diff --git a/owlps-client/owlps-client.c b/owlps-client/owlps-client.c
index 1a0aef1..9a1cdf0 100644
--- a/owlps-client/owlps-client.c
+++ b/owlps-client/owlps-client.c
@@ -25,8 +25,11 @@
 #define DEFAULT_DELAY_CALIB 50000 // Calibration request
 #define DEFAULT_DELAY_NORMAL 25000 // Localisation request
 
+/* Delay between two requests in loop mode (in milliseconds) */
+#define DEFAULT_FLOOD_DELAY 1000
+
 /* Program arguments (getopt string) */
-#define OPTIONS "d:hi:l::n:p:t:V"
+#define OPTIONS "d:f::hi:l::n:p:t:V"
 
 
 /* Function headers */
@@ -53,6 +56,7 @@ struct {
   char iface[IFNAMSIZ + 1] ; // Source network interface
   int_fast32_t delay ; // Time between two packet transmissions
   uint_fast16_t nb_pkt ; // Number of packets to send
+  int_fast32_t flood_delay ; // Time between two request transmissions
   uint_fast16_t listening_port ;
   // Calibration data:
   owl_direction direction ;
@@ -65,6 +69,7 @@ struct {
   "",
   -1,
   0,
+  -1,
   0,
   0, 0, 0, 0
 } ;
@@ -88,10 +93,18 @@ int main(int argc, char *argv[])
   parse_command_line(argc, argv) ;
 
   create_socket() ;
+
+ request_transmission:
   make_packet() ;
   send_request() ;
-
   free(packet) ;
+
+  if (options.flood_delay >= 0)
+    {
+      usleep(options.flood_delay * 1000) ;
+      goto request_transmission ;
+    }
+
   close(sockfd) ;
 
   if (options.listening_port > 0)
@@ -127,6 +140,28 @@ void parse_main_options(int argc, char **argv)
         case 'd' :
           strncpy(options.dest_ip, optarg, INET_ADDRSTRLEN) ;
           break ;
+        case 'f' :
+          /* Facultative getopt options do not handle separated values
+           * (like -f <delay>), so we have to test separately.
+           */
+          if (optarg) // We got an option like -f<delay>, it's OK
+            options.flood_delay = strtoul(optarg, NULL, 0) ;
+          else // We got -f alone or -f <port>
+            {
+              /* If we are at the end of the string, or the next optind
+               * is an option, we have the option without argument */
+              if (argv[optind] == NULL || argv[optind][0] == '-')
+                // Take the default value:
+                options.flood_delay = DEFAULT_FLOOD_DELAY ;
+              else
+                {
+                  // Take the optind value:
+                  options.flood_delay =
+                    strtoul(argv[optind], NULL, 0) ;
+                  optind++ ;
+                }
+            }
+          break ;
         case 'h' :
           print_usage() ;
           exit(0) ;
@@ -275,7 +310,17 @@ void check_configuration()
 #ifdef DEBUG
       fprintf(stderr, "Warning! You cannot wait for a server answer when"
               " you calibrate. Option -l ignored…\n") ;
-#endif // DEBUG      
+#endif // DEBUG
+      options.listening_port = 0 ;
+    }
+
+  // We want to flood AND to be located, which is not allowed:
+  if (options.flood_delay >= 0 && options.listening_port > 0)
+    {
+#ifdef DEBUG
+      fprintf(stderr, "Warning! You cannot wait for a server answer when"
+              " you flood. Option -l ignored…\n") ;
+#endif // DEBUG
       options.listening_port = 0 ;
     }
 }
@@ -289,8 +334,9 @@ void print_configuration()
           "\tDestination IP: %s\n"
           "\tDestination port: %"PRIuFAST16"\n"
           "\tInterface: %s\n"
-          "\tDelay: %"PRIuFAST32"\n"
+          "\tDelay: %"PRIdFAST32"\n"
           "\tNumber of packets: %"PRIuFAST16"\n"
+          "\tFlood delay: %"PRIdFAST32"\n"
           "\tListening port: %"PRIuFAST16"\n"
           "\tDirection: %"PRIu8"\n"
           "\tX: %f\n"
@@ -302,6 +348,7 @@ void print_configuration()
           options.iface,
           options.delay,
           options.nb_pkt,
+          options.flood_delay,
           options.listening_port,
           options.direction,
           options.x,
@@ -406,7 +453,7 @@ void print_usage()
   printf("Usage:\n"
          "Localisation request:\n"
          "\t%s -d dest_ip [-p dest_port] [-i iface] [-t delay]"
-         " [-n nb_packets] [-l [port]]\n"
+         " [-n nb_packets] [-f [delay]] [-l [port]]\n"
          "Calibration request:\n"
          "\t%s -d dest_ip [-p dest_port] [-i iface] [-t delay]"
          " [-n nb_packets] direction x y z\n"
@@ -414,7 +461,8 @@ void print_usage()
          "Options:\n"
          "\t-h\t\tPrint this help.\n"
          "\t-V\t\tPrint version information.\n"
-         "\t-d dest_ip\tDestination IP address of the localisation request.\n"
+         "\t-d dest_ip\tDestination IP address of the localisation"
+         " request.\n"
          "\t-p dest_port\tDestination port of the localisation request"
          " (default: %d).\n"
          "\t-t delay\tTime between each packet transmission (default: %d"
@@ -426,8 +474,10 @@ void print_usage()
          " request (e.g. \"eth2\"). If this option is absent, interface"
          " is selected automatically. You must be root to use this"
          " option.\n"
+         "\t-f [delay]\t\"Flood mode\": loop undefinitely, sending a"
+         " new request every <delay> milliseconds (default: %d ms).\n"
          "\t-l [port]\tWait for the computed position and display it."
-         " Optional argument 'port' allows to specify the listening"
+         " The Optional argument <port> allows to specify the listening"
          " port (default: %d).\n"
          ,
          program_name,
@@ -437,6 +487,7 @@ void print_usage()
          DEFAULT_DELAY_CALIB,
          DEFAULT_NBPKT_NORMAL,
          DEFAULT_NBPKT_CALIB,
+         DEFAULT_FLOOD_DELAY,
          MOBILE_DEFAULT_PORT
          ) ;
 }