Speaker: Ivo Klinkert PA1IVO

This presentation looks inside the ‘Kettu Multi’ ARDF controller, to explain the technology that is used and how it supports Amateur Radio Direction Finding (ARDF) events. The purpose of the controller is to transform any transmitter into an ARDF transmitter, or any other kind system that requires stand-alone timed transmissions. The presentation explains the calibration of the real-time clock and how it is synchronized with the actual time by the accompanying PC software. Also presented are the various ways to connect the controller to transmitters, the multiple configuration options, and many design decisions of the system. A demonstration setup will be available for those who want to see the system in practice, or want to try to configure the controller themselves. More information about the project, including free documentation and software, can be found at https://ivo.digiterraan.nl/kettu-multi/

Speaker: Kurt Smet ON4CHE

Hoe los je een oud probleem op met nieuwe technologie? Wat gebeurt er als de moderne SDR-technologie de klassieke uitdaging van Amateur Radio Direction Finding aangaat?
Ontdek de reis van een eenvoudig idee naar een high-end ARDF-ontvanger compleet met onverwachte hindernissen, creatieve oplossingen en lessen geleerd. Of je nu van elektronica, radio of innovatie verhalen houdt, deze sessie zal je nieuwsgierigheid aanwakkeren!

Speaker: Waterschoot Luk – ON6WL

Wat is ARDF Gebruikte terminologie Vossenjacht Klassieke methode WLD innovatieve ARDF NextGen Technische opbouw Field set-up Webapplicatie.

Speaker: Manoel Casquilho ON6RF

In recent weeks, TETRA in the open-source community has made leaps and bounds. Open-source, affordable base stations, repeaters are now within grasp. What is this all about? Why even bother with TETRA? This presentation aims to go back to basics, explain what it is, what it’s not, how it comes into the amateur radio world, and what open-source developments have happened in the past years.

Speaker: Johannes Gierlach DJ7LC

The Decentralised Amateur Paging NETwork (DAPNET) is a free, global paging system built and operated by amateur radio enthusiasts. It delivers messages to commercially available POCSAG-compatible pagers tuned to the appropriate frequencies.
Presenting DAPNET 2.0

Speaker: Joel Weyers ON1ICT

Tijdens deze lezing duiken we in de wereld van de SVX-hotspot. We trappen af met een uitleg over wat SVX is en hoe de onderliggende verbindingen werken. Vervolgens maken we de vertaalslag naar de praktijk: welke types hotspots zijn er bruikbaar? We sluiten de sessie af met een stapsgewijze handleiding voor de praktische configuratie, zodat je na afloop precies weet hoe je jouw eigen station optimaal instelt.

Speaker: Jeffrey Roe EI7IRB

DMR is fantastic once you’re using it, but getting started can feel confusing: IDs, talkgroups, codeplugs, hotspots, networks… This session is a practical “how-to” aimed at people who want to get on air without getting lost in the jargon.
I’ll walk through the real process I followed from “DMR newbie” to a working setup, with clear steps and plenty of examples. We’ll cover what you actually need to know to begin (what an ID is, what talkgroups are, and the basics of timeslots/colour codes), then move into a simple end-to-end setup: registering for a RadioID, choosing a network, and getting a handheld programmed and ready. I’ll also demonstrate a typical hotspot setup on a Raspberry Pi (including the common Pi-Star vs WPSD choice), and show how to build a clean, manageable codeplug using Linux-friendly tooling such as qDMR.

Speaker: Okko Ebens PH2CV

Gedurende ca. 45 minuten vertellen de inleiders hoe het radiostation, PI4HAL aan boord ss Rotterdam tot stand gekomen is. Vanuit deze vereniging is de Morse Academy voortgekomen. Deze organisatie stimuleert amateurs de edele kunst van telegrafie/ morse op weer op te pakken of juist aan te leren. De inleiding wordt verzorgd door Peter, PA3FQH en Okko, PH2CV

Speaker: Thierry ON5TE

Nous verrons comment les consommateurs non-linéaires, y compris les notres, polluent la distribution électrique. Nous montrerons comment elles se disséminent et comment les détecter par quelques démos. Divers moyens d’atténuer les conséquences autant que possible seront évoqués. Ceratins cas concrets de l’industrie pourront vous surprendre.

Speaker: Lieven Vanthomme

Mobile Private Networks are dedicated, local cellular networks that allow any organization (Enterprise, Factory, Port, or Campus) to have a reliable, secure and performant mobile network. In this presentation we will introduce the 5G network concepts and architecture including practical examples how to build your own. Finally we will also highlight existing use cases that have been deployed on Private Networks where Telcofan was involved over the last 15 years.

Speaker: Morgan Diepart ON4MOD

Building PCBs is sometimes seen as a cumbersome and difficult task, only accessible to professionals. However the current tools to our disposal have never been cheaper and more accessible. This, in addition with the many benefits printed circuit boards can have compared to other solutions, makes it an important skill in an amateur radio operator toolbox. This interactive talk will guide you through the basic steps to get started with PCB design, providing you with all the resources you need from the design itself up to the production and assembly of the board itself including the choice of components, … . Each step will be explained using examples and lessons learned from experience.

Speaker: BRAMS

BRAMS (Belgian Radio Meteor Stations) is a Belgian network using radio forward scatter
to detect and characterize meteoroids falling into Earth’s atmosphere. The current status
of the network will be described in detail (transmitter, receiving stations, interferometers,
data transfer and access). Recently, the problem of reconstructing the trajectory and
speed of an individual meteoroid using multi-stations BRAMS observations has been solved.
We will emphasize these results and discuss what is coming next.

Speaker: Jurgen Vanhamel ON5ADL

RABSII (Radio Amateur Beacons aboard nanoSatellites for the Investigation of the Ionosphere) is a compact radio-frequency beacon-based instrument developed to measure the sporadic E existence in the ionosphere. Sporadic E plays a critical yet still poorly understood role in radio wave propagation and ionospheric–atmospheric coupling, influencing communication, navigation, and space weather–related phenomena. Despite decades of study, its formation mechanisms, spatial distribution, and temporal variability remain uncertain, largely due to limitations in existing measurement techniques. RABSII targets this gap by using a space-based low-frequency radio amateur beacon system optimized for sporadic E detection. Operating in the 6 m (50 MHz) and 10 m (28 MHz) radio amateur bands, the instrument exploits frequencies that are naturally influenced by ionospheric conditions in the 100–120 km altitude range. By combining a miniaturized multi-beacon transmitter aboard two PocketQube-size satellites of the TU Delft, a globally distributed network of radio amateur receiving stations enables continuous and global monitoring of sporadic E through radio propagation effects One of the primary challenges for RF payloads aboard PocketQubes is antenna implementation. The limited available surface area and internal volume make it difficult to accommodate antennas that are both electrically effective and mechanically reliable. As a result, deployable antenna systems are often required, introducing additional complexity, risk, and design trade-offs. These challenges make antenna deployment a critical subsystem for the overall mission success of RABSII. In this year’s talk, Jurgen Vanhamel (ON5ADL) will dive into different antenna deployment systems considered and developed for the RABSII instrument aboard the Delfi-Twin PocketQube platform. The presentation will cover a range of deployment concepts with a focus on how each approach balances reliability, simplicity, and compatibility with PocketQube constraints. We will discuss the influence of deployment mechanisms on antenna performance, integration complexity, and system robustness. Additionally, the talk will highlight lessons learned from the design, testing, and integration phases, including practical considerations such as stowage efficiency, deployment repeatability, and interaction with other subsystems.

Speaker: Jeffrey Roe EI7IRB

Are you fascinated by space and want to learn how to receive data from satellites and weather probes? Join us in this TinyGS Station Workshop where you’ll build and program your ground station and antenna to receive data from space. This hands-on, beginner-friendly workshop is perfect for anyone interested in radio, electronics, IOT, antenna design, and space exploration.
The workshop does have a cost, but for that, you do get a complete hardware kit to take home.
More information on the workshop and how to register can be found via this link: https://www.eventbrite.ie/e/hamcon-belgium-build-your-own-satellite-ground-station-tickets-1984723385072?aff=erelexpmlt

Speaker: Kristoff Bonne ON1ARF

The SRD (short-range devices) frequency bands, also known as the ISM bands or simply as “433 MHz” or “2.4Ghz”, are one of these “heard about it, …. sounds kind boring” pieces in our technical toolkit that tends to get overlooked, .. although we use it everyday. This presentation will not only give an overview of the different ISM bands, the rules that regulate them and the radio-technology used on those frequencies, but also look at what kind of data is actually send on them. rtl_433 is a software tool to receive and decode information from all kind of devices that use these ISM bands. Using that application, a cheap RTL-SDR dongle and some basic data-analysis, we look at what kind of data you can actually receive on these frequencies, what we can learn from it about our own immediate radio-neighbourhood and the security and privacy issues related to these radio-devices.

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