diff --git a/config_webrx.py b/config_webrx.py
index 3bd92c6..d16b948 100644
--- a/config_webrx.py
+++ b/config_webrx.py
@@ -133,7 +133,8 @@ sdrs = {
                 "rf_gain": 40,
                 "samp_rate": 500000,
                 "start_freq": 14070000,
-                "start_mod": "usb"
+                "start_mod": "usb",
+                "antenna": "Antenna A"
             },
             "40m": {
                 "name":"40m",
@@ -141,7 +142,8 @@ sdrs = {
                 "rf_gain": 40,
                 "samp_rate": 500000,
                 "start_freq": 7070000,
-                "start_mod": "usb"
+                "start_mod": "usb",
+                "antenna": "Antenna A"
             },
             "80m": {
                 "name":"80m",
@@ -149,7 +151,8 @@ sdrs = {
                 "rf_gain": 40,
                 "samp_rate": 500000,
                 "start_freq": 3570000,
-                "start_mod": "usb"
+                "start_mod": "usb",
+                "antenna": "Antenna A"
             },
             "49m": {
                 "name": "49m Broadcast",
@@ -157,7 +160,8 @@ sdrs = {
                 "rf_gain": 40,
                 "samp_rate": 500000,
                 "start_freq": 6070000,
-                "start_mod": "am"
+                "start_mod": "am",
+                "antenna": "Antenna A"
             }
         }
     },
diff --git a/owrx/config.py b/owrx/config.py
index 8fb6513..558e343 100644
--- a/owrx/config.py
+++ b/owrx/config.py
@@ -32,7 +32,7 @@ class PropertyManager(object):
         return PropertyManager.sharedInstance
 
     def collect(self, *props):
-        return PropertyManager(dict((name, self.getProperty(name) if self.hasProperty(name) else Property()) for name in props))
+        return PropertyManager({name: self.getProperty(name) if self.hasProperty(name) else Property() for name in props})
 
     def __init__(self, properties = None):
         self.properties = {}
diff --git a/owrx/source.py b/owrx/source.py
index 3efc7d4..9c41318 100644
--- a/owrx/source.py
+++ b/owrx/source.py
@@ -76,7 +76,7 @@ class SdrSource(object):
         self.props = props
         self.activateProfile()
         self.rtlProps = self.props.collect(
-            "type", "samp_rate", "nmux_memory", "center_freq", "ppm", "rf_gain", "lna_gain", "rf_amp"
+            "samp_rate", "nmux_memory", "center_freq", "ppm", "rf_gain", "lna_gain", "rf_amp", "antenna"
         ).defaults(PropertyManager.getSharedInstance())
 
         def restart(name, value):
@@ -128,12 +128,7 @@ class SdrSource(object):
         props = self.rtlProps
 
         start_sdr_command = self.command.format(
-            samp_rate = props["samp_rate"],
-            center_freq = props["center_freq"],
-            ppm = props["ppm"],
-            rf_gain = props["rf_gain"],
-            lna_gain = props["lna_gain"],
-            rf_amp = props["rf_amp"]
+            **props.collect("samp_rate", "center_freq", "ppm", "rf_gain", "lna_gain", "rf_amp", "antenna").__dict__()
         )
 
         if self.format_conversion is not None:
@@ -243,7 +238,7 @@ class HackrfSource(SdrSource):
 class SdrplaySource(SdrSource):
     def __init__(self, props, port):
         super().__init__(props, port)
-        self.command = "rx_sdr -F CF32 -s {samp_rate} -f {center_freq} -p {ppm} -g {rf_gain} -"
+        self.command = "rx_sdr -F CF32 -s {samp_rate} -f {center_freq} -p {ppm} -g {rf_gain} -a \"{antenna}\" -"
         self.format_conversion = None
 
     def sleepOnRestart(self):