public ObservationPublisherService(IObservationMessageService MessageService)
 {
     this.MessageService = MessageService;
     SleepInterval       = 20;
 }
 public ObservationSubscriberService(IObservationMessageService MessageService)
 {
     this.MessageService             = MessageService;
     MessageService.MessageReceived += MessageService_MessageReceived;
     MessageService.Subscribe("ObservationClient2.OBSERVATION.101");
 }