diff --git a/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java b/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java
index 4d66c7b3..13010339 100644
--- a/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java
+++ b/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java
@@ -156,7 +156,7 @@ public LoraResponse stopObservation() {
 				curFrame.setRssi((short) Float.parseFloat(parts[1]));
 				curFrame.setSnr(Float.parseFloat(parts[2]));
 				curFrame.setFrequencyError((long) Float.parseFloat(parts[3]));
-				curFrame.setTimestamp(Long.parseLong(parts[4]));
+				curFrame.setTimestamp(Long.parseLong(parts[4]) * 1000);
 				frames.add(curFrame);
 			}
 			result.setFrames(frames);
diff --git a/src/main/java/ru/r2cloud/satellite/reader/LoraAtReader.java b/src/main/java/ru/r2cloud/satellite/reader/LoraAtReader.java
index 948de741..c3ff003b 100644
--- a/src/main/java/ru/r2cloud/satellite/reader/LoraAtReader.java
+++ b/src/main/java/ru/r2cloud/satellite/reader/LoraAtReader.java
@@ -92,7 +92,7 @@ public IQData start() throws InterruptedException {
 
 	public static RawBeacon convert(LoraFrame frame) {
 		RawBeacon result = new RawBeacon();
-		result.setBeginMillis(frame.getTimestamp() * 1000);
+		result.setBeginMillis(frame.getTimestamp());
 		result.setRawData(frame.getData());
 		RxMetadata meta = new RxMetadata();
 		meta.setFrequencyError((long) frame.getFrequencyError());
diff --git a/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java b/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java
index 62f9c206..05c69ffb 100644
--- a/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java
+++ b/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java
@@ -125,7 +125,7 @@ public void testSuccessStop() {
 		assertEquals(9655, frame.getFrequencyError());
 		assertEquals(-137, frame.getRssi());
 		assertEquals(3.2, frame.getSnr(), 0.0001f);
-		assertEquals(1605980902, frame.getTimestamp());
+		assertEquals(1605980902000L, frame.getTimestamp());
 	}
 
 	@Test