HORYU-II heard over Africa

The HORYU-2 Team

Nader Omer ST2NH, in grid square KK65gp, has made available a video of HORYU-2 recorded at 2:25 AM Friday Sudan time. The signal received on 437.375 MHz (+/- Doppler shift) was very strong.

In this video the beacon is sending CW and Nader is using manual tracking and manual Doppler correction.

Nader says: Congratulations to the HORYU-2 team

Watch HORYU-II heard over Africa .wmv

AMSAT-UK member Ken Eaton GW1FKY said “The satellite CW was loud and clear with just an Elk Antenna feeding my  Kenwood TS-2000. Congratulations to all concerned with the project and its success”

HORYU-2 Separation Video http://www.uk.amsat.org/7540

HORYU-2 Telemetry Software and Competition http://www.uk.amsat.org/7474

Further information on HORYU-2 is at http://www.uk.amsat.org/7404

Reception by DK3WN in Germany http://www.dk3wn.info/p/?p=27516

HORYU-2 Separation Video

Testing_HORYU-2_Solar_Panels

Testing HORYU-2 Solar Panels

Built by students at the Kyushu Institute of Technology (KIT) the amateur radio satellite HORYU-2 was launched Thursday, May 17 and its 437.375 MHz signal has been heard by radio amateurs around the world. This video shows the deployment of the satellite.

Watch HORYU-2 separation / H-IIAロケット21号機 鳳龍弐号分離

HORYU-2 Telemetry Software and Competition http://www.uk.amsat.org/7474

Further information on HORYU-2 is at http://www.uk.amsat.org/7404

HORYU-2 Telemetry Competition

The amateur radio satellite HORYU-2 was successfully launched on Thursday, May 17 at 1639 UT and its signals have been received by radio amateurs around the world.

Built by students at the Kyushu Institute of Technology (KIT) HORYU-2 is 350 * 310 * 315 mm and has a mass is 7.1 kg. It was launched into a Sun-Synchronous 680 km orbit with an inclination of 98.2°. The TLE’s for tracking are available at http://kitsat.ele.kyutech.ac.jp/Documents/ground_station/TLE.txt

The satellite’s callsign is JG6YBW and radio amateurs are asked to listen for the 437.375 MHz  (+/- 9 kHz Doppler shift) telemetry downlink that will be using 20 wpm Morse Code or 1200 bps AX.25 FSK packet radio.

There will be a monthly competition for those who send data received from the telemetry to the KIT server, via the HORYU-2 telemetry analysis software.

The free HORYU-2 telemetry software and details of the competition can be downloaded from
http://kitsat.ele.kyutech.ac.jp/Documents/information_launch_english.html

Further information on HORYU-2 is at http://www.uk.amsat.org/7404

KIT HORYU-2 Facebook Group https://www.facebook.com/groups/277436165678985/

HORYU-2 CW Telemetry Decoder by DK3WN http://tinyurl.com/SatSoftwareDK3WN/

Satscape satellite tracking software http://satscape.info/satscape/

Live Coverage of HORYU-II Launch May 17

Amateur Radio Satellite HORYU-2

The launch of amateur radio satellite HORYU-2 on Thursday, May 17 at 1639 UT will be broadcast live on the Internet. On the same launch will be the JAXA climate observation satellite SHIZUKU (GCOM-W).

The launch broadcast will commence at 1610 UT and can be seen at http://www.jaxa.jp/countdown/f21/live/index_e.html

Built by students at the Kyushu Institute of Technology (KIT) HORYU-2 is 350 * 310 * 315 mm and mass is 7.1 kg. It will be launched into a Sun-Synchronous 680 km orbit with an inclination of 98.2°.

The satellite’s callsign is JG6YBW and radio amateurs are asked to listen for the 437.375 MHz  (+/- 9 kHz Doppler shift) telemetry downlink that will be using 20 wpm Morse Code or 1200 bps AX.25 FSK packet radio. Details of the telemetry format are available here.

There will be a monthly competition for radio amateurs and listeners who send data received from the telemetry to the KIT server, via the HORYU-2 telemetry analysis software, details here.

The HORYU-2 telemetry software can be downloaded from here and an explanation of the software is here.

Keplerian Two Line Elements (TLEs / KEPS) for new satellites launched in past 30 days
http://celestrak.com/NORAD/elements/tle-new.txt

Amateur satellite Keplerian Two Line Elements (TLEs / KEPS) http://celestrak.com/NORAD/elements/amateur.txt

Among the experiments to be carried out on HORYU-2 are:

HORYU-2 discharge suppression solar cell side

300V power generation in LEO
In recent years, satellite size and power keep increasing. For large space platforms such as a space station, it is necessary to generate and transmit the power at a high voltage to minimize the Joule heating loss or the increase in the cable mass. It has been known that in LEO a solar array with a negative potential of 100 to 200V with respect to the plasma can suffer electrostatic discharge. Because of this, ISS power system was limited to 160V generation and 120V transmission. Generally speaking the transmission power is proportional to the square of the voltage. For a large space platform which requires 1MW-class power, such as a space hotel or a space factory, power generation at a voltage of 300 to 400V is required. The present HORYU-2 mission, 300V power generation in space without any discharge, is the first space environment test of the new technology that will be strongly demanded in near future. Also, as the satellite power employs higher voltage, there will be more demand for spacecraft charging mitigation.

Horyu-2 Structural Thermal Model

Horyu-2 Structural Thermal Model

Demonstration of COTS surface potential meter in space (Trek)
This mission demonstrates a surface potential meter in space. The potential meter has been developed by TREK, Inc. aiming for terrestrial commercial application. It is a contact type potential meter with extremely large input impedance so that the contact does not affect the charging state of the specimen. KIT is currently working with TREK, Inc. to convert the potential meter for extreme environments such as space or plasma processing chamber. The in-orbit demonstration is a part of the joint research program. To put the COTS device on HORYU-2, the electronics board and the consumed power have been reduced significantly.

When HORYU-2 passes through the aurora zone, differential charging may develop between the insulator surface and the satellite chassis. The potential meter will measure the potential of the insulator that is the same material to be used for SCM. The two measurements are compared to validate against each other.

Debris observation with debris sensor
This mission aims at detecting the micro-debris impact on the surface of HORYU-2. Space debris has become a serious threat to satellites in orbit. Observation of micro debris less than 1mm has been very difficult. The debris sensor consists of many conductive thin wired laid down in parallel in the area of 8×8 cm. Upon impact, some of the lines are cut and the resistance becomes infinite.

Taking photographs of the Earth
HORYU-2 aims to take pictures of the Earth using a small CMOS camera. The camera is called SCAMP (Surrey Camera Payload) and was developed by the University of Surrey, a sister university of KIT. SCAMP takes a JPEG format picture of 640×480 pixels. From 700km altitude, one pixel corresponds to 1.6km.

HORYU-2 Launch Information http://kitsat.ele.kyutech.ac.jp/Documents/information_launch_english.html

English language version of HORYU website http://kitsat.ele.kyutech.ac.jp/index_e_new.html

Japanese HORYU website in Google English http://tinyurl.com/HoryuSatellite

KIT HORYU Blog in Google English http://tinyurl.com/HORYU-Blog

Development of High Voltage Technology Demonstration Satellite, HORYU-2
http://kitsat.ele.kyutech.ac.jp/Documents/Nano-satellite-symposium-Final-paper_nishimura.pdf

KIT HORYU-2 Facebook Group https://www.facebook.com/groups/277436165678985/

HORYU-2 Japanese Operating Schedule http://tinyurl.com/HORYU-2-Schedule

HORYU-2 Telemetry Competition http://www.uk.amsat.org/7474

HORYU-2 CW Telemetry Decoder by DK3WN http://tinyurl.com/SatSoftwareDK3WN/

SimpleSatLookDown satellite tracking software http://www.uk.amsat.org/?p=8217

MixW http://mixw.net/

UZ7HO Packet Radio Soundmodem http://wa8lmf.net/miscinfo

AGWPE Soundcard packet download page http://www.sv2agw.com/downloads/

Sound Card Packet Guide by Ralph Milnes KC2RLM
http://www.kc2rlm.info/soundcardpacket/

Sound card Interface http://www.southgatearc.org/articles/g0ftd/data_dummy_interface.htm

UISS Windows AX.25 Packet Software http://users.belgacom.net/hamradio/uiss.htm

DK3WN satellite decode software http://tinyurl.com/SatSoftwareDK3WN/

16 Japanese Educational Satellites to be Launched

Kibo Robot Arm CubeSat Deployment

Kibo Robot Arm CubeSat Deployment

Sixteen educational satellites are under construction in Japan. The first should be launched in May 2012 followed by the others over the next two years.

Horyu-2 Structural Thermal Model

HORYU-2 Structural Thermal Model

The first to launch is the amateur radio satellite HORYU-2 built by students at the Kyushu Institute of Technology (KIT). The launch is on a Japanese H-IIA rocket planned for May 17 at 1639-1642 UT.

The mission aims to take pictures of the Earth using a small CMOS camera SCAMP (Surrey Camera Payload) developed by the University of Surrey, a sister university of KIT. SCAMP takes a 640×480 pixel picture in a JPEG format. From 700 km altitude, one pixel corresponds to 1.6 km.

HORYU-2 will be followed in July by the launch of the HTV3 to the International Space Station (ISS). This will deliver the JEM-Small Satellite Orbital Deployer (J-SSOD) along with the Japanese CubeSats WE-WISH, FITSAT-1 and RAIKO. These CubeSats should be deployed from the ISS in September using the Japanese Experiment Module (JEM) robot arm.

Takushi Tanaka JA6AVG and FITSAT

Takushi Tanaka JA6AVG and FITSAT

FITSAT-1, also known as NIWAKA, will use a neodymium magnet for attitude control. It has multiple downlinks, CW on 437.250 MHz, AX.25 on 437.445 MHz and a 4 watt high speed data transmitter on 5840 MHz capable of sending a 640 by 480 VGA JPEG image in 6 seconds.

In addition it carries high power LEDs that will be driven with 100W pulses to produce extremely bright flashes. These, it is hoped, will be observable by the unaided eye or with small binoculars. Both the 5840 MHz and optical downlinks have a high power consumption so it may be that they are only activated over Japan.

In December TSUBAME is planned to be launched on a H-IIA. It aims to have a CW beacon on 437.250 MHz and AX.25 1200/9600bps telemetry on 437.505 MHz.

The satellite blog run by Mineo Wakita JE9PEL is a good source of information on Japanese satellites, see http://tinyurl.com/JE9PEL-Satellite-Blog

The satellite blog of Nader Omer ST2NH contains a summary of Mineo’s information which is reproduced here:

Horyu-2
http://kitsat.ele.kyutech.ac.jp/what_horyu2_2.html
437.375MHz 1200bps FSK CW
——————————————————————————-

RAIKO
http://www.astro.mech.tohoku.ac.jp/RAIKO/
2U (10 cm by 10 cm by 20 cm)
——————————————————————————-

FITSAT-1
http://www.fit.ac.jp/~tanaka/fitsat.shtml
437.250MHz CW, 437.445MHz FM, 5840.00MHz High speed data
——————————————————————————

WE WISH
http://www.meisei.co.jp/news/2011/0617_622.html
IR pictures of the earth surface with 320×256 pixels
that will be downlinked in approx 110 secs using SSTV.
437.505MHz SSTV, Telemetry, CW

http://www.meisei.co.jp/english/news/2011/0617_636.html (English Version)

—————————————————————————–

STARS-II
http://stars1.eng.kagawa-u.ac.jp/
437.245MHz CW (mother), 437.255MHz CW (daughter)
437.405MHz FM (mother), 437.425MHz FM (daughter)
—————————————————————————-

TeikyoSat
http://sites.google.com/site/spacesystemteikyo/Home/teikyo-sat
—————————————————————————-

Komolebi
http://www.nano-sat.org/shinshu/files/2010shinshu/09_okamoto.pdf
—————————————————————————-

KSAT2
http://leo.sci.kagoshima-u.ac.jp/~n-lab/KSAT-HP/Ksat2.html
—————————————————————————-

INVADER
http://artsat.jp/
—————————————————————————-

OPUSAT
http://www.sssrc.aero.osakafu-u.ac.jp/OPUSAT_home.html
—————————————————————————-

ITF-1
http://yui.kz.tsukuba.ac.jp/
Mission 1 Establish human network by amateur satellite
Mission 2 Prove the ability of the micro engineered 1/20 wavelength small antenna
Mission 3 Prove the stable operation of FRAM based microcontroller and
other microcontroller in space environment
437.425 MHz
—————————————————————————-

RISING-2
http://www.astro.mech.tohoku.ac.jp/RISING-2/
—————————————————————————-

SPROUT
http://sat.aero.cst.nihon-u.ac.jp/sprout/
—————————————————————————-

UNIFORM-1
http://www.wakayama-u.ac.jp/ifes/news/20120328.html
—————————————————————————-
SOCRATES
http://www.aes.co.jp/company/
—————————————————————————-

TSUBAME
http://lss.mes.titech.ac.jp/ssp/tsubame/
437.505MHz AX.25/SRLL, 9600bps GMSK, 1200bps AFSK
437.250MHz CW
—————————————————————————-

Student High-Voltage Satellite Horyu-2

Horyu-2 Structural Thermal Model

Horyu-2 Structural Thermal Model

The student built amateur radio microsatellite, Horyu-2, featuring a High Voltage (300v) Solar Array experiment and an onboard camera is planned to launch on an H-2A rocket in the Summer.

Built by students at the Kyushu Institute of Technology (KIT) HORYU-2 is 350 * 310 * 315 mm and mass is 7.1 kg. It will be launched into a Sun-Synchronous 680 km orbit with an inclination of 98.2°. The TLE’s for tracking are available at http://kitsat.ele.kyutech.ac.jp/Documents/ground_station/TLE.txt

The satellite’s callsign is JG6YBW and radio amateurs are asked to listen for the 437.375 MHz  (+/- 9 kHz Doppler shift) Morse Code or 1200 bps AX.25 GMSK telemetry downlink.

There will be a monthly competition for those who send data received from the telemetry to the KIT server, via the HORYU-2 telemetry analysis software.

The free HORYU-2 telemetry software and details of the competition can be downloaded from
http://kitsat.ele.kyutech.ac.jp/Documents/information_launch_english.html

Among the experiments to be carried out are:

300V power generation in LEO
In recent years, satellite size and power keep increasing. For large space platforms such as a space station, it is necessary to generate and transmit the power at a high voltage to minimize the Joule heating loss or the increase in the cable mass. It has been known that in LEO a solar array with a negative potential of 100 to 200V with respect to the plasma can suffer electrostatic discharge. Because of this, ISS power system was limited to 160V generation and 120V transmission. Generally speaking the transmission power is proportional to the square of the voltage. For a large space platform which requires 1MW-class power, such as a space hotel or a space factory, power generation at a voltage of 300 to 400V is required. The present HORYU-2 mission, 300V power generation in space without any discharge, is the first space environment test of the new technology that will be strongly demanded in near future. Also, as the satellite power employs higher voltage, there will be more demand for spacecraft charging mitigation

Demonstration of COTS surface potential meter in space (Trek)
This mission demonstrates a surface potential meter in space. The potential meter has been developed by TREK, Inc. aiming for terrestrial commercial application. It is a contact type potential meter with extremely large input impedance so that the contact does not affect the charging state of the specimen. KIT is currently working with TREK, Inc. to convert the potential meter for extreme environments such as space or plasma processing chamber. The in-orbit demonstration is a part of the joint research program. To put the COTS device on HORYU-2, the electronics board and the consumed power have been reduced significantly.

When HORYU-2 passes through the aurora zone, differential charging may develop between the insulator surface and the satellite chassis. The potential meter will measure the potential of the insulator that is the same material to be used for SCM. The two measurements are compared to validate against each other.

Debris observation with debris sensor
This mission aims at detecting the micro-debris impact on the surface of HORYU-2. Space debris has become a serious threat to satellites in orbit. Observation of micro debris less than 1mm has been very difficult. The debris sensor consists of many conductive thin wired laid down in parallel in the area of 8×8 cm. Upon impact, some of the lines are cut and the resistance becomes infinite.

Taking photographs of the Earth
This mission aims at taking the pictures of the Earth using a small CMOS camera. The camera called SCAMP (Surrey Camera Payload). It was developed by University of Surrey, a sister university of KIT. SCAMP takes a picture in a JPEG format of 640×480. From 700km altitude, one pixel corresponds to 1.6km.

Horyu website in Google English http://tinyurl.com/HoryuSatellite

Development of High Voltage Technology Demonstration Satellite, HORYU-2
http://kitsat.ele.kyutech.ac.jp/Documents/Nano-satellite-symposium-Final-paper_nishimura.pdf