diff --git a/README.md b/README.md
index 9a5b7df..e67a2a3 100644
--- a/README.md
+++ b/README.md
@@ -296,6 +296,12 @@ Many thanks to David Brooke for coding this feature and the AFC.
 Change History
 ==============
 
+## 14/9/2023 - V1.10.4
+	Clear InUse flag in SH upload so new telemetry is only uploaded once
+
+## 2/9/2023 - V1.10.3
+	Limit to 5 retries on SH upload
+
 ## 24/8/2023 - V1.10.2
 
 	UKHAS Telemetry is CRC16 checked before being used/uploaded, in addition to the existing LoRa CRC check
diff --git a/gateway.c b/gateway.c
index c7e9b33..4e6f12a 100644
--- a/gateway.c
+++ b/gateway.c
@@ -45,7 +45,7 @@
 #include "udpclient.h"
 #include "lifo_buffer.h"
 
-#define VERSION	"V1.10.3"
+#define VERSION	"V1.10.4"
 bool run = TRUE;
 
 // RFM98
diff --git a/sondehub.c b/sondehub.c
index efa7551..bf3c57f 100755
--- a/sondehub.c
+++ b/sondehub.c
@@ -392,28 +392,38 @@ void *SondehubLoop( void *vars )
 		static long ListenerCountdown = 0;
 		int Channel;
 		
+		// Copy from incoming to active
+		pthread_mutex_lock(&crit); // lock the critical section
 		for (Channel=0; Channel<=1; Channel++)
 		{
 			// Copy new incoming payload, if there is one
 			if (IncomingSondehubPayloads[Channel].InUse)
 			{
-				pthread_mutex_lock(&crit); // lock the critical section
-	
 				// copy from incoming to active
 				memcpy(&ActiveSondehubPayloads[Channel], &IncomingSondehubPayloads[Channel], sizeof(struct TPayload));
 				
-				pthread_mutex_unlock(&crit);   // unlock once you are done
+				IncomingSondehubPayloads[Channel].InUse = 0;
 			}
+		}
+		pthread_mutex_unlock(&crit);   // unlock once you are done
 
+		// Upload from active section
+		for (Channel=0; Channel<=1; Channel++)
+		{
 			// Try to upload active payload, if there is one
 			if (ActiveSondehubPayloads[Channel].InUse)
 			{
-				UploadSondehubPosition(Channel);		// Upload, with limited retries ifd needed
+				ChannelPrintf(Channel, 6, 1, "SH");
+				
+				UploadSondehubPosition(Channel);		// Upload, with limited retries if needed
 				
 				ActiveSondehubPayloads[Channel].InUse = 0;
+
+				ChannelPrintf(Channel, 6, 1, "  ");
 			}
 		}
 		
+		// Listener position uploads
 		if ((Config.latitude >= -90) && (Config.latitude <= 90) && (Config.longitude >= -180) && (Config.longitude <= 180))
 		{
 			if (--ListenerCountdown <= 0)