diff --git a/src/blackcore/context_network_impl.h b/src/blackcore/context_network_impl.h
index 8e182d419..9fdc2f203 100644
--- a/src/blackcore/context_network_impl.h
+++ b/src/blackcore/context_network_impl.h
@@ -154,8 +154,8 @@ namespace BlackCore
         INetwork::ConnectionStatus m_currentStatus; //!< used to detect pending connections
 
         BlackMisc::CDigestSignal m_dsAtcStationsBookedChanged { this, &IContextNetwork::changedAtcStationsBooked, &IContextNetwork::changedAtcStationsBookedDigest, 750, 2 };
-        BlackMisc::CDigestSignal m_dsAtcStationsOnlineChanged { this, &IContextNetwork::changedAtcStationsOnline, &IContextNetwork::changedAtcStationsOnlineDigest, 750, 2 };
-        BlackMisc::CDigestSignal m_dsAircraftsInRangeChanged { this, &IContextNetwork::changedAircraftsInRange, &IContextNetwork::changedAircraftsInRangeDigest, 750, 2 };
+        BlackMisc::CDigestSignal m_dsAtcStationsOnlineChanged { this, &IContextNetwork::changedAtcStationsOnline, &IContextNetwork::changedAtcStationsOnlineDigest, 750, 4 };
+        BlackMisc::CDigestSignal m_dsAircraftsInRangeChanged { this, &IContextNetwork::changedAircraftsInRange, &IContextNetwork::changedAircraftsInRangeDigest, 750, 4 };
 
         // for reading XML and VATSIM data files
         CVatsimBookingReader  *m_vatsimBookingReader;
diff --git a/src/blackmisc/digestsignal.cpp b/src/blackmisc/digestsignal.cpp
index 6f0ccaf0e..d90f2824a 100644
--- a/src/blackmisc/digestsignal.cpp
+++ b/src/blackmisc/digestsignal.cpp
@@ -14,11 +14,7 @@ namespace BlackMisc
 
     void CDigestSignal::ps_inputSignal()
     {
-        if (m_timer.isActive())
-        {
-            m_timer.start();
-        }
-
+        m_timer.start(); // start or restart
         m_inputsCount++;
         if (m_inputsCount >= m_maxInputsPerDigest)
         {