you are new to AIS, there is always that nagging doubt as to whether other vessels are seeing you.

Check with a local AIS Receiver/Transponder

The best test of a Class B transponder is to ask someone else in your marina, who has AIS, to check that they are receiving you on their system. If your vessel is stationary, then a transponder will only transmit every 3 minutes. This increases to every 30 seconds when your speed over the ground (SOG) is greater than 2 knots. Therefore, do allow some time for them to detect you. Also when they first receive your transmission, the only data they will see is your position, speed, course and MMSI number. It can take up to 6 minutes to receive your “Static Data” (boat name, call sign, vessel type, dimensions, etc.). This is normal and is the way the AIS system regulates the amount of data being transmitted.

Check with MarineTraffic, Vessel Finders, etc.

The other increasingly common method of testing an AIS transponder is to look on one of the online “live” AIS websites and the most popular of the free services is MarineTraffic.com

However, it is important for you to be aware of the limitations of these online sites. As a result, do not assume that you will always be picked up by them. Each of the different online services are only as good as their network of AIS receiving stations. In many cases enthusiasts/volunteers operate these. In some areas the coverage is great but there are definitely “holes” in coverage.

2 – Find out the reasons why your AIS is not transmitting

If you are now sure that your AIS transponder is not transmitting then you should follow the following steps.

You must use ProAIS2 for your AIT1500, AIT2000, AIT2500, AIT3000 or Nomad. However, for the iAISTX, iAISTX Plus or AIT5000, you must use the built-in web interface.

With proAIS2’s diagnostics tab or the iAISTX/AIT5000 web interface, you can check if an AIS transponder has an issue or not.

A- Check if your AIS receives a good GPS position.

Without a good GPS fix, an AIS transponder cannot transmit correctly your position. By going to the GPS Status tab in ProAIS2, you can see the GPS reception. If you have one of our AIS transponder with built-in GPS antenna, then you should consider installing a GPS booster (for more information, click here ).

If you have an external GPS antenna then make sure that the connectors are correctly tight and also that the antenna is outside and has a clear view over the sky.

B- Check the VHF antenna

In the Diagnostics Tab in ProAIS2 or within the iAISTX/AIT5000 web interface, you can see the VSWR ratio. The VSWR ratio is explained in the FAQs. If your VSWR ratio is above 3, then you must check the VHF antenna connectors and the cable.

If possible, use another VHF aerial to check if the AIS transmits better.

C – Check that all the data have been entered

In the Configuration Tab in ProAIS2, you must make sure that all the boat details have been added (MMSI, VHF Call Sign, Name, Dimensions, etc.)

You can send us via email a screenshot of the ProAIS2 diagnostics tab or your iAISTX/AIT5000 web interface, we will then let you know whether the product works well or not.

I cannot display AIS targets

If you encounter an issue with AIS showing on your display (navigation software or chart Plotter) then you should follow this procedure.

1 – Issue with a Chart Plotter/VHF Radio

If you cannot display AIS targets on your Chart Plotter or VHF radio, then follow this:

• If you have connected your AIS to your Chart Plotter/VHF Radio via NMEA 0183 wires , then you must make sure that you have used the NMEA 0183 38400 baud wires (Orange + & Brown – for Digital Yacht AIS Transponders). The second step is to check your Chart Plotter / VHF Radio settings. The best solution here is to check your product manual but you must make sure that the NMEA 0183 port is set at 38400 baud and also that AIS targets are activated.
• If you have connected your AIS to your Chart Plotter/VHF Radio via NMEA 2000 , then you must make sure that the NMEA 2000 network is working properly. This page might answer to your question. You should also make sure that AIS targets are activated in your chart plotter / VHF radio settings.

2 – Issue with a Navigation Software / App

If you cannot display AIS targets on your navigation software or app then follow this:

• For an Android/iOS app : The first step is to make sure that all apps are closed in the background, then you are connected to the product WiFi network. The second step is to configure your navigation app. This is explained in this page.

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AIT1500N2K – AIS Transponder with built-in GPS & NMEA 2000

$ 749.95

“An easy to install Class B AIS transponder with plug ‘n play NMEA 2000 interface. Built in GPS antenna and ideal for use on smaller yachts and boats like RIBs and center consoles.”

• Description
• Additional information
• Manual and Downloads
• what inside box
• Product Video

KEY FEATURES

The AIT1500N2K is a Class B AIS transponder with NMEA 2000 interface and built in GPS antenna to make installation as easy as possible. The super sensitive design allows below deck mounting on GRP boats such as small yachts, RIBs and center consoles and cuts down on antenna clutter. It connects to your boat’s electronics via a plug ‘n play NMEA 2000 connection and power is also taken from the  NMEA 2000 backbone . Simply connect a VHF antenna (or use our  SPL2000 AIS-VHF antenna splitter ) and you’re equipped with Class B AIS transponder.

Once installed, your AIS compatible plotter will show an overlay of targets and you’ll transmit your position every 30 seconds when underway to other AIS users. For PC/MAC connectivity there is also a USB interface. This can also be used for programming the transponder with your boat details.

The AIT1500N2K features a waterproof and tough enclosure with 4 LED indicators to show the status of the transponder.

SPECIFICATIONS

• Class B AIS transponder with NMEA 2000 interface and built in GPS antenna
• Shares the same latest generation AIS technology as our AIT2000 and AIT3000 units
• Plug and Play NMEA2000 interface (takes power from network)
• Compatible with all AIS ready chart plotters
• Internal GPS antenna for easy installation on fibreglass (GRP) hulled boats
• Built-in high performance 50 channel GPS receiver (ideal also as a backup GPS)
• USB Interface for simple plug and play connection to a PC or Mac
• Requires VHF antenna or dedicated AIS antenna (available as optional accessory) or splitter (SPL2000)
• Supplied with programming software for PC/Mac and  SmarterTrack Lite  for Windows
• Easy to install black box solution

ProAIS2 V1.20 Mac OSX Zip

Proais2 v1.20 windows zip, ait1500n2k quick start v1 01 eng pdf.

An AIS which sends and receives data is known as a transceiver (or often called a transponder). There are also simple devices called AIS receivers which pick up transmissions and decode for displaying on a compatible chart plotter or PC based navigation system – or even an iPad or tablet.

AIS transponders will allow you to receive data from vessels close to you, but will also allow you to continuously transmit your vessel’s identity, position, speed and heading, as well as other relevant information, to all other AIS-equipped vessels within your range.

To transmit its position, an AIS transponder must have its own GPS antenna. All our AIS transponders are supplied with a GPS antenna or have a built-in GPS antenna.

To help you choose the right AIS transponder for you, here are a few keys that may help you out:

• Receive targets on a plotter – if you want to receive only AIS targets on a plotter then you have the choice between the AIT1500, AIT1500N2K, AIT2000 and AIT2500. The AIT1500 or AIT1500N2K have a GPS built into the transponder and is therefore recommended for fibreglass boats up to 30 feet. The AIT1500 only has an NMEA 0183 interface while the AIT1500N2K has a NMEA 2000 interface. The AIT2000 (class B) and AIT2500 (class B+) both have an external GPS antenna and can therefore be installed on any type of boat. They both also have an NMEA 0183, NMEA 2000 and USB interface.
• Receive AIS targets on software or applications – If you only want to receive AIS targets on navigation software or applications, then we recommend the iAISTX. This is an AIS transponder with an external GPS antenna and a built-in WiFi server.
• Receive AIS targets on a plotter AND software/applications – To receive AIS targets on a plotter and software/applications at the same time, we recommend the AIT5000 (Class B+). The AIT5000 is the most complete AIS transponder with a certified zero loss VHF antenna splitter, NMEA multiplexer, external GPS antenna and WiFi server.
• AIS for rental boats – if you are looking for an AIS receiver or transponder that you can put in your suitcase and want to use when renting a boat then the Nomad is the right AIS transponder for the job. It is the only portable AIS transponder that has a built-in GPS, is USB powered and comes with a portable VHF antenna.

Now that you have an idea of which AIS transponder you need, you will also need to choose between Class B or Class B+ AIS transponder.

There are 3 types of AIS transponders: Class A, Class B and Class B+ :

• Class B AIS Transponder is for recreational craft installation and is a simplified, lower powered 2W transceiver which is normally a black box and uses a connected chart plotter to display local AIS targets. It transmits every 30 seconds regardless of vessel speed and can’t transmit additional data like destination port.
• Class B+ AIS Transponder (also called Class B SOTDMA or Class B 5W ) is a new standard that utilises SOTDMA format transmissions which offer a 5W power output (2.5 x more powerful than a regular Class B), a guaranteed time slot for transmission in busy traffic areas and faster update rates depending upon the speed of the vessel. It’s ideal for ocean sailors requiring the best possible performance and future proof satellite tracking applications, fast power boats and smaller non-mandated commercial vessels.
• Class A AIS Transponder must have a dedicated (and type approved) display to show the location of nearby AIS targets and transmits at 12.5W. Data is sent at up to every 2 seconds depending upon the vessel speed and the display also allows for data to be inputted to the transmission such as vessel destination. A Class A device is normally used on commercial vessels as its Type Approved to IMO specifications.

If the AIS transponder doesn’t have a built-in VHF splitter (i.e. AIT5000), there are 2 options: either install a dedicated VHF antenna for AIS or install an antenna splitter so that the main VHF antenna is used for both VHF radio and AIS.

For those who want to use their existing VHF antenna, then we recommend the use of a certified zero loss VHF antenna splitter such as our SPL1500 and SPL2000. Please do not use a non-zero loss certified VHF antenna splitter. They are inexpensive, but they can destroy your AIS transponder.

For those who want to install a VHF antenna dedicated to AIS, then we recommend a VHF antenna tuned to AIS frequencies. The AIS transmission and reception works on 2 dedicated channels which use the frequencies 161.975 and 162.025 MHz (channel 87B and 88B). VHF frequencies in the maritime environment use frequencies from 156.0 to 162.025 MHz and most VHF antennas are designed to provide maximum gain on channel 16 (156.8 MHz). You can now find antennas on the market dedicated to AIS frequencies such as the HA156 antenna.

These antennas, dedicated to AIS frequencies, offer maximum gain at 162 MHz (which is the centre between the 2 AIS frequencies 161.975 and 162.025 MHz). So if you install a VHF antenna instead of a VHF antenna splitter for your AIS receiver or transponder, then choose an AIS frequency VHF antenna to compensate for the loss due to the installation of the antenna lower down than the main VHF antenna at the top of the mast. The graph below shows how a dedicated AIS frequency antenna (162 MHz) provides a better VSWR and therefore a better transmission and reception.

The AIS transponder can be configured with the free PC/Mac software called ProAIS2. The ProAIS2 software can be downloaded free of charge directly from our website. The functionality of the proAIS2 software is the same on Windows or Mac.

Installation of the proAIS2 software, also installs the USB drivers and we recommend not plugging the transponders USB cable in to the PC/Mac until after you have installed proAIS2. Once the installation is complete, plug the USB cable in to the computer to complete the USB driver installation. The transponder receives enough power from the USB connection to power the processor and ancillory circuitry required to configure the transponder, however the GPS will not get a fix, the NMEA interfaces will not be working and the transponder will not transmit while on USB power.

Digital Yacht are not the only company that supply proAIS2 with transponders, but to our knowledge, we are the only company to produce a video showing how to configure and diagnose Class B transponders with it. So we hope that not only Digital Yacht users but owners of other brands will benefit from this video.

Please note that the MMSI number cannot be changed once the product has been configured. To change the MMSI number, you must reset the product and for that, please contact us.

To find out how to use the proAIS2 software to configure an AIS transponder, please watch the video below: https://www.youtube.com/watch?v=FTiMynP8KDs

If you want to stop transmitting your position, you can either fit a physical silent switch on the AIS transponder or you can stop the AIS transmission through the ProAIS2 software.

You can stop the AIS transmission of our iAISTX & AIT5000 with their built-in web interface. Easy to stop the AIS transmission with your smartphone.

This is a very valid question. Especially if you have spent a few hours installing the transponder then knowing that it is working OK is very important. Using the proAIS2 configuration software allows you to see if the GPS position is OK. You can monitor the AIS reception of other vessels. As well as ensure that there are no errors or alarms. However, if you are new to AIS, there is always that nagging doubt as to whether other vessels are seeing you.

The best test of a Class B transponder is to ask someone else in your marina, who has AIS, to check that they are receiving you on their system. If your vessel is stationary, then a transponder will only transmit every 3 minutes. This increases to every 30 seconds when your speed over the ground (SOG) is greater than 2 knots. Therefore, do allow some time for them to detect you. Also when they first receive your transmission, the only data they will see is your position, speed, course and MMSI number. It can take up to 6 minutes to receive your “Static Data” (boat name, call sign, vessel type, dimensions, etc.). This is normal and is the way the AIS system regulates the amount of data being transmitted.

The other increasingly common method of testing an AIS transponder is to look on one of the online “live” AIS websites and the most popular of the free services is MarineTraffic.com

However, it is important for you to be aware of the limitations of these online sites. As a result, do not assume that you will always be picked up by them. Each of the different online services are only as good as their network of AIS receiving stations. In many cases enthusiasts/volunteers operate these. In some areas the coverage is great but there are definitely “holes” in coverage.

• 0.75M NMEA2000 cable

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AIT2000 – Class B AIS Transponder with external GPS antenna

954,00 €

“ Ultra-compact AIS Transponder Class B that uses the latest AIS transponder technology to squeeze more performance and interfacing options with half the size of our previous generation transponder.”

• Description
• Additional information
• Manual and Downloads
• what inside box

KEY FEATURES

The AIT2000 is an AIS transponder class B. It uses the latest AIS Transponder technology. Therefore squeezing more performance and interfacing options in to a housing that is half the size of our previous generation transponder.

This ultra-compact Class B Transponder has three outputs; NMEA 0183, NMEA 2000 and USB connection, therefore allowing it to work with every AIS compatible chart plotter or software package on the market today. The AIT2000 features a remote silence button option, two NMEA 0183 Inputs and Outputs, four status LEDs and rugged vibration-proof mounting brackets. The AIT2000 is the third generation of Digital Yacht AIS transponder and replaces the very popular AIT1000.

For permanent USB connection to a PC or MAC, we recommend adding one of our NMEA to USB Adaptor cables. Hence providing an extra level of electrical isolation/protection against ground differences and static discharge.

Configuration of your vessel’s fixed data, such as MMSI, call sign, boat name, dimensions etc. is made easy with the included Windows and Mac compatible proAIS2 software*. Once configured, the unit will provide AIS data to a PC or Mac running suitable navigation software or a dedicated chart plotter, such as the latest Garmin, Raymarine, Navico, Standard Horizon and Furuno units.

As well as transmitting your own vessel’s position so that other AIS equipped vessels know where you are, the AIT2000, when connected to an existing VHF antenna (via a splitter) or dedicated AIS antenna, will receive all AIS targets within range of your boat – typically up to 30NM.

With two industry standard NMEA 0183 outputs, our own N2Net connector for plugging in to an NMEA 2000 network and a simple plug and play USB connection to a PC, the AIT2000 is therefore the perfect AIS transponder solution for all light marine vessels up to 300 tons.

For optimum AIS performance on sailing yachts, we also recommend our SPL2000 Splitter featuring “Zero Loss” technology which allows you to use your boat’s existing VHF antenna at the top of the mast for maximum range.

* Except US where dealer programming required

SPECIFICATIONS

• Latest generation AIS technology – featuring a brand new AIS transponder (Class B) design
• Ideal for use with existing plotter and radar systems
• USB Interface for simple plug and play connection to a PC or Mac
• Includes N2Net interface and cable for connection to NMEA 2000 network
• High speed NMEA output (38,400 baud) – compatible with industry standard plotters
• Low Speed NMEA output (4,800 baud) – for providing GPS data to DSC VHF radio
• Low Speed NMEA Input (4,800 baud) – for multiplexing additional NMEA0183 data
• Comes complete with GPS antenna (10m cable) with integral 1”x14TPI thread mount
• Requires VHF antenna or dedicated AIS antenna (available as optional accessory) or splitter (SPL2000)
• Remote Silence Switch option
• Supplied with programming software for user programming*
• Easy to install black box solution

ProAIS2 V1.20 Mac OSX Zip

Proais2 v1.20 windows zip, ait2000 quick start v2 01 eng pdf.

An AIS which sends and receives data is known as a transceiver (or often called a transponder). There are also simple devices called AIS receivers which pick up transmissions and decode for displaying on a compatible chart plotter or PC based navigation system – or even an iPad or tablet.

AIS transponders will allow you to receive data from vessels close to you, but will also allow you to continuously transmit your vessel’s identity, position, speed and heading, as well as other relevant information, to all other AIS-equipped vessels within your range.

To transmit its position, an AIS transponder must have its own GPS antenna. All our AIS transponders are supplied with a GPS antenna or have a built-in GPS antenna.

To help you choose the right AIS transponder for you, here are a few keys that may help you out:

• Receive targets on a plotter – if you want to receive only AIS targets on a plotter then you have the choice between the AIT1500, AIT1500N2K, AIT2000 and AIT2500. The AIT1500 or AIT1500N2K have a GPS built into the transponder and is therefore recommended for fibreglass boats up to 30 feet. The AIT1500 only has an NMEA 0183 interface while the AIT1500N2K has a NMEA 2000 interface. The AIT2000 (class B) and AIT2500 (class B+) both have an external GPS antenna and can therefore be installed on any type of boat. They both also have an NMEA 0183, NMEA 2000 and USB interface.
• Receive AIS targets on software or applications – If you only want to receive AIS targets on navigation software or applications, then we recommend the iAISTX. This is an AIS transponder with an external GPS antenna and a built-in WiFi server.
• Receive AIS targets on a plotter AND software/applications – To receive AIS targets on a plotter and software/applications at the same time, we recommend the AIT5000 (Class B+). The AIT5000 is the most complete AIS transponder with a certified zero loss VHF antenna splitter, NMEA multiplexer, external GPS antenna and WiFi server.
• AIS for rental boats – if you are looking for an AIS receiver or transponder that you can put in your suitcase and want to use when renting a boat then the Nomad is the right AIS transponder for the job. It is the only portable AIS transponder that has a built-in GPS, is USB powered and comes with a portable VHF antenna.

Now that you have an idea of which AIS transponder you need, you will also need to choose between Class B or Class B+ AIS transponder.

There are 3 types of AIS transponders: Class A, Class B and Class B+ :

• Class B AIS Transponder is for recreational craft installation and is a simplified, lower powered 2W transceiver which is normally a black box and uses a connected chart plotter to display local AIS targets. It transmits every 30 seconds regardless of vessel speed and can’t transmit additional data like destination port.
• Class B+ AIS Transponder (also called Class B SOTDMA or Class B 5W ) is a new standard that utilises SOTDMA format transmissions which offer a 5W power output (2.5 x more powerful than a regular Class B), a guaranteed time slot for transmission in busy traffic areas and faster update rates depending upon the speed of the vessel. It’s ideal for ocean sailors requiring the best possible performance and future proof satellite tracking applications, fast power boats and smaller non-mandated commercial vessels.
• Class A AIS Transponder must have a dedicated (and type approved) display to show the location of nearby AIS targets and transmits at 12.5W. Data is sent at up to every 2 seconds depending upon the vessel speed and the display also allows for data to be inputted to the transmission such as vessel destination. A Class A device is normally used on commercial vessels as its Type Approved to IMO specifications.

If the AIS transponder doesn’t have a built-in VHF splitter (i.e. AIT5000), there are 2 options: either install a dedicated VHF antenna for AIS or install an antenna splitter so that the main VHF antenna is used for both VHF radio and AIS.

For those who want to use their existing VHF antenna, then we recommend the use of a certified zero loss VHF antenna splitter such as our SPL1500 and SPL2000. Please do not use a non-zero loss certified VHF antenna splitter. They are inexpensive, but they can destroy your AIS transponder.

For those who want to install a VHF antenna dedicated to AIS, then we recommend a VHF antenna tuned to AIS frequencies. The AIS transmission and reception works on 2 dedicated channels which use the frequencies 161.975 and 162.025 MHz (channel 87B and 88B). VHF frequencies in the maritime environment use frequencies from 156.0 to 162.025 MHz and most VHF antennas are designed to provide maximum gain on channel 16 (156.8 MHz). You can now find antennas on the market dedicated to AIS frequencies such as the HA156 antenna.

These antennas, dedicated to AIS frequencies, offer maximum gain at 162 MHz (which is the centre between the 2 AIS frequencies 161.975 and 162.025 MHz). So if you install a VHF antenna instead of a VHF antenna splitter for your AIS receiver or transponder, then choose an AIS frequency VHF antenna to compensate for the loss due to the installation of the antenna lower down than the main VHF antenna at the top of the mast. The graph below shows how a dedicated AIS frequency antenna (162 MHz) provides a better VSWR and therefore a better transmission and reception.

The AIS transponder can be configured with the free PC/Mac software called ProAIS2. The ProAIS2 software can be downloaded free of charge directly from our website. The functionality of the proAIS2 software is the same on Windows or Mac.

Installation of the proAIS2 software, also installs the USB drivers and we recommend not plugging the transponders USB cable in to the PC/Mac until after you have installed proAIS2. Once the installation is complete, plug the USB cable in to the computer to complete the USB driver installation. The transponder receives enough power from the USB connection to power the processor and ancillory circuitry required to configure the transponder, however the GPS will not get a fix, the NMEA interfaces will not be working and the transponder will not transmit while on USB power.

Digital Yacht are not the only company that supply proAIS2 with transponders, but to our knowledge, we are the only company to produce a video showing how to configure and diagnose Class B transponders with it. So we hope that not only Digital Yacht users but owners of other brands will benefit from this video.

Please note that the MMSI number cannot be changed once the product has been configured. To change the MMSI number, you must reset the product and for that, please contact us.

To find out how to use the proAIS2 software to configure an AIS transponder, please watch the video below: https://www.youtube.com/watch?v=FTiMynP8KDs

If you want to stop transmitting your position, you can either fit a physical silent switch on the AIS transponder or you can stop the AIS transmission through the ProAIS2 software.

You can stop the AIS transmission of our iAISTX & AIT5000 with their built-in web interface. Easy to stop the AIS transmission with your smartphone.

This is a very valid question. Especially if you have spent a few hours installing the transponder then knowing that it is working OK is very important. Using the proAIS2 configuration software allows you to see if the GPS position is OK. You can monitor the AIS reception of other vessels. As well as ensure that there are no errors or alarms. However, if you are new to AIS, there is always that nagging doubt as to whether other vessels are seeing you.

The best test of a Class B transponder is to ask someone else in your marina, who has AIS, to check that they are receiving you on their system. If your vessel is stationary, then a transponder will only transmit every 3 minutes. This increases to every 30 seconds when your speed over the ground (SOG) is greater than 2 knots. Therefore, do allow some time for them to detect you. Also when they first receive your transmission, the only data they will see is your position, speed, course and MMSI number. It can take up to 6 minutes to receive your “Static Data” (boat name, call sign, vessel type, dimensions, etc.). This is normal and is the way the AIS system regulates the amount of data being transmitted.

The other increasingly common method of testing an AIS transponder is to look on one of the online “live” AIS websites and the most popular of the free services is MarineTraffic.com

However, it is important for you to be aware of the limitations of these online sites. As a result, do not assume that you will always be picked up by them. Each of the different online services are only as good as their network of AIS receiving stations. In many cases enthusiasts/volunteers operate these. In some areas the coverage is great but there are definitely “holes” in coverage.

• 0.75m Power & NMEA0183 Data cable
• 0.75m USB cable
• 0.75m NMEA2000 drop cable
• GPS Antenna and 10m cable

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Korolyov or Korolev is an industrial city in Moscow Oblast, Russia, well known as the cradle of Soviet and Russian space exploration. As of the 2010 Census, its population was 183,402, the largest as a science city. As of 2018, the population was more than 222,000 people. It was known as Kaliningrad from 1938 to 1996 and served as the leading Soviet center for production of anti-tank and air-defense guns. In 1946, in the aftermath of World War II, the artillery plant was reconstructed for production of rockets, launch vehicles, and spacecraft, under the guidance of Russian scientist and academician Sergei Korolev, who envisioned, consolidated and guided the activities of many people in the Soviet space-exploration program. The plant later became known as the RKK Energia; when the Vostok space vehicle was being developed, this research center was designated as NII-88 or POB 989.

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Wikipedia https://en.wikipedia.org/wiki/Korolyov,_Moscow_Oblast

Official Website http://www.korolev.ru/

Coordinates 55°55'13.763" N 37°49'57.464" E

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