Tag Archive: ARISS

Feb 13

FX0ISS-F4KJT ARISS-Europe HamTV demo successful

The ARISS contact between Collège Andre Malraux, Chatelaillon-Plage F4KJT and Thomas Pesquet KG5FYG/FX0ISS Mon 2017 feb 13 14:00:35 UTC 67 deg, was successful with 19 questions answered, the HamTV downlink was streamed on the new BATC merger facility, so the students, professors, public and media were totally impressed by the event. Live HamTV on 2395Mhz. …

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Feb 02

ARISS contact with schools in Danbury, CT via ON4ISS

A telebridge connection with OR4ISS via ON4ISS (Aartselaar, Belgium) with students at the South Street School and Westside Middle School in Danbury CT, USA, was successful Thu 2017-02-02 18:49:14 UTC 80 deg. Astronaut Shane Kimbrough, KE5HOD answered all 20 questions. There were 200 students in the gym and the audio was streamed to the other schools in the system …

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Jan 12

Combined ARISS contact in Gembloux & Transinne

The ARISS contact Thursday January 12, 2017 at 13:47 UTC of Thomas Pesquet with 3 schools in Belgium was a success. The amateur radio contact was a telebridge connection with NA1SS via K6DUE (Maryland, USA). The participants schools to this ARISS contact are: – Saint-Guibert College (students at their college in Gembloux) – Kindergarten and primary …

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ARISS HamTV Minitiouner

Following the successful inaugural use of HamTV during ARISS Scheduled Contacts in the UK with ESA Astronaut Tim Peake, there has been much interest in radio amateurs establishing their own HamTV station. Jean-Pierre Courjard, F6DZP, designer and implementer of the successful Tutioune series of software created a new USB connected DATV decoder and related software …

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European chained HamTV ground stations

To provide 10 minutes of HamVideo reception, a chain of ground stations located along the pass of the ISS footprint, is needed. In Europe, the following stations participate to this chain: For descending passes: EI9FHB, Cork, Ireland F6DZP, Poitiers, France IK1SLD, Casale Monferrato, northern Italy IZ7EVR, southern Italy (not operational) On the world map, one …

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Ancillary software

Jean-Pierre Courjaud F6DZP wrote software to facilitate antenna setup and WiFi interference observation. The Noise Power Measuring tool (NPM) can be used to measure the sun noise on S-band. A special version of Orbitron/whispDDE sends commands to the azimuth and elevation motors, providing offsets  from minus 10° to plus 10° from the sun coordinates. The …

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Tutioune 1600 receiving software

Jean-Pierre Courjaud F6DZP wrote dedicated software for the reception of HamVideo signals. The Tutioune 1600 software commands the TT S2-1600 PCI card and handles the transport stream. In ISS mode it also adds the missing DVB tables. The program not only delivers video and audio, but also provides technical parameters such as RF power and …

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HamTV reception with TT S2-1600 PCI card

Since 2014, ground stations have used the Techno Trend TT S2-1600 PCI card for reception of the DATV signals transmitted by the HamVideo transmitter. This card is not produced anymore, but some are offered for purchase on Ebay. The TT S2-1600 PCI card comprises: a zero tuner a QPSK DVB-S demodulator a Transport Stream to …

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HamTV Home Page

HamTV Overview HamTV Power Levels HamTV reception with TT S2-1600 PCI card Tutioune receiving software Ancillary software European chained HamTV ground stations HamTV Minitiouner

HamTV Power Levels

The HamVideo power levels in the table at the bottom of this page result from worst case computations, intended for the  evaluation of system efficiency. See Link budget computation by I0KPT. As shown in fig 2, the ISS orbits at about 400km above the surface of the earth. That is the distance between the ISS …

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