27 september the HamTV on Space Station ISS return on-air !

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yesterday an unexpected and unexpected (no school or anything else)

TEST on video by Paolo in the ISS with Francesco and Claudio SLD On the ground.

the whole of September 27 at 21:09, so since yesterday HamTv is active

and in operation for the next activities!

The TX site in the European COLUMBUS module transmits in DVB-S between 2.3 - 2.4 Ghz

I attach the screenshot of her video test to the side of her

the blanket of the ARI association ..... a real ham-radio on space, hi great Paolo !!!!

(see the photo on my Facebook group )

73 de IW2BSF - Rudy

For these and more info about Paul and his radio and tv contacts in the group on FB

Paolo Nespoli OR4ISS and the ISS , here :

IW2BSF – Thu, 2017 – 09 – 28 15:22

info

more info of HamTV system on the ISS :

HamTv data:

Downlink frequencies: 2.422 GHz, 2.437 GHz

Contingency frequencies : 2.369 GHz, 2.395 GHz

DVB-S like signal (without PMT tables)

Symbol rates: 1.3 Ms/s, 2.0 Ms/s
FEC : ½
Video PID = 256
Audio PID = 257

Antennas: ARISS 41 and ARISS 43 patch antennas on the nadir of Columbus

RF radiated power : approximately 10 W EIRP

Ham Video operates with a Canon XF-305 camera.

The transmitter is installed in the Columbus module and can transmit DVB-S signals on 2369 MHz, 2395 MHz, 2422 MHz or 2437 MHz at either 1.3 Msps or 2.3 Msps with 10 watts of RF output.

The main mission of HamTV is to perform contacts between the astronauts on the ISS and school students, not only by voice as now, but also by unidirectional video from the ISS to the ground.

In addition to school contacts the equipment is capable of transmitting other pre-recorded video up to 24 hours a day to allow ground stations tuning.

HamVideo is the name of the onboard DATV S-band transmitter. HamTV is the name of the complete system, comprising DATV downlink and VHF voice uplink.

73 de IW2BSF - Rudy

Submitted by IW2BSF on Thu, 2017-09-28 15:23.
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