Category: Infrastructure
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Running Polaric Server on Ulari
The “Polaric Server” is mainly a web based service to present live APRS tracking information on maps and where the information is updated in realtime. It is originally targeted for use by radio amateurs in voluntary search and rescue service in Norway. It consists of a web application and a server program (APRS daemon). It…
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Linking Yaesu DR-1X repeaters without expensive hardware
My club has two DR-1X repeaters on the same site. One is on 2 meters, the other on 70 cm. We wanted to link the repeaters together so they would behave as one when needed. There are several complete solutions for this already on the market, and more on the way. Two alternatives we looked at…
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Interfacing the DR-1X Repeater
The documentation for the Yaesu DR-1X repeater has a number of shortcomings. This post will describe my findings so that others may hopefully benefit from my research. In our current application we are interfacing two of these repeaters, each connected to a separate USB sound interface and RS-232 serial port for squelch and PTT signaling. In…
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DACS proof of concept
During the LA8HTH event August 13th-14th 2011 (Ham-treff Helgeland), a bunch of us set out to complete a proof of concept QSO for our DACS project. The DACS project aims to put together a defined set of software and services, and eventually precompiled software for commercial off-the-shelf hardware. The hardware such as smartphones and common…
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Hamlabs is contributing to the APRS community
This week our APRS-IS server became an official member of the aprs2.net system. The APRS Tier 2 network is now represented in one more country, and this contributes to further stability for the APRS-IS system, linking the APRS world together.