Amateur radio, space, technology and other geeky stuff by Alexandru Csete
Video recordings from the 2nd Open Source Cubesat Workshop are now available on YouTube, thanks to Libre Space Foundation. This includes my presentation about the Copenhagen Suborbitals Nexø II rocket cameras and video transmitter, which you can see below.
Continue reading “OSCW 2018: Live video from space using COTS hardware and open source software”
Peter Scott (OZ2ABA) and myself gave a presentation at the 2018 AMSAT UK colloquium about the avionics in the Copenhagen Suborbitals Nexø II rocket. This included the radios and the DVB-S2 video transmitter used on the rocket. A video recording of the presentation is now available on the AMSAT UK YouTube channel, thanks to BATC.
Continue reading “Avionics in the Copenhagen Suborbitals Nexø II rocket”
Here is a video recording of my presentation of the onboard cameras and the video transmitter, given at the Copenhagen Suborbitals Nexø II debriefing event.
Continue reading “Nexø II debriefing: Onboard cameras & the video transmitter”
In my previous post, I posted the raw footage recorded from the Nexø II onboard cameras. These videos give an excellent qualitative indication of how well the video downlink worked. I have now also processed the received telemetry data and have a more quantitative idea of the performance.
In my previous post, you could watch an edited video from the Nexø II onboard cameras. I have now also made the raw footage available on my YouTube channel.
Continue reading “Raw footage from the Nexø II rocket cameras”
During the last year or two, you may have heard me talk about rocketcam or rocket-cameras, teasing with pictures but without providing too many technical details. Actually, it all started with a cryptic tweet I posted on October 23, 2016:
I have a plan. pic.twitter.com/pboLyN4oK6
— Alexandru Csete (@csete) October 23, 2016
Continue reading “Video received from the Nexø II rocket cameras”
A few months ago I started looking at various options for omnidirectional antennas with circular polarization for satellite communications. I came across the TA-1 137 MHz turnstile antenna from Wimo, which looked like an interesting option for a reasonable price.
Continue reading “On-air tests of the Wimo TA-1 turnstile antenna”
