diff --git a/bridge b/bridge
new file mode 100755
index 0000000..cd569c5
Binary files /dev/null and b/bridge differ
diff --git a/cmd/bridge/ant.go b/cmd/bridge/ant.go
index 888a688..b1b5065 100644
--- a/cmd/bridge/ant.go
+++ b/cmd/bridge/ant.go
@@ -41,7 +41,7 @@ func ListenForTrainer(vendorId uint16, productId uint16, deviceNumber uint32,
 	}
 	defer drv.Close()
 
-	logMsg("device opened")
+	logMsg("ant: device opened")
 
 	if err := resetAndWait(drv); err != nil {
 		panic(err)
@@ -49,12 +49,12 @@ func ListenForTrainer(vendorId uint16, productId uint16, deviceNumber uint32,
 	if err := device.StartRxScanModeWait(drv); err != nil {
 		panic(err)
 	}
-	logMsg("scan mode started")
+	logMsg("ant: scan mode started")
 
 	msgs := make(chan ant.BroadcastMessage, 100)
 	go device.DumpBroadcastMessages(context.Background(), drv, msgs)
 
-	logMsg("listening...")
+	logMsg("ant: listening...")
 	for msg := range msgs {
 		if msg.DeviceNumber() != deviceNumber {
 			logPrintf("Received msg from ignored ant+ device %v\n", msg.DeviceNumber())
diff --git a/cmd/bridge/bluetooth.go b/cmd/bridge/bluetooth.go
index b00788d..3b9bb42 100644
--- a/cmd/bridge/bluetooth.go
+++ b/cmd/bridge/bluetooth.go
@@ -49,7 +49,7 @@ func ExposeBluetooth(events <-chan Event) {
 		ServiceUUIDs: []bluetooth.UUID{bluetooth.New16BitUUID(bleCyclingPowerServiceUUID)},
 	}))
 	must(adapter.DefaultAdvertisement().Start())
-	logMsg("BLE advertising...")
+	logMsg("bt: BLE advertising...")
 
 	var totalRevs float64
 	var lastCompletedRev float64 // time in 1/1024s of last completed revolution
@@ -85,5 +85,5 @@ func ExposeBluetooth(events <-chan Event) {
 		logPrintf("bt: watts: %d  rpm: %.0f  completedRevs: %.0f  lastRevTime: %.0f processingTime: %v\n",
 			watts, rpm, completedRevs, lastCompletedRev, time.Now().Sub(now))
 	}
-	logMsg("BLE advertising stopped")
+	logMsg("bt: BLE advertising stopped")
 }
diff --git a/cmd/bridge/cli.go b/cmd/bridge/cli.go
index eb0cee8..e544106 100644
--- a/cmd/bridge/cli.go
+++ b/cmd/bridge/cli.go
@@ -62,15 +62,15 @@ This allows these trainers to be used with modern devices that don't support ANT
 			c.deviceNumber = uint32(deviceNumber)
 
 			logMsgf("ANT Bridge %s built %s", Version, BuildTime)
-			logMsgf("vendor: 0x%04x/%d", vendorID, vendorID)
-			logMsgf("product: 0x%04x/%d", productID, productID)
-			logMsgf("device: 0x%03x/%d", deviceNumber, deviceNumber)
+			logMsgf("usb: vendor: 0x%04x/%d", vendorID, vendorID)
+			logMsgf("usb: product: 0x%04x/%d", productID, productID)
+			logMsgf("ant: device: 0x%03x/%d", deviceNumber, deviceNumber)
 
 			if err := exec.Command("hciconfig", "hci0", "down").Run(); err != nil {
-				logPrintf("hciconfig down failed: %v\n", err)
+				logPrintf("bt: hciconfig down failed: %v\n", err)
 			}
 			if err := exec.Command("hciconfig", "hci0", "up").Run(); err != nil {
-				logPrintf("hciconfig up failed: %v\n", err)
+				logPrintf("bt: hciconfig up failed: %v\n", err)
 			}
 
 			events := make(chan Event, 1)