Source callsign:	N3SBP-S
Comment:	70cm Voice (D-Star) 442.90000MHz +5.0000MHz
Location:	39°23.56' N 76°02.00' W - locator FM19XJ64AF - show map 11.7 km Southeast bearing 135° from Aberdeen Proving Ground, Harford County, Maryland, United States [?] 17.0 km Southeast bearing 120° from Perryman, Harford County, Maryland, United States 51.0 km East bearing 77° from Baltimore, City of Baltimore, Maryland, United States 96.9 km Southwest bearing 230° from Philadelphia, Philadelphia County, Pennsylvania, United States
Last position:	2025-08-05 22:34:37 UTC (19m39s ago) 2025-08-05 18:34:37 EDT local time at Aberdeen Proving Ground, United States [?]
Altitude:	3 m
Last path:	N3SBP-S>APDG01 via TCPIP*,qAC,N3SBP-GS
Positions stored:	758
Others sourced by N3SBP-S:	N3SBP D N3SBP L N3SBP T

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.