Why are the mobile phone signals from France stronger than UK-based signals?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts
  
  

The White Cliffs Of Dover
Why do French mobile signals overpower UK ones on Dover’s cliffs? Photograph: Ben Pruchnie/Getty Images

Whenever we go for walks on the cliffs between Dover and Deal our phones (which have different servers) assume we are in France and switch to French time. While we would dearly like to be in France, we are actually standing on a UK cliff. Why are the mobile phone signals from France, 26 miles away, stronger than UK-based signals?

Philippa Bridge

Post your answers – and new questions – below or email them to nq@theguardian.com

 

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