kopia lustrzana https://github.com/ogre/habdec
Update README.md with graphs
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README.md
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README.md
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@ -14,10 +14,15 @@ Some facts:
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- decodes [SSDV](https://ukhas.org.uk/guides:ssdv) images
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Original motivation for habdec was to have a portable tracking device you could take to a chasecar or into a field.
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Fatty laptop with dl-fldigi, full-fledged SDR app and required internet connection is not too comfortable.
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Ultimatelly habdec is intended for integration into bigger app, probably based on OpenStreetmap and running on portable RaspberryPI or OdroidXU4 [see prototype](https://www.youtube.com/watch?v=ZuoNf171e_A). Right now you can run it on headless board and control from your mobile.
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Ultimatelly habdec is intended for integration into bigger app, based on OpenStreetmap and running on portable RaspberryPI or OdroidXU4 - see [here](https://www.youtube.com/watch?v=ZuoNf171e_A), [here](https://twitter.com/froszu/status/1274308780923269120) or [here](https://twitter.com/froszu/status/1271166163993661440)
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It was successfully used to track and recover several HAB payloads.
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Below is an altitude graph from ARY5 flight - you can see amount of valid telemetry sentences received. One receiver was a stationary antenna, the other is car roof magmount.
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![alt text](./chart_alt_mobile.svg)
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![alt text](./chart_alt_stationary.svg)
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## Getting habdec
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@ -190,7 +195,7 @@ Do not try connecting directly to `http://ip:port ` - habdec is not an HTTP serv
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- Decoding will stop if decimation setting is too low or too high. It was tested to work with stream around 40kHz bandwidth.
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- Automatic Frequency Correction needs more work. Use consciously. dc_remove=on can help if AFC is confused by center spike.
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- Connecting from browser is not very reliable yet, sometimes you need to refresh and wait.
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- habdec was developed and tested with [AirSpy](https://airspy.com/) and [OdroidXU4](http://hardkernel.com/). Support for windows and RtlSdr is less tested.
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- habdec was developed and tested with [AirSpy](https://airspy.com/) and [OdroidXU4](http://hardkernel.com/),[RaspberryPI](http://raspberrypi.org). Support for windows and RtlSdr is less tested.
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## Reporting Problems
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