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SDK to access SondeHub open data, and helpers for uploading telemetry.

Project description

SondeHub (and SondeHub-Amateur) Python Library

This repository contains:

  • A uploader class for submitting high-altitude balloon telemetry data to SondeHub-Amateur
  • A simple realtime streaming SDK for the V2 API (both radiosondes, and amateur balloons).


You can often find us in the #highaltitude IRC Channel on Libera Chat.


This library is available via pypi, and can be installed into your Python environment using:

pip install sondehub

Submitting Telemetry to SondeHub-Amateur

A guide on using the SondeHub-Amateur uploader class is available here

Streaming Telemetry Data

sondehub.Stream(sondes=["serial number"], on_message=callback)

If no sondes list is provided then all radiosondes will be streamed.

On message callback will contain a python dictonary using the Universal Sonde Telemetry Format


Adds or removes a radiosonde from the filter

Data license

Data is provided under the Creative Commons BY-SA 2.0 license.

Example Usage

import sondehub

def on_message(message):

test = sondehub.Stream(sondes=["R3320848"], on_message=on_message)
#test = sondehub.Stream(on_message=on_message)
while 1:

Advanced Usage

Manual usage of the Paho MQTT network loop can be obtained by using the loop, loop_forever, loop_start and loop_stop functions, taking care to ensure that the different types of network loop aren't mixed. See Paho documentation here.

test = sondehub.Stream(on_message=on_message, sondes=sondes, auto_start_loop=False)

CLI Usage

Live streaming data

# all radiosondes
# single radiosonde
sondehub --serial "IMET-73217972"
# multiple radiosondes
sondehub --serial "IMET-73217972" --serial "IMET-73217973"
#pipe in jq
sondehub | jq .
  "subtype": "SondehubV1",
  "temp": "-4.0",
  "manufacturer": "SondehubV1",
  "serial": "IMET54-55067143",
  "lat": "-25.95437",
  "frame": "85436",
  "datetime": "2021-02-01T23:43:57.043655Z",
  "software_name": "SondehubV1",
  "humidity": "97.8",
  "alt": "5839",
  "vel_h": "-9999.0",
  "uploader_callsign": "ZS6TVB",
  "lon": "28.19082",
  "software_version": "SondehubV1",
  "type": "SondehubV1",
  "time_received": "2021-02-01T23:43:57.043655Z",
  "position": "-25.95437,28.19082"

Downloading data

sondehub --download S2810113

Open Data Access

A basic interface to the Open Data is a available using, datetime_prefix=). When using datetime_prefix only summary data is provided (the oldest, newest and highest frames)

import sondehub
frames ="2018/10/01")
frames ="serial")

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