Author Archives: dave

Landing Prediction

As I mentioned in my previous post, I was planning to enable my landing prediction code for my next flight.  This code is based on some work that Steve Randall did a few years ago, but using a slightly different … Continue reading

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Strat The Bat’s Big Adventure

I’ve been a high altitude balloonist for about 6 years, but a fan of Jim Steinman’s music since Bat Out Of Hell hit the world in 1977.  The latter has had something of a renaissance lately with the musical version … Continue reading

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HAB with Calling Mode and 3G Streaming

This, my first flight of the season, will test a few new things: LoRa Calling Mode 3G Modem functions: Upload of balloon position to habitat Upload of full-size photographs to a web server Streaming of launch and landing/recovery to Youtube … Continue reading

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BBC Microbit Balloon Tracker

I’ve been meaning to do this for a while, and a short gap between projects gave me some time to try. The Microbit is (yet another) educational SBC, sitting somewhere between the Codebug and a Raspberry Pi.  Its processor has … Continue reading

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Quick RTL SDR Comparison

As part of a recent project, I’ve used a few different RTL SDR devices, and was surprised how drifty some of them are, one in particular.  For their intended application – decoding wideband transmissions – this isn’t an issue, but if … Continue reading

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Raspberry Pi SSDV with a Compact Camera or SLR

Many HAB flights now use SSDV to transmit images “live” from the balloon down to the ground, using a camera connected to the flight computer, providing an immediacy that is missing when just flying standalone cameras.  Early SSDV flights used … Continue reading

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LoRa PC Gateway

I generally use the Raspberry Pi to receive LoRa transmissions from balloons, and to upload the packets to the HabHub servers.  However it sometimes might be more convenient to use a PC or Mac, or a phone or tablet, for … Continue reading

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One Little Cloud In The Blue Sky

On Saturday I helped with a school launch by Greg Tomlin, who drove here from Coventry with his SKYBLUE payload and a minibus full of excited schoolchildren. It was their first launch, but not Greg’s, as he’d launched twice before … Continue reading

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To Zero, And Beyond

As many reading this will know, I flew the new Pi Zero on the day it was announced, in order to test a prototype of our new PITS-Zero tracker board.  I’d been pleading with Eben since I first saw a … Continue reading

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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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