diff --git a/apps/main/urls.py b/apps/main/urls.py
index 2362917..edea0ac 100644
--- a/apps/main/urls.py
+++ b/apps/main/urls.py
@@ -61,6 +61,7 @@ urlpatterns = (
 
     url(r'^operation/$', views.operation, name='url_operation'),
     url(r'^operation/(?P<id_camp>-?\d+)/$', views.operation, name='url_operation'),    
+    url(r'^operation/(?P<id_camp>-?\d+)/revoke$', views.revoke_tasks, name='url_operation_revoke'),    
     url(r'^operation/(?P<id_camp>-?\d+)/radar/(?P<id_radar>-?\d+)/start/$', views.radar_start, name='url_radar_start'),
     url(r'^operation/(?P<id_camp>-?\d+)/radar/(?P<id_radar>-?\d+)/stop/$', views.radar_stop, name='url_radar_stop'),
     url(r'^operation/(?P<id_camp>-?\d+)/radar/(?P<id_radar>-?\d+)/refresh/$', views.radar_refresh, name='url_radar_refresh'),
diff --git a/apps/main/views.py b/apps/main/views.py
index 1af8a98..1b07cd2 100644
--- a/apps/main/views.py
+++ b/apps/main/views.py
@@ -1261,7 +1261,7 @@ def parse_mask(l):
 def dev_confs(request):
 
     page = request.GET.get('page')
-    order = ('programmed_date', )
+    order = ('-programmed_date', )
     filters = request.GET.copy()
     if 'my configurations' in filters:
         filters.pop('my configurations', None)
@@ -1795,10 +1795,10 @@ def radar_start(request, id_camp, id_radar):
         if start > campaign.end_date or start < campaign.start_date:
             messages.warning(request, 'Experiment {} out of date'.format(exp))
             continue
-
+        
+        app.control.revoke(exp.task)
+        
         if now > start and now <= end:
-            exp.status = 3
-            exp.save()
             task = task_start.delay(exp.id)
             exp.status = task.wait()
             if exp.status == 0:
@@ -1844,21 +1844,38 @@ def radar_refresh(request, id_camp, id_radar):
     experiments = campaign.get_experiments_by_radar(id_radar)[0]['experiments']
 
     i = app.control.inspect()
-    scheduled = i.scheduled().values[0]
-    revoked = i.revoked().values[0]
+    scheduled = i.scheduled().values()[0]
+    revoked = i.revoked().values()[0]
 
     for exp in experiments:
         if exp.task in revoked:
             exp.status = 1
-        elif exp.task in [t['request']['id'] for t in scheduled if 'task_start' in t['request']['name']]:
-            exp.status = 2
         elif exp.task in [t['request']['id'] for t in scheduled if 'task_stop' in t['request']['name']]:
+            exp.status = 2
+        elif exp.task in [t['request']['id'] for t in scheduled if 'task_start' in t['request']['name']]:
             exp.status = 3
         else:
             exp.status = 4
         exp.save()
     return HttpResponseRedirect(reverse('url_operation', args=[id_camp]))
 
+@login_required
+def revoke_tasks(request, id_camp):
+
+    i = app.control.inspect()
+    scheduled = i.scheduled().values()[0]
+    revoked = i.revoked().values()[0]
+
+    for t in scheduled:
+        if t['request']['id'] in revoked:
+            continue
+        app.control.revoke(t['request']['id'])
+        exp = Experiment.objects.get(pk=eval(t['request']['args'])[0])
+        eta = t['eta']
+        task = t['request']['name'].split('.')[-1]
+        messages.warning(request, 'Scheduled {} at {} for experiment {} revoked'.format(task, eta, exp.name))
+
+    return HttpResponseRedirect(reverse('url_operation', args=[id_camp]))
 
 def real_time(request):
 
diff --git a/apps/rc/static/js/cr.js b/apps/rc/static/js/cr.js
index 97d9e38..983cd97 100644
--- a/apps/rc/static/js/cr.js
+++ b/apps/rc/static/js/cr.js
@@ -10,7 +10,7 @@ function str2hz(s){
 
 
 function str2unit(s){
-  var km2unit = (20/3)*(parseFloat($('#id_clock_in').val())/parseFloat($('#id_clock_divider').val()));
+  var km2unit = (20/3)*(parseFloat($('#id_frequency').val())/parseFloat($('#id_clock_divider').val()));
   var ret = "";
   values = s.split(",");
   for (i=0; i<values.length; i++) {
@@ -33,7 +33,7 @@ function str2int(s){
 
 
 function str2km(s){
-  var km2unit = (20/3)*(parseFloat($('#id_clock_in').val())/parseFloat($('#id_clock_divider').val()));
+  var km2unit = (20/3)*(parseFloat($('#id_frequency').val())/parseFloat($('#id_clock_divider').val()));
   var ret = "";
   values = s.split(",");
   for (i=0; i<values.length; i++) {
diff --git a/apps/rc/views.py b/apps/rc/views.py
index b7a841a..97ab66e 100644
--- a/apps/rc/views.py
+++ b/apps/rc/views.py
@@ -18,7 +18,10 @@ def conf(request, conf_id):
     conf = get_object_or_404(RCConfiguration, pk=conf_id)
 
     lines = RCLine.objects.filter(rc_configuration=conf).order_by('channel')
-    clk = RCClock.objects.get(rc_configuration=conf)
+    clk = RCClock.objects.filter(rc_configuration=conf).first()
+    if clk is None:
+        clk = RCClock(rc_configuration=conf)
+        clk.save()
 
     for line in lines:
         params = json.loads(line.params)