ÑuSat-1 to Carry AMSAT Argentina Linear Transponder – Launch Scheduled for May 30, 2016

The Argentinian earth observation satellite ÑuSat-1 will carry a linear transponder built by AMSAT Argentina. The satellite is scheduled to launch on a CZ-4B rocket from Taiyuan Satellite Launch Center in China on May 30, 2016 into a 500 km sun-synchronous orbit with an inclination of 97.5 degrees and a Local Time of the Ascending Node (LTAN) of 10:30.

The AMSAT Argentina U/v inverting transponder, named LUSEX, wiil have an uplink of 435.935 MHz to 435.965 MHz and a downlink of 145.935 MHz to 145.965 MHz. Total power output is 250 mW. There will also be a CW beacon at 145.900 MHz with a power output of 70 mW.

For more information, see the AMSAT Argentina Facebook group.

UPDATE:  A website with preliminiary Keplerian elements and further information is now live at http://lusex.org.ar/


The AMSAT Argentina LUSEX transponder board. (Photo courtesy AMSAT Argentina)

LUSEX on  ÑuSat-1 – Launch Scheduled May 30, 2016
Uplink LSB 435.965 MHz through 435.935 MHz
Downlink USB 145.935 MHz through 145.965 MHz
70 mW CW beacon 145.900 MHz

OUFTI-1 D-STAR Repeater Satellite Scheduled for Launch Today

UPDATE: The preliminary keps listed below are incorrect. Use these for the three cubesats until new keps are released.

1 00003U 00001A 16116.99330001 .00000000 00000-0 00000-0 0 0018
2 00003 98.2172 124.4782 0152400 241.4610 358.4169 15.02516156 00011

From Stefan Dombrowski, ON6TI: 

OUFTI-1, the first D-STAR repeater in space, is currently on the launchpad in Kourou, French Guiana. The launch is scheduled for Monday, April 25th at 21:02:11 UTC.

On board this Fregat flight, VS14. are Sentinel-1B, Microscope, Norsat-1 as well as 3 cubesats participating at ESA’s “Fly Your Satellite” programme. Those 3 cubesats are:

AAUSAT-4 is an initiative of the University of Aalborg, Denmark and will have as primary payload an AIS receiver to allow tracking of ships. AAUSAT-4 will transmit on 437.425 MHz using CW and the CSP spacelink format. Further information is available on the homepage http://www.space.aau.dk/aausat4/

e-st@r-II is an initiative of the University of Turin, Italy and will transmit a CW beacon on 437.485 MHz. More information is available at http://www.cubesatteam-polito.com/operations/radio-amateurs/

Finally, OUFTI-1 is a cubesat designed at the University of Liège, Belgium. One of its payloads is a complete D-STAR repeater. The initial mode will be a CW beacon on 145.980 MHz. Technical details and the software to decode its telemetry can be found on http://events.ulg.ac.be/oufti-1/radioamateurs/
The CW beacon will transmit periodically for 2 minutes followed by 1 minute of silence.
The AX25 beacon will be turned on later, once the attitude of the satellite has stabilized.
Following timing is expected on Monday, April 25th:

Launch: 21:02:11 UTC (you can watch this live on http://www.esa.int/spaceinvideos/esalive)
Separation: 23:50:24 UTC
Activation: 00:20:24 UTC (Tuesday)

OUFTI-1 and e-st@r-II will start transmitting just in reach of Mexico. 1st pass over the US will be a few minutes later, covering around 00:32:00 UTC the whole US with a very high elevation. The next pass around 02:00:45 UTC will benefit the western half of the US.

The preliminary TLE’s for all 3 cubesats are

1 99999U 16116.99345058 .00011869 00000-0 69250-3 0 00006
2 99999 098.1425 127.7912 0173917 231.5709 358.3214 15.00025810000019

Reception reports are welcome on the IRC http://webchat.freenode.net/?channels=#cubesat


Facts about Fox-1Cliff and Fox-1D

Did you know that Fox-1Cliff and Fox-1D will be using different camera image resolutions?

While they both have the same model imager and camera system design, the Virginia Tech students decided that they wanted to try a smaller resolution with their camera because of the need to take two quick successive images in order to get the full 640×480 image. This can cause a “distortion” if the subject of the image is moving, as we saw in Fox-1Cliff EM testing.

Continue reading

Video of Fox-1A Deployment from P-POD

A video showing the deployment of Fox-1A from the P-POD aboard the Centaur stage of the NROL-55 launch has been made available.

As each P-POD deployed, the deployment was recorded on video.  The video is only about 3 seconds long, so it goes quickly.  Jerry Buxton, N0JY, edited the video to add a 1/8 speed “slow motion” of the deployment which immediately follows the original in this YouTube video.

Fox-1A was in the bottom position of the P-POD, with BisonSat in the middle and then ARC1 at the top.  You can catch a glimpse of the -Z and -Y faces of the Fox-1A satellite as it quickly disappears into the darkness with BisonSat and ARC1.