diff --git a/core/SystemStatus.cpp b/core/SystemStatus.cpp
index 0624580b..393eead1 100644
--- a/core/SystemStatus.cpp
+++ b/core/SystemStatus.cpp
@@ -1346,6 +1346,9 @@ SystemStatus::SystemStatus(const MsgTask* msgTask) :
 template <typename TYPE_REPORT, typename TYPE_ITEM>
 bool SystemStatus::setIteminReport(TYPE_REPORT& report, TYPE_ITEM&& s)
 {
+    if (s.ignore()) {
+        return false;
+    }
     if (!report.empty() && report.back().equals(static_cast<TYPE_ITEM&>(s.collate(report.back())))) {
         // there is no change - just update reported timestamp
         report.back().mUtcReported = s.mUtcReported;
diff --git a/core/SystemStatus.h b/core/SystemStatus.h
index 2cfb25dc..8ec85fae 100644
--- a/core/SystemStatus.h
+++ b/core/SystemStatus.h
@@ -87,6 +87,7 @@ public:
         return *this;
     }
     virtual void dump(void) {};
+    inline virtual bool ignore() { return false; };
 };
 
 class SystemStatusLocation : public SystemStatusItemBase
@@ -103,7 +104,7 @@ public:
         mLocation(location),
         mLocationEx(locationEx) {}
     bool equals(const SystemStatusLocation& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWM1;
@@ -133,7 +134,7 @@ public:
         mTimeUncNs(0ULL) {}
     inline SystemStatusTimeAndClock(const SystemStatusPQWM1& nmea);
     bool equals(const SystemStatusTimeAndClock& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusXoState : public SystemStatusItemBase
@@ -144,7 +145,7 @@ public:
         mXoState(0) {}
     inline SystemStatusXoState(const SystemStatusPQWM1& nmea);
     bool equals(const SystemStatusXoState& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusRfAndParams : public SystemStatusItemBase
@@ -191,7 +192,7 @@ public:
         mGalBpAmpQ(0) {}
     inline SystemStatusRfAndParams(const SystemStatusPQWM1& nmea);
     bool equals(const SystemStatusRfAndParams& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusErrRecovery : public SystemStatusItemBase
@@ -202,7 +203,8 @@ public:
         mRecErrorRecovery(0) {};
     inline SystemStatusErrRecovery(const SystemStatusPQWM1& nmea);
     bool equals(const SystemStatusErrRecovery& peer);
-    void dump(void);
+    inline bool ignore() override { return 0 == mRecErrorRecovery; };
+    void dump(void) override;
 };
 
 class SystemStatusPQWP1;
@@ -226,7 +228,7 @@ public:
         mEpiSrc(0) {}
     inline SystemStatusInjectedPosition(const SystemStatusPQWP1& nmea);
     bool equals(const SystemStatusInjectedPosition& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWP2;
@@ -248,7 +250,7 @@ public:
         mBestAltUnc(0) {}
     inline SystemStatusBestPosition(const SystemStatusPQWP2& nmea);
     bool equals(const SystemStatusBestPosition& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWP3;
@@ -284,7 +286,7 @@ public:
         mNavicXtraValid(0) {}
     inline SystemStatusXtra(const SystemStatusPQWP3& nmea);
     bool equals(const SystemStatusXtra& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWP4;
@@ -304,7 +306,7 @@ public:
         mQzssEpheValid(0) {}
     inline SystemStatusEphemeris(const SystemStatusPQWP4& nmea);
     bool equals(const SystemStatusEphemeris& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWP5;
@@ -350,7 +352,7 @@ public:
         mNavicBadMask(0) {}
     inline SystemStatusSvHealth(const SystemStatusPQWP5& nmea);
     bool equals(const SystemStatusSvHealth& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWP6;
@@ -362,7 +364,7 @@ public:
         mFixInfoMask(0) {}
     inline SystemStatusPdr(const SystemStatusPQWP6& nmea);
     bool equals(const SystemStatusPdr& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWP7;
@@ -386,7 +388,7 @@ public:
     }
     inline SystemStatusNavData(const SystemStatusPQWP7& nmea);
     bool equals(const SystemStatusNavData& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 class SystemStatusPQWS1;
@@ -400,7 +402,7 @@ public:
         mHepeLimit(0) {}
     inline SystemStatusPositionFailure(const SystemStatusPQWS1& nmea);
     bool equals(const SystemStatusPositionFailure& peer);
-    void dump(void);
+    void dump(void) override;
 };
 
 /******************************************************************************
@@ -759,7 +761,7 @@ public:
     inline bool equals(const SystemStatusTac& peer) {
         return (mValue == peer.mValue);
     }
-    inline void dump(void) {
+    inline void dump(void) override {
         LOC_LOGD("Tac: value=%s", mValue.c_str());
     }
 };
@@ -775,7 +777,7 @@ public:
     inline bool equals(const SystemStatusMccMnc& peer) {
         return (mValue == peer.mValue);
     }
-    inline void dump(void) {
+    inline void dump(void) override {
         LOC_LOGD("TacMccMnc value=%s", mValue.c_str());
     }
 };