Author Archives: dave

Birthday Balloon

This was my second test flight of my 868MHz LoRa fast SSDV (Slow Scan Digital Video) software, to celebrate my 58th flight and 56th birthday. Fixes I made some changes to fix some issues with the previous test flight: Set … Continue reading

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Fast HAB Imaging

It’s now quite common for high altitude balloon flights to send down live images during the flight, as well as the usual telemetry.  However data rates from balloons are rather low, so each image can take several minutes to send even for … Continue reading

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Portable LoRa Gateway

This is a packaged version of my LoRa gateway, for use when chasing high altitude balloons.  Based a a Pi V2 and official Pi screen, it currently features: Receipt and upload of LoRa telemetry messages to http://tracker.habhub.org/ Receipt and upload of … Continue reading

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Astro Pi Flight – Update

I’ve made some progress on my “tweet uplink” software, and now all stages in the process are fully automated except for a required manual approval step, in case anyone tries to spam the flight! The key new element is a … Continue reading

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Tweeting Above The Clouds

Following my recent successful test of balloon-to-balloon communications, I had the idea of uploading messages from the ground to a balloon (via LoRa radio), and then have those messages displayed on the LED matrix of an “Astro Pi” Sense HAT, … Continue reading

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LoRa LoRa Packets

One of the reasons for me experimenting with LoRa modules was that they are transceivers and should allow uplinks from the ground to a balloon, or communications between balloons.  Uplinks I will try on another flight, but for now I’m … Continue reading

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Raspberry Pi “Skycademy”

If you … Are a teacher or youth leader (e.g. scout group) Are interested in applications for the Raspberry Pi Would love to help your class or group send a weather balloon into the stratosphere and take live images throughout … Continue reading

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LoRa Calling Channel and Auto-Tune

When used for tracking high altitude balloons, LoRa has the potential for a receiver to be set up unattended on a permanent basis, but only if it can automatically set itself to the correct frequency, bandwidth and other settings for each … Continue reading

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Raspberry Pi Weather Station

I’ve recently put my Maplin weather station back online, feeding data to wunderground.com.  This is a live object that links to the site to show the current local weather conditions: I bought mine from Maplin, where it is currently £99.99, … Continue reading

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Partial Eclipse From Afar

Back in December I was approached by the BBC about launching a high altitude weather balloon flight during the forthcoming solar eclipse which was total over the Faroe Islands but approx 85-90% over much of the UK. After some discussion … Continue reading

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