ARLA/CLUSTER: ATV Digital no Reino Unido
João Gonçalves Costa
joao.a.costa ctt.pt
Quarta-Feira, 10 de Março de 2010 - 13:17:23 WET
[http://www.arrl.org/news/stories/2005/08/12/106/ARISS-4143.jpg]
Digital ATV in the UK
Radio Amateurs in the UK are increasingly experimenting with Digital Amateur Television (DATV), Charles G4GUO is one of those.
Charles Brain G4GUO is well-known for his development of Amateur HF Digital Voice in the late 1990's and the PC-ALE software. He is now working on Digital ATV equipment for the Amateur 24cm and 70cm bands.
His 24cm transmitter comprises a Core 2 Quad 2.8 GHz Linux box running the Fedora 12 O/S, a Universal Software Radio Peripheral (USRP2) card developed by Matt Ettus N2MJI and a Hauppauge PVR500 MPEGII encoder card.
The transmit rate is 2 Msps (Mega-Samples Per Second).
On receive he uses a standard Fortec Star DVB-S set top box.
Further information is at
http://g4guo.blogspot.com/2010/03/2-msps-datv-using-usrp2-and-wbx.html
G4GUO Twitter: http://twitter.com/G4GUO/
G4GUO Blog: http://g4guo.blogspot.com/
There are a number of groups around the country running or building DATV repeaters including:
Worthing Video Repeater Group http://www.videorepeater.co.uk/
Home Counties ATV Group http://www.gb3hv.com/
Bournemouth Amateur TV Group (BATG) http://www.gb3sq.org.uk/
More information on DATV is available at M0DTS Digital ATV Pages http://www.m0dts.co.uk/datv.htm
G7LWT Digital ATV Primer http://www.g7lwt.com/datv.html
You can join the British Amateur Television Club (BATC) at http://www.batc.org.uk/
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