Hints for the Telemetry: you need: - videotransmission - data-Transmition Rules: nasa.gov/sites/default/files/files/Rover_AIAA_TELEMETRY-2014.pdf The Teams of the International Space Education Institute (ISEI) are the best teams with a telemetry. They had their first telemetry in 2008. Since this time the system is developed. Since 2012 NASA present the Telemetry Award. Until today no team made a better telemetry than the ISEI-Teams from Germany and Russia. But they have also their problems with the technology. Here you see the histoy: 2008: youtu.be/DPjQ36_FfzU (anyfrog-technology) 2009: youtu.be/MZn_MbiHkYQ (anyfrog-technology) 2013: with arduino-technology spaceeducation.de/en/technical-documentation/328-telemetriesystem-2013.html 2014: with a smartphone-device and live-stream-video overview to the work with students: https://flickr/photos/spaceeducation/collections/72157632903904615/ the technology: We used an anyfrog-modem to split the datas for 1,2k. Then we transmit it with a citizenband-transmission (via APRS standard, AX25 protocol). Later wi added an arduino to splitt more datas and for a logger. This worked very good - but was heavy (from 1-3 kg). At the receiver side we have a regular CB-radio, USB-Soundcard, Packet-Engine and Ui-View software (from ham-radio-people). The software to analyze the datas is programmed in Delphi XE 6. The students have to make everythink by themselfe. The smartphone-stream-technology in 2014 worked not good. Future for 2015: We have a test-device with an: - FPV 5.8G 1W 1000MW Video Audio Transmitter - boarduino - GPS antenna, 3D G sensor, etc. The datas we transmit with the Audiosignal of the Video. We only change the transmitter (frequenz from 27 kHz to 5,8 GHz) and use no modem. Therefore you need to write a programm for the boarduino. So all technology will be under 300 gramm incl.accu. See the pictures of our test-device:
Posted on: Tue, 02 Sep 2014 19:35:51 +0000
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