Comment:	433.000MHz https://aprsdroid.org/
Location:	53°27.50' N 5°38.50' E - lokaator JO23TK79AX - show map 2.1 km Põhja peiling 6° from Hollum, Gemeente Ameland, Friesland, Netherlands [?] 8.9 km Läände peiling 280° from Nes, Gemeente Ameland, Friesland, Netherlands 66.9 km Loodesse peiling 294° from Groningen, Gemeente Groningen, Groningen, Netherlands 130.6 km Põhja peiling 22° from Amsterdam, Gemeente Amsterdam, North Holland, Netherlands
Last position:	2025-08-30 09:09:37 UTC (4d 17h56m ago) 2025-08-30 11:09:37 CEST local time at Hollum, Netherlands [?]
Altitude:	46 m
Position ambiguous:	Precision reduced at transmitter by 2 digits, position resolution approximately 1.9 km.
Device:	Open Source: APRSdroid (app, Android)
Last path:	DH4SAY-10>APDR16 via TCPIP*,qAC,T2FINLAND
Positions stored:	8

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.