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APRS station W4FMD-4 - show graphs
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Comment: QRV 146.79 Fairfax
Mic-E message: In service
Location: 38°53.11' N 77°22.86' W - locator FM18HV42GK - show map - static map
3.0 miles South bearing 158° from Oak Hill, Fairfax County, Virginia, United States [?]
5.8 miles South bearing 177° from Herndon, Fairfax County, Virginia, United States
18.5 miles West bearing 268° from Washington, D. C., Washington, D.C., United States
49.8 miles Southwest bearing 236° from Baltimore, City of Baltimore, Maryland, United States
Last position: 2017-01-18 06:35:36 EST (4h49m ago)
2017-01-18 06:35:36 EST local time at Oak Hill, United States [?]
Altitude: 581 ft
Course: 25°
Speed: 3 MPH
Device: Kenwood: TM-D700 (rig)
Last path: W4FMD-4>S8US1Q via W4VA-10,WIDE1*,WIDE2-1,qAR,W4TTU (good)
Positions stored: 12327
Packet rate: 228 seconds between packets on average during 911 seconds.
Stations near current position of W4FMD-4 - show more
callsign distance last heard - EST      callsign distance last heard - EST
EW73552.6 miles 316°2017-01-18 11:11:59 DW88682.6 miles 331°2017-01-17 21:19:40
N3CLE-92.6 miles 289°2017-01-13 15:26:03 NS5G3.0 miles 136°2017-01-16 18:29:39
KI4STU-93.1 miles 159°2017-01-04 17:14:16 W4MRW-13.5 miles 347°2017-01-04 08:10:09
EW77563.6 miles 93°2017-01-18 11:21:43 DW47483.9 miles 209°2017-01-18 11:12:53
KS1G-44.0 miles 267°2017-01-12 07:30:21 DW40924.1 miles 112°2017-01-18 11:21:59
W4SDM-94.2 miles 15°2017-01-17 08:32:01 K4GTF-94.2 miles 105°2016-12-25 10:52:41
KM4PBD-74.4 miles 212°2017-01-11 18:46:59 WD7RSQ-44.4 miles 354°2017-01-13 10:06:56
KM4HRR-94.6 miles 39°2017-01-17 21:36:56 N5IC-94.6 miles 338°2017-01-18 08:14:14
KM4HRR-i4.7 miles 39°2017-01-17 03:35:25 KM4HRR-74.7 miles 39°2017-01-13 16:46:09
KM4HRR4.7 miles 39°2017-01-16 15:51:05 AK4AG-94.7 miles 16°2016-12-31 08:55:51
Stations which heard W4FMD-4 directly on radio –
callsign pkts first heard - EST last heard longest (tx => rx) longest at - EST
N4TVC 6 2017-01-08 11:25:33 2017-01-16 11:54:46 FM18IU > FM18IS 5.6 miles 139° 2017-01-10 08:04:40
N3HF-1 9 2017-01-07 18:35:38 2017-01-16 12:00:50 FM18IU > FM18GQ 14.6 miles 212° 2017-01-07 18:35:38
KG4URP-1 4 2017-01-16 11:29:37 2017-01-16 11:42:37 FM18IQ > FM18IQ 2.2 miles 284° 2017-01-16 11:32:39
NV4FM-5 27 2017-01-03 10:28:07 2017-01-18 06:20:25 FM18IU > FM18JV 7.0 miles 58° 2017-01-13 10:38:59
KV3B-1 30 2017-01-03 10:25:05 2017-01-16 10:49:31 FM18HU > FM19JE 24.4 miles 16° 2017-01-10 10:57:45
W4TTU 3 2017-01-03 11:25:25 2017-01-18 06:26:29 FM18IU > FM19HB 13.5 miles 348° 2017-01-18 06:26:29
W4VA-10 3 2017-01-13 11:12:05 2017-01-18 06:35:36 FM18HU > FM18BR 27.9 miles 253° 2017-01-13 11:12:05
KK4ZUU 1 2017-01-10 10:54:42 2017-01-10 10:54:42 FM18HU > FM18GT 4.0 miles 245° 2017-01-10 10:54:42

Only position packets which were originated by the station are shown here. The range statistics show some extra long hops, because some digipeaters do not correctly add themselves to the digipeater path. Please check the raw packets.
About this site
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.
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