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The answer here worked for me:

I.e adding <param name="max_frequency" type="double" value="10" /> allowed me to control the publication frequency of ar_track_alvar.

The answer here worked for me:

I.e adding <param name="max_frequency" type="double" value="10" /> to the node tag in the launch file allowed me to control the publication frequency of ar_track_alvar.

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