Non-working sensors

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City SensorSensors Last Update -
1. Grou Ekemahof before 1592 days  
2. Grou Prinses Beatrixweg before 9 hours  
3. Grou De Foarn before 1269 days  
4. Grou Parallelstraat before 1173 days  
5. Grou Jetsma before 910 days  
6. Grou Meersweg before 315 days  
7. Grou It Roer before 32 days