diff --git a/src/main/java/ru/r2cloud/jradio/Ax100BeaconSource.java b/src/main/java/ru/r2cloud/jradio/Ax100BeaconSource.java
index f33678f0..1f7a3009 100644
--- a/src/main/java/ru/r2cloud/jradio/Ax100BeaconSource.java
+++ b/src/main/java/ru/r2cloud/jradio/Ax100BeaconSource.java
@@ -12,24 +12,26 @@
 
 public class Ax100BeaconSource<T extends Beacon> extends BeaconSource<T> {
 
+	private static final String DEFAULT_SYNCWORD = "10010011000010110101000111011110";
+
 	private static final Logger LOG = LoggerFactory.getLogger(Ax100BeaconSource.class);
 
 	private final Class<T> clazz;
 
 	public Ax100BeaconSource(ByteInput input, Class<T> clazz) {
-		this(input, 512, "10010011000010110101000111011110", clazz, false, true, true);
+		this(input, 512, DEFAULT_SYNCWORD, clazz, false, true, true);
 	}
 
 	public Ax100BeaconSource(ByteInput input, int beaconSizeBytes, Class<T> clazz) {
-		this(input, beaconSizeBytes, "10010011000010110101000111011110", clazz, false, true, true);
+		this(input, beaconSizeBytes, DEFAULT_SYNCWORD, clazz, false, true, true);
 	}
 
 	public Ax100BeaconSource(ByteInput input, int beaconSizeBytes, Class<T> clazz, boolean forceViterbi, boolean forceScrambler, boolean forceReedSolomon) {
-		this(input, beaconSizeBytes, "10010011000010110101000111011110", clazz, forceViterbi, forceScrambler, forceReedSolomon);
+		this(input, beaconSizeBytes, DEFAULT_SYNCWORD, clazz, forceViterbi, forceScrambler, forceReedSolomon);
 	}
 
-	public Ax100BeaconSource(ByteInput input, int beaconSizeBytes, String accessCode, Class<T> clazz, boolean forceViterbi, boolean forceScrambler, boolean forceReedSolomon) {
-		super(new AX100Decoder(new CorrelateSyncword(input, 6, Collections.singleton(accessCode), (beaconSizeBytes + 3) * 8), forceViterbi, forceScrambler, forceReedSolomon));
+	public Ax100BeaconSource(ByteInput input, int beaconSizeBytes, String syncword, Class<T> clazz, boolean forceViterbi, boolean forceScrambler, boolean forceReedSolomon) {
+		super(new AX100Decoder(new CorrelateSyncword(input, 6, Collections.singleton(syncword), (beaconSizeBytes + 3) * 8), forceViterbi, forceScrambler, forceReedSolomon));
 		this.clazz = clazz;
 	}
 
diff --git a/src/main/java/ru/r2cloud/jradio/suchai2/TelemetryStatus.java b/src/main/java/ru/r2cloud/jradio/suchai2/TelemetryStatus.java
index 00047c8f..9e48e12f 100644
--- a/src/main/java/ru/r2cloud/jradio/suchai2/TelemetryStatus.java
+++ b/src/main/java/ru/r2cloud/jradio/suchai2/TelemetryStatus.java
@@ -31,7 +31,7 @@ public class TelemetryStatus {
 	private long drpMachAction;
 	private long drpMachState;
 	private long drpMachPayloads;
-	private long drpMachStep;;
+	private long drpMachStep;
 
 	public TelemetryStatus() {
 		// do nothing