VLBI equipment is used to sample and store the received radio signal digitally. This sampling is tightly locked to the pace of an H maser atomic clock at every participating observatory. The resulting multi-gigabit streams of samples are thus ultra stable and can be compared at a correlator to extract the common signal coming from the target of observation.
![VLBI-laitteisto](/sites/g/files/flghsv161/files/styles/medium/public/2018-03/img_0813_3.jpg?itok=ST2A6lS0)
![VLBI-laitteisto](/sites/g/files/flghsv161/files/styles/medium/public/2018-03/img_0851-002_3_0.jpg?itok=dmf8qT_7)
This service is provided by:
Metsähovi Radio Observatory
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