Station info for W4TTU-10 – aprs.fi

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APRS igate – Statistics for 2025-10:
Comment:	18.5V 97F
Location:	39°02.63' N 77°22.47' W - locator FM19HB50BM - show map 3.4 km East bearing 85° from Countryside, Loudoun County, Virginia, United States [?] 3.6 km East bearing 79° from Dulles Town Center, Loudoun County, Virginia, United States 33.6 km Northwest bearing 300° from Washington, D. C., Washington, D.C., United States 71.2 km West bearing 248° from Baltimore, City of Baltimore, Maryland, United States
Last position:	2025-10-28 23:01:02 UTC (5h58m ago) 2025-10-28 19:01:02 EDT local time at Countryside, United States [?]
Device:	Argent Data Systems: OpenTracker (tracker)
Last path:	W4TTU-10>APOT30 via qAR,KF4JOZ
Positions stored:	196
Other SSIDs:	W4TTU-2 W4TTU-7 W4TTU-1 W4TTU-9 W4TTU-11 W4TTU
Stations heard directly:	40 on radio path – show map
Last heard a station directly:	2025-10-29 04:59:30 UTC (11s ago)
Normal receiver range estimate:	600 km (Updated: 2025-10-29 03:03:01 UTC)
Position packets heard directly:	4708 on radio path
Position packets sent to APRS-IS:	9233 – show map

callsign		pkts	first heard - UTC	last heard	longest	(tx => rx)	longest at - UTC

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.

callsign		pkts	first heard - UTC	last heard	longest	(rx => tx)	longest at - UTC

Only stations from which a position packet has been heard 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.

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.