Steve Hartley G0FUW presents the Louis Varney Cup to Wouter Weggelaar PA3WEG 2016 – Credit Mike Rupprecht DK3WN
Wouter Weggelaar PA3WEG has retrieved videos of talks given at AMSAT-UK Colloquium 2008-2012 and made them available on YouTube.
The videos were made by members of the British Amateur Television Club (BATC) and stored on the club’s streaming site. Dedicated BATC members have carried out the world-wide streaming and recording of the AMSAT-UK International Space Colloquium since 2007.
Due to lack of source information the descriptions and titles of the videos are not as informative as they should be. Have a search through them and share links with others on Twitter and Facebook.
Watch the videos at https://www.youtube.com/user/AMSATUK/playlists
Colloquium schedules giving speakers names and presentation titles for 2009-2012 are available on the bottom of this page https://amsat-uk.org/colloquium/
Kents Hill Park Conference Centre, Milton Keynes, MK7 6BZ
AMSAT-UK is very happy to announce that the dates of the next AMSAT-UK Colloquium will be October 14-15, 2017.
This year it will be incorporated into the RSGB Convention at the Kents Hill Park Conference Centre, Timbold Drive, Milton Keynes, MK7 6BZ. Exact details are currently being finalised with the RSGB and these will be notified when they are known.
If you have not been to Kents Hill Park before, it is very close to the M1 motorway and is near to Bletchley Park, where RSGB members have free entry. For overseas visitors it is convenient for planes to London Luton Airport (30-minute taxi ride) and also London Gatwick and Birmingham airports, both of which have direct train connections to Bletchley and/or Milton Keynes stations. These stations are approximately 10 minutes away by taxi.
Mamatha R. Maheshwarappa 2E0CZO has released her paper “Improvements in CPU & FPGA Performance for Small Satellite SDR Applications”.
Abstract: The ongoing evolution in constellation/formation of CubeSats along with steadily increasing number of satellites deployed in Lower Earth Orbit (LEO), demands a generic reconfigurable multimode communication platforms. As the number of satellites increase, the existing protocols combined with the trend to build one control station per CubeSat become a bottle neck for existing communication methods to support data volumes from these spacecraft at any given time.
This paper explores the Software Defined Radio (SDR) architecture for the purposes of supporting multiple-signals from multiple-satellites, deploying mobile and/or distributed ground station nodes to increase the access time of the spacecraft and enabling a future SDR for Distributed Satellite Systems (DSS).
Performance results of differing software transceiver blocks and the decoding success rates are analysed for varied symbol rates over different cores to inform on bottlenecks for Field Programmable Gate Array (FPGA) acceleration. Further, an embedded system architecture is proposed based on these results favouring the ground station which supports the transition from single satellite communication to multi-satellite communications.
You can download the PDF of the paper from http://epubs.surrey.ac.uk/812783/
Mamatha worked on the STUDSAT-1, STUDSAT-2 and STRaND-1 satellites which carried amateur radio payloads and was Satellite Officer & Member of the Surrey Electronics and Amateur Radio Society
Christian Jacobs 2E0ICL has released a video of his recent contact with Peter Goodhall 2E0SQL via the new amateur radio FM satellite BY70-1.
The satellite was launched into orbit on December 28, 2016. This is orbit #27.
Watch New FM transponder satellite BY70-1
BY70-1 information https://amsat-uk.org/2016/12/27/by70-1-fm-transponder-satellite/
Christian Jacobs 2E0ICL has also released a video of his recent FM contact via the SO-50 satellite during a recent Summits On The Air (SOTA) activation at Walbury Hill (summit identifier G/SE-001).
A total of 13 contacts were made, mostly on 2m SSB, including some FM satellite working via SO50 with 10 watts to an Arrow dual-band antenna.
Watch Summits on the Air: G/SE-001, Walbury Hill
SO-50 satellite https://amsat-uk.org/satellites/communications/saudi-oscar-50/
BY70-1 FM transponder satellite https://amsat-uk.org/2016/12/27/by70-1-fm-transponder-satellite/
Arrow 2m/70cm dual-band antenna
E-members of AMSAT-UK can now download the Winter edition of OSCAR News here.
In this edition “FUNcube Update” has the latest information on the new Jordanian satellite JY1Sat which will carry a 435/145 MHz amateur radio linear transponder and will transmit images.
The paper edition should be sent to postal members in 2-3 weeks.
In this issue:
• From the Secretary
• 2017 Meetings & Events calendar
• The AMSAT-UK Shop
• A 25MHz reference for ADF4350/4351 based synthesisers
• ISS Packet Digipeater on 437.550 MHz
• Change in AMSAT-UK Membership ‘Rules’
• Orbital Debris
• UK Radio Amateur Receives Sir Arthur Clarke Award
• ARISS International Face to Face Meeting
• AMSAT-NA Space Symposium at Sea
• EO79 FUNcube transponder commences regular operation
• Spacecraft currently active with FM or linear transponders
• HamTV update
• Robin Haighton, VE3FRH – Silent Key
• The “handover” of the ESEO AMSAT payload Engineering Model
• FUNcube (and other projects) update Dec 2016
• Satellite Orbits
AMSAT-UK FUNcube Mission Patch
Membership of AMSAT-UK is open to anyone who has an interest in amateur radio satellites or space activities, including the International Space Station (ISS).
E-members of AMSAT-UK are able to download OSCAR News as a convenient PDF that can be read on laptops, tablets or smartphones anytime, anyplace, anywhere. Join as an E-member at Electronic (PDF) E-membership
PDF sample copy of “Oscar News” here.
Join AMSAT-UK using PayPal, Debit or Credit card at
E-members can download their copies of OSCAR News here.
Pratham satellite in Mumbai Mirror
The Mumbai Mirror reports on the return to life of the Pratham satellite launched on September 26, 2016. Pratham carries an amateur radio payload and was built by students at the Indian Institute of Technology Bombay (IIT-B).
The newspaper says:
After one month of radio silence, the ground station at the Indian Institute of Technology, Bombay, received a signal from Pratham satellite on the morning of December 17, suggesting that it was still alive and kicking. Pratham is the first satellite to be sent into space by an IIT.
The satellite had received signals in the first few weeks after its launch on September 26, this year, but had gone quiet in November, due to technical difficulties, causing team members to worry if it was still operational.
“The fact that we received a signal on Saturday suggests that the satellite has now stabilized and is back to collecting data,” said Ratnesh Mishra, project manager of Pratham. While Mishra says that the incoming signal means that the satellite is functional, data transfer is yet to take place.
Read the full article at http://mumbaimirror.indiatimes.com/mumbai/other/IIT-Bs-satellite-gets-a-signal-from-space/articleshow/56075162.cms
Pratham info https://amsat-uk.org/2016/09/07/pratham-student-satellite/