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# Description
The requirements for the GPS receiver are in the following issues:
1. coloradocube/balloonsat#4
2. coloradocube/balloonsat#12 (also see #8)
3. coloradocube/balloonsat#50
4. colora…
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# Description
Randy Owen said the current balloonsat enclosure (See #39) will not trap the air and insulate the electronics sufficiently for the low temperatures on a high-altitude balloon flight (…
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# Description
The sequence before launch is:
1. 06:00 - All balloonsats at launch site.
2. 07:00 - Balloonsats ready to be put onto flight string. Teams can continue to make last minute flight pr…
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# Description
GPS receivers exported to the US are required to impose limitations on their operation based on the speed and altitude of the utilizing craft. It is possible to work around these limita…
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Mechanical TODOs:
1. 2x 1U CubeSat shells (Feb 19).
2. Internal mounting of PCBs (Feb 19).
3. Mounting of 4 side cameras on 1U CubeSat (Feb 19).
4. Tethering of CubeSats so that: (i) they are no…
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# Description
This primary GPS data source on the RPi is a u-blox M8 module. We have a choice of 2:
1. [MAX-M8Q GNSS HAT](https://www.waveshare.com/max-m8q-gnss-hat.htm).
2. [BerryGPS IMU V4](https…
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# Description
Main flight loop has to be stable and easy to recover. Preferably, multi-threaded (RPi 4 has a quad-core processor). It should integrate all components (see [Deliverables](#deliverabl…
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# Knowledge
1. https://wiki.geekworm.com/X728-Software section FAQ advises to run a script `python3 /home/pi/x728/x728v2-asd.py &`
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# Description
The primary ground communications channel for the balloonsat is the Iridium satellite constellation through the RockBLOCK short-burst-data messaging modules. Since the packet size is …
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# Description
Power a RPI 4 with the EP-0136 UPS PLUS. Load the processor with continuous video capture and storage to SD card. Time the discharge.
# Open questions
1. How can the RPi gracefu…