Callsign:	JD4099
MMSI number:	431008605
Navigational status:	Under way (engine) (0)
Vessel class:	Tug (52)
Destination:	JP KSM (ETA Feb11 04:00)
Location:	35°55.47' N 140°41.49' E - locator QM05IW21XU - show map - static map 3.8 miles Southeast bearing 137° from Kashima-shi, Ibaraki, Japan [?] 6.6 miles Northeast bearing 39° from Omigawa, Chiba, Japan 58.3 miles East bearing 74° from Tokyo, Tōkyō, Japan 67.4 miles Northeast bearing 60° from Yokohama-shi, Kanagawa, Japan
Last position:	2017-09-19 03:57:36 EDT (7h33m ago) 2017-09-19 16:57:36 JST local time at Kashima-shi, Japan [?]
Course:	082.6° – heading 74°
Speed:	13 MPH
Dimensions:	length 35 m width 12 m draught 3.5 m
Last path:	JD4099>ais via JI1-QOX
Positions stored:	525

callsign		distance	last heard - EDT		callsign		distance	last heard - EDT
DAI38HINODEMARU		514.4 yards 90°	2017-09-14 01:29:15		IKAN JENAHAR		516.3 yards 63°	2017-08-20 23:37:32
CRANE OCEANO		0.3 miles 51°	2017-09-16 19:15:23		KEY ACTION		0.4 miles 256°	2017-09-15 06:56:48
MAYUMI		0.5 miles 47°	2017-09-19 02:01:20		27 KONGOU		0.6 miles 36°	2017-09-14 01:55:18
KAMINE		0.6 miles 15°	2017-09-19 04:38:43		HAGURO		0.6 miles 14°	2017-09-15 06:44:46
MEGAH DELAPAN		0.8 miles 50°	2017-08-23 04:30:53		EAST TRADER		0.9 miles 49°	2017-09-19 03:00:28
NSU ULTIMATE		0.9 miles 50°	2017-09-19 05:28:49		CORSAIR		0.9 miles 79°	2017-09-18 23:55:02
KUNIMI		0.9 miles 243°	2017-09-19 00:45:09		CRANE ARGO		1.0 miles 226°	2017-09-09 04:15:10
PROPANE MARU NO.18		1.0 miles 230°	2017-09-19 03:56:36		APOLLO MIYO		1.0 miles 47°	2017-09-18 16:17:38
SEA SMILE		1.0 miles 251°	2017-08-22 17:43:11		ATLANTIC RUBY		1.1 miles 255°	2017-09-18 20:03:30
C.S. DREAM		1.1 miles 257°	2017-09-18 20:10:32		MUROTO		1.2 miles 261°	2017-09-09 11:28:10

This page shows real-time information collected from the Automatic Position Reporting System Internet network (APRS-IS). APRS is used by amateur (ham) radio operators to transmit real-time position information, weather data, telemetry and messages over the radio. A vehicle equipped with a GPS receiver, a VHF transmitter or HF transceiver and a small computer device called a tracker transmits it's location, speed and course in a small data packet, which is then received by a nearby iGate receiving site which forwards the packet on the Internet. Systems connected to the Internet can send information on the APRS-IS without a radio transmitter, or collect and display information transmitted anywhere in the world.