Xii

1. PRINCIPLE OF NAVTEX SYSTEM

NAV	Country	Station	Latitude	Longitude	Freq.	Area	Station	Broadcast schedule (UTC)
area	Country	Station	Latitude	Longitude	(kHz)	(nm)	ID	Broadcast schedule (UTC)
area					(kHz)	(nm)	ID

XI	Vietnam	Ho Chi Minh City	10 47 N	106 40 E	518	400	X	0350, 0750, 1150, 1550, 1950, 2350

		Haiphong	20 44 N	106 44 E	490	400	W	0340, 1540

					4209.5	400	W	0230, 0630, 1030, 1430, 1830, 2230
					4209.5	400	W	0230, 0630, 1030, 1430, 1830, 2230

		Danang	16 05 N	108 13 E	518	400	K	0140, 0540, 0940, 1340, 1740, 2140

	Taiwan	Kaohsiung	22 29 N	120 25 E	518	216	P	0230, 0630, 1030, 1430, 1830, 2230

	Associate	Hong Kong	22 13 N	114 15 E	518	400	L	0150, 0550, 0950, 1350, 1750, 2150
	Member of IMO	Hong Kong	22 13 N	114 15 E	518	400	L	0150, 0550, 0950, 1350, 1750, 2150


XII	Canada	Prince Rupert	54 20 N	130 20 W	518	300	D	0030, 0430, 0830, 1230, 1630, 2030

		Tofino	48 55 N	125 35 W	518	300	H	0110, 0510, 0910, 1310, 1710, 2110

	United States	San Francisco	37 55 N	122 44 W	518	350	C	0400, 0800, 1200, 1600, 2000, 2400

		Kodiak	57 46 N	152 34 W	518	200	J	0300, 0700, 1100, 1500, 1900, 2300

		Honolulu	21 22 N	158 09 W	518	350	O	0040, 0440, 0840, 1240, 1640, 2040

		Cambria	35 31 N	121 03 W	518	350	Q	0445, 0845, 1245, 1645, 2045, 0045

		Astoria	46 10 N	123 49 W	518	216	W	0130, 0530, 0930, 1330, 1730, 2130

XIII	Russian	Kholmsk	47 02 N	142 03 E	518	300	B	0010, 0410, 0810, 1210, 1610, 2010
XIII	Federation	Kholmsk	47 02 N	142 03 E	518	300	B	0010, 0410, 0810, 1210, 1610, 2010
	Federation

		Murmansk	68 46 N	32 58 E	518	300	C	0020, 0420, 0820, 1220, 1620, 2020

		Arkhangelsk	64 51 N	40 17 E	518	300	F	0050, 0450, 0850, 1250, 1650, 2050

		Astrakhan	45 47 N	47 33 E	518	250	W	0340, 0740, 1140, 1540, 1940, 2340


XIV					NIL


XV	Chile	Antofagasta	23 40 S	70 25 W	518	300	A	0400, 1200, 2000
XV	Chile	Antofagasta	23 40 S	70 25 W	518	300	H	0000, 0800, 1600
							H	0000, 0800, 1600

		Valparaiso	32 48 S	71 29 W	518	300	B	0410, 1210, 2010
		Valparaiso	32 48 S	71 29 W	518	300	I	0010, 0810, 1610
							I	0010, 0810, 1610

		Talcahuano	36 42 S	73 06 W	518	300	C	0420, 1220, 2020
		Talcahuano	36 42 S	73 06 W	518	300	J	0020, 0820, 1620
							J	0020, 0820, 1620

		Puerto Montt	41 30 S	72 58 W	518	300	D	0430, 1230, 2030
		Puerto Montt	41 30 S	72 58 W	518	300	K	0030, 0830, 1630
							K	0030, 0830, 1630

		Punta Arenas	53 09 S	70 58 W	518	300	E	0440, 1240, 2040
		Punta Arenas	53 09 S	70 58 W	518	300	L	0040, 0840, 1640
							L	0040, 0840, 1640

		Isla de Pascua	27 09 S	109 25 W	518	300	F	0450, 1250, 2050
		Isla de Pascua	27 09 S	109 25 W	518	300	G	0050, 0850, 1650
							G	0050, 0850, 1650


XVI	Peru	Paita	05 05 S	81 07 W	518	200	S	0300, 0700, 1100, 1500, 1900, 2300

		Callao	12 03 S	77 09 W	518	200	U	0320, 0720, 1120, 1520, 1920, 2320

		Mollendo	17 01 S	72 01 W	518	200	W	0340, 0740, 1140, 1540, 1940, 2340

Note: The list shows the stations listed at Longwave Navtex Broadcasts (Oct. 2004).

1-8

NX-700A specifications

The Furuno NX-700A is an advanced navigation system designed specifically for professional mariners and commercial vessels. Known for its robust performance and precision, it integrates state-of-the-art technology to enhance safety and efficiency at sea. One of the most notable features of the NX-700A is its dual-channel frequency system, which allows for improved target detection and tracking capabilities. This dual-channel operation ensures that the system can differentiate between multiple targets, reducing the risk of collisions and enhancing situational awareness.

Another significant aspect of the NX-700A is its high-resolution display. The system is equipped with a large LCD screen that provides clear and detailed graphical representations of surrounding waters, including navigational aids and potential hazards. The intuitive interface allows for easy operation even in challenging conditions, ensuring that crews can concentrate on their primary task: safe navigation.

Further enhancing the usability of the NX-700A is its advanced GPS functionality. The system employs multi-GNSS (Global Navigation Satellite System) technology, enabling it to obtain accurate position fixes from various satellite constellations, including GPS, GLONASS, and BeiDou. This capability ensures that mariners receive reliable positioning data regardless of their location, which is crucial during navigation in remote areas.

The NX-700A also features robust connectivity options, including NMEA 2000 and NMEA 0183 support. This allows the system to interface seamlessly with other onboard equipment, such as autopilots, engine monitoring systems, and electronic chart plotters. Such integration enhances operational efficiency and aids in maintaining a central command point for navigation.

Marine safety is further bolstered with the NX-700A's built-in man-overboard function, which provides rapid and precise positioning information in emergency situations. The system can also store critical navigational data, which can be accessed quickly during emergencies, contributing to enhanced safety protocols on board.

In summary, the Furuno NX-700A is a sophisticated navigation solution that combines high-resolution displays, advanced GPS technology, dual-channel frequency systems, and robust connectivity. Whether used in fishing vessels, cargo ships, or pleasure yachts, the NX-700A stands out as a reliable tool for enhancing maritime safety and navigation efficiency. With its user-friendly interface and essential features, it embodies the modern requirements of marine navigation technology.

NAV

Station

Latitude

area

XIII

XIV

NIL

XVI

NX-700A specifications