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KM-Multi 8 and 12 inch totally new models. Announcing a new generation of multi function chart plotters from Onwa Marine Electronics.  To mention just a few of the many features available on these new plotters: NMEA2000 data. NMEA0183 data. Latest NMEA OneNet data system. This is an I.P (Internet Protocol) based system - the same as that used for c..

            Here at Aves Marine we can supply any Onwa spare part that is still in production. As Onwa equipment rarely needs a repair we haven't previously given any real thought to holding spare parts that we are unlikely to ever use. However, from our rare warranty returns we acknowledge that even a superbly reliable product may need the availa..

AIS aerials/ antennas and AIS. AIS and VHF aerials - what's the difference? AIS (Automatic Identification System) is transmitted on two channels at the top of the Marine VHF band, channel 87B and 88B at 161.975 MHz and 162.025 receptively. An AIS aerial will be tuned to precisely operate on these frequencies whilst a standard marine band VHF aerial..

NMEA OneNet - what’s that? NMEA One Net is the new NMEA protocol that Onwa have installed into their latest KM series plotters. It’s an IP (Internet Protocol) system – similar to the way that we send data and information over the ethernet, so it isn’t exactly a brand-new invention but rather a development of one that has been around for a good whil..

Latest KM 8 and 12 inch models Released in 2022, these brand new multi-functional plotters have embraced new technology and now include the new NMEA OneNet data transfer system New Generation KP1299 12.1" plotters Released May 2020 these are the third generation of the 1299 series and available in four versions: KP-1299X this is the top of the Onwa..

Is obsolescence on the cards for NMEA 2000? Announcing a new NMEA protocol incorporated into Onwa KM and 1299 series chart plotters in 2022.  As Onwa plotters become more technically complex with ever more functionality Onwa are looking ahead in their design to a time when so much intercommunicating equipment needs a data communication ..

Onwa GPS chart plotters:   There are four version sizes available, 5 inch, 7 inch , 8 inch and top of the range 12 inch models. Each version in the range is available with or without a Class B+ AIS transceiver. In addition, apart from the KP38 and KP39 models, for each product range a dual frequency fish finder/sounder version is also available. Th..

If you spot an error anywhere or disagree with anything mentioned on this page we will welcome your comments. AIS - a practical explanation for those unfamiliar. AIS (Automatic Identification System) can be thought of as a VHF radar system using 2 channels in the VHF marine band frequencies (161.975 MHz & 162.025 MHz). Designed as a collision avoid..