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# Continuum demo
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This plot was used in the *Zonnekijkdag* livestream from the Dwingeloo Telescope on 5 July 2020. It plots the total intensity of the telescope signal against the separation from the Sun or Cassiopeia A.

The signal is acquired by a GnuRadio flowchart, which dumps two numbers per second to a ZeroMQ socket. The python plotting script reads this number, and acquires the pointing from the telescope (this only updates once per second).

Measurements are written out to a data file, and to an updating plot on the screen.

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Code is pretty ugly, but it did the trick at least once. Improvements welcome.

**Update 2021**: code has been improved to show offsets for several other sources. It was used for many live tours of the telescope. Data published on https://charon.camras.nl/public/continuumdata

For operators: see [handleiding](handleiding.md)