£69.88
Conventional navtex antennas respond to the electrical component associated with the navtex radio signal. They usually perform well at sea where electrical interference is low but can sometimes be overwhelmed with interference especially when in harbour and connected to shore power.
In most small craft the electrical system acts as an effective ground for the antenna but it can also be a source of interference conducted from other electrical equipment on board. Electrical interference can result in poor reception especially in a marina where the ambient level is high or at sea when poorly suppressed electrical equipment is in use.
The omnidirectional H-Vector antenna is not sensitive to electric fields but to the magnetic component of the navtex signal. As a result it is less sensitive to locally generated interference and, as it does not need a ground, it is not affected by conducted ground interference whether in harbour or at sea.
The net result is that, under adverse conditions, the H-Vector antenna can deliver a significant improvement to navtex reception. The mushroom shaped antenna is compatible with the Clipper navtex, series 2 Target navtex and with the navtex engine. It can be mounted on a cabin roof or rail mounted using an appropriate threaded antenna base.
Customer review:
I am delighted with our new antenna. Our Navtex , normally somnolent in the marina, has burst into life!
Someone asked me recently – why bother with Navtex? My answer was simple. Last year a gale blew up suddenly on the Turkish Aegean coast. The Navtex transmitter at Izmir issued an urgent gale warning out of ‘normal hours’ and it was the only service to do so! For example there was nothing about this gale on PredictWind on our WiFi.
Now had a full month on the boat in Turkey cruising around and am even more delighted than ever with the new antenna!
John E – cruising in Turkey
H Vector Antenna is supplied with a 7 metre cable. It has a standard 1″ 14 T.P.I threaded base and is suitable for any male 1″ 14 T.P.I mount.
Compatible with:
EASY NAVTEX
CLIPPER NAVTEX
PC NAVTEX PRO – All variants
TARGET NAVTEX PRO V2
TARGET NAVTEX PRO PLUS (with keypad control frequency switching)
Note – the antenna mount is not included. There are several options to choose from shown below.
Light and UV resistant, designed for deck or side mounting. It’s made of UV resistant reinforced nylon and allows the antenna to fold down in two ways. 1” x 14 thread.
In stock
Bracket for mounting Navtex and VHF antenna on 25mm rail. Standard 14 tpi marine mount. Solid nylon.
The PA-33 is designed for deck or side mounting, with an opening for a coax cable. It’s made of chrome brass and allows the antenna to fold down in four ways with a quick release. 1” x 14 thread. Supplied with fitting set. Ideal for 2,4 m long antennas.
The PA-3 is designed for deck or side mounting. It’s made of UV resistant reinforced nylon and allows the antenna to fold down in four ways with a quick release. 1” x 14 thread. Supplied with fitting set.
In stock
The AIS Engine 1 and 2 can be upgraded to AIS Engine 3 specification by replacing the processor. This is a straightforward procedure where the old device is simply unplugged from its socket and replaced by the new device. AIS Engine 3 relays all AIS messages.
Dust cover for Clipper Navtex, Weatherman, AIS Radar,
Meteoman and MOBi man overboard indicator.1
Optional cradle mount bracket for Clipper Easy Navtex, Weatherman, AIS Plotter or Meteoman display units.
Panel mount kit for HF3/W and HF3/P receivers,
supplied with external speaker
The AIS Engine 3 is supplied with a free copy of ‘SeaClear’ and a trial version of Software on Board. A data cable to connect to the 9 pin serial port of a PC and a 12 volt power cable
The AIS Engine 3 and a conventional marine antenna are all you need to start plotting vessels on your PC or AIS compatible plotter. The software runs in windows 95, 98, ME, XP, 2000, NT and Vista, it includes a world map on which vessels are plotted. Any vessel on the screen can be selected and its AIS data displayed. This includes the vessels name, MMSI number, position, call sign and destination etc. Also included on the AIS Engine is an optional input for a GPS (RMC sentence). With this connected the users own vessel is shown on the chart with its latitude and longitude displayed in a window.
The unit can receive ships on either the A or B AIS channels. In default setting it alternates between the two channels.
The AIS engine can also be used with plotters or other PC software that have an AIS input facility. Check compatibility with your software supplier. An NMEA 0183HS input at 38,400 baud is required to accept the VDM AIS strings corresponding to ITU-1371.
If your PC does not have a spare 9 pin serial port a low cost serial to USB converter is available as an optional extra.
Supernova lights use high efficiency LEDs ensuring long life and low power consumption. A tough polycarbonate shell protects Supernova from the elements while a Gore-Tex membrane vent ensures equalization of pressure on the seals.
Supplied with mounting bracket.
This ‘do it yourself’ install chip will enhance your AIS Radar by adding the latest SART function. If a SART (search and rescue transponder) transmission is received the AIS Radar will sound an alarm in the SOS tone. The zoom range is also enhanced by zooming right down to 0.125 nautical miles for easier location of the SART beacon/MOB. Additionally a course over ground pointer can be activated by the user which appears if your vessel is moving at 2 knots or more, this greatly simplifies the interpretation of targets on the screen relative to your own boats heading.
The Target Navtex Pro is packed with features yet is still remarkably easy to install and use. Great care has been taken to make this unit very simple to operate, in fact should one lose the comprehensive instruction book supplied with it, it is possible to program the unit via the on-screen menus – it really is that simple. The messages are displayed on a high contrast backlit liquid crystal display with a clear line space between messages to aid location – this is necessary as the unit has a very large memory.
You can be sure you always have up to the minute data as the memory will overwrite the oldest messages if it becomes full. However you can at any time erase the data memory if you wish. It is like a continuous stream of paper – without the mess or expense!
Navtex has come of age, a free worldwide information service in English. A Navtex receiver is a most essential piece of equipment and the Target Navtex Pro is state of the art. This excellent piece of equipment comes complete with its own active aerial and is designed to be left on continuously – consuming a miserly 40mA. Can you afford to be without one?
An excellent website with details of NAVTEX, RTTY and HF radio weather services can be found here: http://weather.mailasail.com/Franks-Weather
The Target Navtex receiver is supplied with – Antenna and 7 metre cable, a power cable, a crade mount bracket and a manual.
