diff --git a/owlps-positioning/cfg/owlps-positioning.cfg b/owlps-positioning/cfg/owlps-positioning.cfg
index 5ad76b5..321fcfd 100644
--- a/owlps-positioning/cfg/owlps-positioning.cfg
+++ b/owlps-positioning/cfg/owlps-positioning.cfg
@@ -53,6 +53,12 @@ csv-file = /tmp/owlps-positioning.log
 #minmax-start = -2;-2;0
 #minmax-stop = 20;30;6
 
+# With the RADAR algorithm, for a given positioning request, average
+# all the calibration requests associated with a reference point before
+# to compute the SS distance. The default is false, i.e the positioning
+# request is compared directly to each calibration request.
+#radar-average-reference-points = false
+
 [output]
 
 # This is the default output if none is specified.
diff --git a/owlps-positioning/src/radar.cc b/owlps-positioning/src/radar.cc
index 2584204..9c33539 100644
--- a/owlps-positioning/src/radar.cc
+++ b/owlps-positioning/src/radar.cc
@@ -1,9 +1,16 @@
 #include "radar.hh"
 #include "stock.hh"
+#include "configuration.hh"
 
 
 
 const ReferencePoint& RADAR::select_point(const Request &request)
 {
-  return Stock::closest_reference_point(request) ;
+  if (Configuration::bool_value(
+        "positioning.radar-average-reference-points"))
+    return Stock::closest_reference_point(request) ;
+
+  const CalibrationRequest &cr =
+    Stock::closest_calibration_request(request) ;
+  return *cr.get_reference_point() ;
 }
diff --git a/owlps-positioning/src/userinterface.cc b/owlps-positioning/src/userinterface.cc
index f6e5d7f..1d76b40 100644
--- a/owlps-positioning/src/userinterface.cc
+++ b/owlps-positioning/src/userinterface.cc
@@ -178,6 +178,13 @@ method (string format: \"X;Y;Z\").")
   ("positioning.minmax-stop", po::value<string>(),
    "Coordinates of the stop point of the MinMax multilateration \
 method (string format: \"X;Y;Z\").")
+  ("positioning.radar-average-reference-points",
+   po::value<bool>()->default_value(false),
+   "With the RADAR algorithm, for a given positioning request, average"
+   " all the calibration requests associated with a reference point"
+   " before to compute the SS distance."
+   " The default is false, i.e the positioning request is compared"
+   " directly to each calibration request.")
   ;
 
   file_options->add(options) ;