| Navtex For more information, specifications and prices click on an image below |
| Navtex better propagation of radio waves by night much longer distances of 1,000 miles or more better propagation of radio waves by night much longer distances of 1,000 miles or more are not uncommon. No license is required and the information is free to purchasers of suitable equipment. The information is broadcast in English,on 518 kHz, some stations transmit in local language on 490 kHz. transmit in local language on 490 kHz. Coverage It is not intended that the coverage should be global, only that it should operate within range of major ports. For the most part this provides virtually total coverage for coasting yachtsman, although there are still gaps where planned stations do not yet operate, or where major ports are along way apart Message Types & transmission Times All messages are text, there are no weather maps or graphics. The transmissions are broadcast on 518 kHz by timed sequence so that no station will overlap another. This means there will be some delay from switching on the unit to receiving information useful to you, and most units are left on permanently whilst the boat is in commission. You can programm out message types of no interest to you. Each message type is identified by a letter of the alphabet as follows. (A) Navigational Warnings (B) Gale Warnings (C) Ice Reports (D) Search & Rescue Information including Piracy and Armed Robbery Warnings (cannot be rejected by the receiver) (E) Shipping Forecasts (F) Pilot Messages (G) Decca Messages (H) Loran-C Messages (I) Omega Messages (J) Satnav Messages (K) Other Navaid Messages (L) Additional Navigation Warnings (V) Amplifying Navigational Warning information initially announced under "A" |
