Source callsign:	SR4DOS
Comment:	438.862MHz DOFF -760 SR4DG
Location:	53°33.00' N 19°56.56' E - locator JO93XN32CA - show map 6.0 miles West bearing 276° from Gierzwałd, Powiat ostródzki, Warmian-Masurian Voivodeship, Poland [?] 8.5 miles East bearing 68° from Lubawa, Powiat iławski, Warmian-Masurian Voivodeship, Poland 76.4 miles Southeast bearing 136° from Gdańsk, Gdańsk, Pomeranian Voivodeship, Poland 88.0 miles Southeast bearing 139° from Gdynia, Gdynia, Pomeranian Voivodeship, Poland
Last position:	2024-12-24 08:00:23 EST (20s ago) 2024-12-24 14:00:23 CET local time at Gierzwałd, Poland [?]
Last path:	SR4DOS>APMI06 via qAO,SP2SJG-4
Positions stored:	2
Others sourced by SR4DOS:	145.625OQ 438.575OQ

callsign		distance	last heard - EST		callsign		distance	last heard - EST
145.625OQ		20.7 yards 0°	2024-12-24 07:40:13		ER-SR4J		31.5 yards 49°	2024-12-24 07:53:37
438.575OQ		60.8 yards 180°	2024-12-24 07:50:18		SR4DOS		70.7 yards 211°	2024-12-24 08:00:09
SP/PO-002		213.9 yards 287°	2024-12-06 05:43:45		SQ5BPD-9		0.8 miles 181°	2024-12-20 08:58:06
439.375LU		8.8 miles 236°	2024-12-24 07:59:44		ER-SR4LU		8.8 miles 236°	2024-12-24 07:21:36
SQ4VW-9		8.9 miles 248°	2024-12-19 14:39:17		SQ4VW-7		8.9 miles 231°	2024-12-18 10:28:58
SQ4VW-D		9.1 miles 231°	2024-12-05 17:41:26		SP4JEU-10		10.0 miles 0°	2024-12-07 09:21:46
SP4O-5		10.1 miles 5°	2024-12-24 07:53:06		ER-SR4OS		10.2 miles 6°	2024-12-24 07:46:07
SP4MCH		12.3 miles 26°	2024-12-21 09:12:49		SP4MCH-18		12.3 miles 26°	2024-12-23 16:50:25
SP4MCH-Y		12.3 miles 26°	2024-12-22 23:15:44		SP4MCH-D		12.3 miles 26°	2024-12-24 07:52:43
SP4I-FM		15.8 miles 344°	2024-12-24 08:00:08		SP4TOM-18		16.0 miles 282°	2024-12-13 12:43:21

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.