{"id":3014,"date":"2014-11-26T14:54:52","date_gmt":"2014-11-26T05:54:52","guid":{"rendered":"https:\/\/artsat.jp\/?page_id=3014"},"modified":"2023-03-05T10:24:32","modified_gmt":"2023-03-05T01:24:32","slug":"specification","status":"publish","type":"page","link":"https:\/\/artsat.jp\/en\/project\/despatch\/specification","title":{"rendered":"DESPATCH – Specification"},"content":{"rendered":"

DESPATCH Specifications<\/h1>\r\n
\r\n
NORAD Catalog Number : 40321<\/div>\r\n
Oscar Number \uff1a FO-81<\/div>\r\n
Callsign \uff1a JQ1ZNN<\/div>\r\n
Orbit : Earth escape orbit (Hayabusa-2 H-IIA F26 piggy back)<\/div>\r\n
SpaceCraft Size : 500mm\u00d7500mm\u00d7500mm<\/div>\r\n
Total Mass : 32kg<\/div>\r\n
<\/div>\r\n<\/div>\r\n
\r\n
Communication\/Downlink<\/b><\/div>\r\n
Frequency : 437.325MHz<\/div>\r\n
RF Power : 7W<\/div>\r\n
\r\n\r\nAntenna : quarter-wave monopole\r\n
Modulation : Continuous Wave<\/div>\r\n
\r\n
Beacon Protocol : Morse Code(6WPM), \u00a0Baudot Code(1bps manchester code), PWM(PulseWidth indicates Battery Temperature)<\/div>\r\n<\/div>\r\n
\r\n
\r\nCommunication\/Command Uplink<\/b><\/div>\r\n
Frequency : VHF<\/div>\r\n
Antenna : patch antenna<\/div>\r\n
Modulation : FSK<\/div>\r\n<\/div>\r\n
\r\n
\r\nElectronics<\/b><\/div>\r\n
System power consumption : 13W<\/div>\r\n
Battery : Li-BCX 2500Wh<\/div>\r\n
Battery lifetime : 7days(~3,000,000km, Continues RF Transmission)<\/div>\r\n
Power OBC : PIC16F877<\/div>\r\n
Mission OBC : ATmega2560 (ARDUINO compatible)<\/div>\r\n
Sensor : Temperature sensor 4ch\u30013-axis gyro\u3001RX RSSI<\/div>\r\n<\/div>\r\n
\r\n
Get detailed Technical description >>> DESPATCH Wiki<\/a><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"

DESPATCH Specifications NORAD Catalog Number : 40321 Oscar Number \uff1a FO-81 Callsign \uff1a JQ1ZNN Orbit : Earth esca…<\/p>\n","protected":false},"author":11,"featured_media":0,"parent":1683,"menu_order":0,"comment_status":"open","ping_status":"open","template":"page-project.php","meta":{"footnotes":""},"translation":{"provider":"WPGlobus","version":"2.12.2","language":"en","enabled_languages":["ja","en"],"languages":{"ja":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/pages\/3014"}],"collection":[{"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/comments?post=3014"}],"version-history":[{"count":1,"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/pages\/3014\/revisions"}],"predecessor-version":[{"id":3699,"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/pages\/3014\/revisions\/3699"}],"up":[{"embeddable":true,"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/pages\/1683"}],"wp:attachment":[{"href":"https:\/\/artsat.jp\/en\/wp-json\/wp\/v2\/media?parent=3014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}