diff --git a/utils/loc_nmea.cpp b/utils/loc_nmea.cpp
index dd6b1285..558dc65b 100644
--- a/utils/loc_nmea.cpp
+++ b/utils/loc_nmea.cpp
@@ -73,8 +73,6 @@ typedef struct loc_sv_cache_info_s
     float vdop;
 } loc_sv_cache_info;
 
-static loc_sv_cache_info sv_cache_info;
-
 /*===========================================================================
 FUNCTION    loc_nmea_sv_meta_init
 
@@ -92,6 +90,7 @@ SIDE EFFECTS
 
 ===========================================================================*/
 static loc_nmea_sv_meta* loc_nmea_sv_meta_init(loc_nmea_sv_meta& sv_meta,
+                                               loc_sv_cache_info& sv_cache_info,
                                                GnssSvType svType,
                                                bool needCombine)
 {
@@ -498,7 +497,20 @@ void loc_nmea_generate_pos(const UlpLocation &location,
     int utcMinutes = pTm->tm_min;
     int utcSeconds = pTm->tm_sec;
     int utcMSeconds = (location.gpsLocation.timestamp)%1000;
+    loc_sv_cache_info sv_cache_info = {};
 
+    if (GPS_LOCATION_EXTENDED_HAS_GNSS_SV_USED_DATA & locationExtended.flags) {
+        sv_cache_info.gps_used_mask =
+                (uint32_t)locationExtended.gnss_sv_used_ids.gps_sv_used_ids_mask;
+        sv_cache_info.glo_used_mask =
+                (uint32_t)locationExtended.gnss_sv_used_ids.glo_sv_used_ids_mask;
+        sv_cache_info.gal_used_mask =
+                (uint32_t)locationExtended.gnss_sv_used_ids.gal_sv_used_ids_mask;
+        sv_cache_info.qzss_used_mask =
+                (uint32_t)locationExtended.gnss_sv_used_ids.bds_sv_used_ids_mask;
+        sv_cache_info.bds_used_mask =
+                (uint32_t)locationExtended.gnss_sv_used_ids.qzss_sv_used_ids_mask;
+    }
     if (generate_nmea) {
         char talker[3] = {'G', 'P', '\0'};
         uint32_t svUsedCount = 0;
@@ -509,7 +521,8 @@ void loc_nmea_generate_pos(const UlpLocation &location,
         // -------------------
 
         count = loc_nmea_generate_GSA(locationExtended, sentence, sizeof(sentence),
-                loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_GPS, true), nmeaArraystr);
+                        loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_GPS, true),
+                        nmeaArraystr);
         if (count > 0)
         {
             svUsedCount += count;
@@ -522,7 +535,8 @@ void loc_nmea_generate_pos(const UlpLocation &location,
         // -------------------
 
         count = loc_nmea_generate_GSA(locationExtended, sentence, sizeof(sentence),
-                loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_GLONASS, true), nmeaArraystr);
+                        loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_GLONASS, true),
+                        nmeaArraystr);
         if (count > 0)
         {
             svUsedCount += count;
@@ -535,7 +549,8 @@ void loc_nmea_generate_pos(const UlpLocation &location,
         // -------------------
 
         count = loc_nmea_generate_GSA(locationExtended, sentence, sizeof(sentence),
-                loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_GALILEO, true), nmeaArraystr);
+                        loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_GALILEO, true),
+                        nmeaArraystr);
         if (count > 0)
         {
             svUsedCount += count;
@@ -548,7 +563,8 @@ void loc_nmea_generate_pos(const UlpLocation &location,
         // --------------------------
 
         count = loc_nmea_generate_GSA(locationExtended, sentence, sizeof(sentence),
-                loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_QZSS, false), nmeaArraystr);
+                        loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_QZSS, false),
+                        nmeaArraystr);
         if (count > 0)
         {
             svUsedCount += count;
@@ -559,7 +575,8 @@ void loc_nmea_generate_pos(const UlpLocation &location,
         // ---$PQGSA/$GNGSA (BEIDOU)---
         // ----------------------------
         count = loc_nmea_generate_GSA(locationExtended, sentence, sizeof(sentence),
-                loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_BEIDOU, false), nmeaArraystr);
+                        loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_BEIDOU, false),
+                        nmeaArraystr);
         if (count > 0)
         {
             svUsedCount += count;
@@ -931,13 +948,6 @@ void loc_nmea_generate_pos(const UlpLocation &location,
 
         length = loc_nmea_put_checksum(sentence, sizeof(sentence));
         nmeaArraystr.push_back(sentence);
-
-        // clear the cache so they can't be used again
-        sv_cache_info.gps_used_mask = 0;
-        sv_cache_info.glo_used_mask = 0;
-        sv_cache_info.gal_used_mask = 0;
-        sv_cache_info.qzss_used_mask = 0;
-        sv_cache_info.bds_used_mask = 0;
     }
     //Send blank NMEA reports for non-final fixes
     else {
@@ -995,20 +1005,9 @@ void loc_nmea_generate_sv(const GnssSvNotification &svNotify,
     char sentence[NMEA_SENTENCE_MAX_LENGTH] = {0};
     int svCount = svNotify.count;
     int svNumber = 1;
+    loc_sv_cache_info sv_cache_info = {};
 
     //Count GPS SVs for saparating GPS from GLONASS and throw others
-
-    sv_cache_info.gps_used_mask = 0;
-    sv_cache_info.glo_used_mask = 0;
-    sv_cache_info.gal_used_mask = 0;
-    sv_cache_info.qzss_used_mask = 0;
-    sv_cache_info.bds_used_mask = 0;
-
-    sv_cache_info.gps_count = 0;
-    sv_cache_info.glo_count = 0;
-    sv_cache_info.gal_count = 0;
-    sv_cache_info.qzss_count = 0;
-    sv_cache_info.bds_count = 0;
     for(svNumber=1; svNumber <= svCount; svNumber++) {
         if (GNSS_SV_TYPE_GPS == svNotify.gnssSvs[svNumber - 1].type)
         {
@@ -1078,35 +1077,38 @@ void loc_nmea_generate_sv(const GnssSvNotification &svNotify,
     // ------------------
 
     loc_nmea_generate_GSV(svNotify, sentence, sizeof(sentence),
-            loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_GPS, false), nmeaArraystr);
+            loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_GPS, false), nmeaArraystr);
 
     // ------------------
     // ------$GLGSV------
     // ------------------
 
     loc_nmea_generate_GSV(svNotify, sentence, sizeof(sentence),
-            loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_GLONASS, false), nmeaArraystr);
+            loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_GLONASS, false),
+            nmeaArraystr);
 
     // ------------------
     // ------$GAGSV------
     // ------------------
 
     loc_nmea_generate_GSV(svNotify, sentence, sizeof(sentence),
-            loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_GALILEO, false), nmeaArraystr);
+            loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_GALILEO, false),
+            nmeaArraystr);
 
     // -------------------------
     // ------$PQGSV (QZSS)------
     // -------------------------
 
     loc_nmea_generate_GSV(svNotify, sentence, sizeof(sentence),
-            loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_QZSS, false), nmeaArraystr);
+            loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_QZSS, false), nmeaArraystr);
 
     // ---------------------------
     // ------$PQGSV (BEIDOU)------
     // ---------------------------
 
     loc_nmea_generate_GSV(svNotify, sentence, sizeof(sentence),
-            loc_nmea_sv_meta_init(sv_meta, GNSS_SV_TYPE_BEIDOU, false), nmeaArraystr);
+            loc_nmea_sv_meta_init(sv_meta, sv_cache_info, GNSS_SV_TYPE_BEIDOU, false),
+            nmeaArraystr);
 
     EXIT_LOG(%d, 0);
 }