diff --git a/README.md b/README.md
index 009b172..d7d1f1b 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,13 @@ Software vocoding of AMBE+2(DMR/YSF/NXDN) is done using md380_vocoder library.
 
 Numerous fixes like late entry recognition from modes like YSF that are otherwise ignored by the original reflector when no header has been received.
 
+The USRP Clients are read from a file defined in Main.h.  The format of this file is ipaddr;port; one host per line, ex:
+
+```bash
+192.168.1.100;32000;
+192.168.1.101;32001;
+```
+
 The rest of this README is unchanged from the original.
 
 ## Introduction
diff --git a/reflector/Main.h b/reflector/Main.h
index e72c4d3..86e9734 100644
--- a/reflector/Main.h
+++ b/reflector/Main.h
@@ -168,14 +168,13 @@ enum class EProtocol { any, none, dextra, dplus, dcs, bm, urf, dmrplus, dmrmmdvm
 #define NXDN_AUTOLINK_MODULE             'A'                                 // module for client to auto-link to
 
 // USRP
-#define USRP_NODE_ADDRESS				"192.168.1.5"
-#define USRP_RXPORT                      34001                               // UDP port
-#define USRP_TXPORT                      32001                               // UDP port
+#define USRP_PORT                      34001                               // UDP port
 #define USRP_KEEPALIVE_PERIOD          1                                   // in seconds
 #define USRP_KEEPALIVE_TIMEOUT         (USRP_KEEPALIVE_PERIOD*10)         // in seconds
 #define USRP_AUTOLINK_ENABLE             1                                   // 1 = enable, 0 = disable auto-link
 #define USRP_AUTOLINK_MODULE             'A'                                 // module for client to auto-link to
 #define USRP_DEFAULT_CALLSIGN			"ALLSTAR"
+#define USRPCLIENTS_PATH                "/home/pi/USRPClients.txt"        // format ip;port; per line for each ALLSTAR/USRP node
 
 #ifndef NO_G3
 // G3 Terminal
diff --git a/reflector/Protocols.cpp b/reflector/Protocols.cpp
index fe07198..c2f10c1 100644
--- a/reflector/Protocols.cpp
+++ b/reflector/Protocols.cpp
@@ -90,7 +90,7 @@ bool CProtocols::Init(void)
 			return false;
 			
 		m_Protocols.emplace_back(std::unique_ptr<CUSRPProtocol>(new CUSRPProtocol));
-		if (! m_Protocols.back()->Initialize("USRP", EProtocol::usrp, USRP_RXPORT, USRP_IPV4, USRP_IPV6))
+		if (! m_Protocols.back()->Initialize("USRP", EProtocol::usrp, USRP_PORT, USRP_IPV4, USRP_IPV6))
 			return false;
 
 		m_Protocols.emplace_back(std::unique_ptr<CURFProtocol>(new CURFProtocol));
diff --git a/reflector/USRPProtocol.cpp b/reflector/USRPProtocol.cpp
index dde6bb2..75ebdbf 100644
--- a/reflector/USRPProtocol.cpp
+++ b/reflector/USRPProtocol.cpp
@@ -38,19 +38,61 @@ const uint8_t TLV_TAG_SET_INFO = 8;
 
 bool CUSRPProtocol::Initialize(const char *type, const EProtocol ptype, const uint16_t port, const bool has_ipv4, const bool has_ipv6)
 {
+	CBuffer buffer;
 	m_uiStreamId = 0;
+	CCallsign cs(USRP_DEFAULT_CALLSIGN);
+	CClients *clients = g_Reflector.GetClients();
+	std::ifstream file;
+	std::streampos size;
+	
 	// base class
 	if (! CProtocol::Initialize(type, ptype, port, has_ipv4, has_ipv6))
 		return false;
+	
+	file.open(USRPCLIENTS_PATH, std::ios::in | std::ios::binary | std::ios::ate);
+	if ( file.is_open() )
+	{
+		// read file
+		size = file.tellg();
+		if ( size > 0 )
+		{
+			// read file into buffer
+			buffer.resize((int)size+1);
+			file.seekg (0, std::ios::beg);
+			file.read((char *)buffer.data(), (int)size);
 
-	CIp Ip(AF_INET, USRP_TXPORT, USRP_NODE_ADDRESS);
-	CCallsign cs(USRP_DEFAULT_CALLSIGN);
-	CClients *clients = g_Reflector.GetClients();
-	auto newclient = std::make_shared<CUSRPClient>(cs, Ip);
+			// close file
+			file.close();
+		}
+	}
+
+	if ( buffer.size() > 0 )
+	{
+		char *ptr1 = (char *)buffer.data();
+		char *ptr2;
+
+		while ( (ptr2 = ::strchr(ptr1, '\n')) != nullptr )
+		{
+			*ptr2 = 0;
+			char *ip;
+			char *port;
+			if ((ip = ::strtok(ptr1, ";")) != nullptr)
+			{
+				if ( ((port = ::strtok(nullptr, ";")) != nullptr) )
+				{
+					uint32_t ui = atoi(port);
+					CIp Ip(AF_INET, ui, ip);
+					auto newclient = std::make_shared<CUSRPClient>(cs, Ip);
 #if USRP_AUTOLINK_ENABLE
-	newclient->SetReflectorModule(USRP_AUTOLINK_MODULE);
+					newclient->SetReflectorModule(USRP_AUTOLINK_MODULE);
 #endif
-	clients->AddClient(newclient);
+					clients->AddClient(newclient);
+				}
+			}
+			ptr1 = ptr2+1;
+		}
+	}
+
 	g_Reflector.ReleaseClients();
 	// update time
 	m_LastKeepaliveTime.start();