diff --git a/lib/spitask/GWDMS22B.cpp b/lib/spitask/GWDMS22B.cpp
index 4f0daf7..51ad88c 100644
--- a/lib/spitask/GWDMS22B.cpp
+++ b/lib/spitask/GWDMS22B.cpp
@@ -14,6 +14,7 @@
 */
 #include "GWDMS22B.h"
 #include "GwApi.h"
+#include "N2kMessages.h"
 
 
 #define CHECK_BUS(BUS) \
@@ -87,12 +88,12 @@
 
 
 class GWDMS22B : public SSISensor{
-    uint32_t zero=2047;
+    int zero=2047;
     public:
     using SSISensor::SSISensor;
     virtual bool preinit(GwApi * api){
         GwLog *logger=api->getLogger();
-        LOG_DEBUG(GwLog::LOG,"DMS22B configured, prefix=%s, intv=%f",prefix.c_str());
+        LOG_DEBUG(GwLog::LOG,"DMS22B configured, prefix=%s, intv=%f",prefix.c_str(),fintv);
         api->addCapability(prefix,"true");
         return true;
     }
@@ -103,7 +104,11 @@ class GWDMS22B : public SSISensor{
         if (res != ESP_OK){
             LOG_DEBUG(GwLog::ERROR,"unable to measure %s: %d",prefix.c_str(),(int)res);
         }
-        LOG_DEBUG(GwLog::LOG,"measure %s : %d",prefix.c_str(),value);
+        double resolved=(((int)value-zero)*360.0/mask);
+        LOG_DEBUG(GwLog::LOG,"measure %s : %d, resolved: %f",prefix.c_str(),value,(float)resolved);
+        tN2kMsg msg;
+        SetN2kRudder(msg,DegToRad(resolved),iid);
+        api->sendN2kMessage(msg);
     }
     #define DMS22B(PRFX,...) \
         if (prefix == #PRFX) {\
diff --git a/lib/spitask/config.json b/lib/spitask/config.json
index 720e8b5..8827fca 100644
--- a/lib/spitask/config.json
+++ b/lib/spitask/config.json
@@ -80,7 +80,7 @@
                 "name": "DMS22B$izero",
                 "label": "DMS22B$i Zero",
                 "type": "number",
-                "default": 2,
+                "default": 2048,
                 "description": "Zero position (0...2^bits-1)",
                 "category": "spisensors$b",
                 "capabilities": {