delete if time more than time now > 24 hour

parser/devicePrsInternal.go

@@ -9,6 +9,7 @@ import (
 	"encoding/binary"
 	"fmt"
 	"time"
+	"math"
 	//"encoding/hex"
 	"strconv"
 	"sort"
@@ -320,10 +321,18 @@ func parseData(data []byte, imei uint64, tagOption *opt.Options) (rec DeviceReco
 	  	}
 
 		deviceRecord.TagDevices = tags_
+
+		tstampToNow := time.Since(deviceRecord.Tstamp)
+        hCurr := math.Round(tstampToNow.Hours()*100)/100
+		if hCurr >= -24 {
 			deviceRecords = append(deviceRecords, deviceRecord)
+		}
+		
 
 	}
 
+	rec.NumRec = uint16(len(deviceRecords))
+
 	//sort ascending by date
 	sort.Sort(ByTstamp(deviceRecords))