public async Task DispatchCoordinatesForPortableSensorAsync(int sensorId, double latitude, double longitude)
 {
     await _portableSensorHubContext.Clients.Group(AdminPortableSensorHub.PortableSensorGroup(sensorId)).DispatchCoordinatesAsync(new PortableSensorCoordinatesDispatchModel
     {
         Latitude  = latitude,
         Longitude = longitude
     });
 }
 public async Task DispatchReadingsForPortableSensorAsync(int sensorId, Reading reading)
 {
     await _portableSensorHubContext.Clients.Group(AdminPortableSensorHub.PortableSensorGroup(sensorId)).DispatchReadingAsync(_mapper.Map <Reading, PortableSensorReadingsDispatchModel>(reading));
 }