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-rw-r--r--src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java b/src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java
index 0a2a59e23..7fec0bf8b 100644
--- a/src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java
@@ -237,12 +237,13 @@ public class UlbotechProtocolDecoder extends BaseProtocolDecoder {
case DATA_GPS:
hasLocation = true;
- position.setValid(true);
position.setLatitude(buf.readInt() / 1000000.0);
position.setLongitude(buf.readInt() / 1000000.0);
position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
position.setCourse(buf.readUnsignedShort());
- position.set(Position.KEY_HDOP, buf.readUnsignedShort());
+ int hdop = buf.readUnsignedShort();
+ position.setValid(hdop < 9999);
+ position.set(Position.KEY_HDOP, hdop * 0.01);
break;
case DATA_LBS: