Answers.Body: <p>Yes, assuming your &quot;square array&quot; is planar, then the vertical angle of the localisation is ambiguous (could be up or down)</p>
  
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Answers.CreationDate: 2022-07-20T08:11:23.493Z
Answers.LastActivityDate: 2022-07-20T08:11:23.493Z
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Body: <p>I am struggling to interpret the output of the ‘Bearing Calculator’ module in PAMGuard using a squared array configuration. I think I understand the primary angle as being right or left (please, correct me if I am wrong), but I am not sure about the secondary angle for this configuration that goes until 90 degrees. Does anyone is familiar with this module and this configuration?</p>
  <p>Here one example of a localised whistle and its bearing output:
  <a href="https://i.sstatic.net/3JdnO.png" rel="noreferrer"><img src="https://i.sstatic.net/3JdnO.png" alt="Localised whistle in PAMGuard using 'Whistle Detector' (WMD) and 'Bearing Calculator' modules." /></a></p>
  <p>Here is a sequence of the same whistle produced around the boat and we can see the animal moving:
  <a href="https://i.sstatic.net/bJyWu.png" rel="noreferrer"><img src="https://i.sstatic.net/bJyWu.png" alt="enter image description here" /></a>
  <a href="https://i.sstatic.net/dIaZE.png" rel="noreferrer"><img src="https://i.sstatic.net/dIaZE.png" alt="enter image description here" /></a>
  <a href="https://i.sstatic.net/lk7XP.png" rel="noreferrer"><img src="https://i.sstatic.net/lk7XP.png" alt="enter image description here" /></a></p>
  
Tags: <pamguard><localisation><array><whistle-moan-detector>
Title: How to interpret the localisation output in PAMGuard using squared array configuration in the 'Bearing Calculator' module?
ThreadText: # How to interpret the localisation output in PAMGuard using squared array configuration in the 'Bearing Calculator' module?
  
  (Asked by: username_0 on 2022-07-07)
  
  I am struggling to interpret the output of the ‘Bearing Calculator’ module in PAMGuard using a squared array configuration. I think I understand the primary angle as being right or left (please, correct me if I am wrong), but I am not sure about the secondary angle for this configuration that goes until 90 degrees. Does anyone is familiar with this module and this configuration?
  
  Here one example of a localised whistle and its bearing output:
  [![Localised whistle in PAMGuard using 'Whistle Detector' (WMD) and 'Bearing Calculator' modules.](https://i.sstatic.net/3JdnO.png)](https://i.sstatic.net/3JdnO.png)
  
  Here is a sequence of the same whistle produced around the boat and we can see the animal moving:
  [![enter image description here](https://i.sstatic.net/bJyWu.png)](https://i.sstatic.net/bJyWu.png)
  [![enter image description here](https://i.sstatic.net/dIaZE.png)](https://i.sstatic.net/dIaZE.png)
  [![enter image description here](https://i.sstatic.net/lk7XP.png)](https://i.sstatic.net/lk7XP.png)
  
  **Tags:** pamguard, localisation, array, whistle-moan-detector
  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2022-07-20. Score: 1
  
  Yes, assuming your "square array" is planar, then the vertical angle of the localisation is ambiguous (could be up or down)
  
  
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