diff --git a/libraries/OGN/freqplan.h b/libraries/OGN/freqplan.h
index 2ba92ee..aff06b5 100644
--- a/libraries/OGN/freqplan.h
+++ b/libraries/OGN/freqplan.h
@@ -8,14 +8,16 @@
 enum
 {
   RF_BAND_AUTO = 0,
-  RF_BAND_EU   = 1, /* 868.4 MHz band */
-  RF_BAND_US   = 2, /* 915 MHz band */
-  RF_BAND_AU   = 3, /* 921 MHz band */
-  RF_BAND_NZ   = 4, /* 869.250 MHz band */
-  RF_BAND_RU   = 5, /* 868.8 MHz band */
-  RF_BAND_CN   = 6, /* 470 MHz band */
-  RF_BAND_UK   = 7, /* 869.52 MHz band */
-  RF_BAND_IN   = 8  /* 866.0 MHz band */
+  RF_BAND_EU   = 1,  /* 868.2 MHz band */
+  RF_BAND_US   = 2,  /* 915 MHz band */
+  RF_BAND_AU   = 3,  /* 921 MHz band */
+  RF_BAND_NZ   = 4,  /* 869.250 MHz band */
+  RF_BAND_RU   = 5,  /* 868.8 MHz band */
+  RF_BAND_CN   = 6,  /* 470 MHz band */
+  RF_BAND_UK   = 7,  /* 869.52 MHz band */
+  RF_BAND_IN   = 8,  /* 866.0 MHz band */
+  RF_BAND_IL   = 9,  /* 916.2 MHz band */
+  RF_BAND_KR   = 10  /* 920.9 MHz band */
 };
 
 class FreqPlan
@@ -58,6 +60,12 @@ class FreqPlan
         case RF_BAND_IN:
           { BaseFreq=866000000; ChanSepar=200000; Channels= 1; MaxTxPower = 30; } // India
           break;
+        case RF_BAND_IL:
+          { BaseFreq=916200000; ChanSepar=200000; Channels= 1; MaxTxPower = 30; } // Israel
+          break;
+        case RF_BAND_KR:
+          { BaseFreq=920900000; ChanSepar=200000; Channels= 1; MaxTxPower = 23; } // South Korea
+          break;
         case RF_BAND_EU:
         default:
           { BaseFreq=868200000; ChanSepar=200000; Channels= 2; MaxTxPower = 14; } // Europe
@@ -71,10 +79,10 @@ class FreqPlan
    const char *getPlanName(void) { return getPlanName(Plan); }
 
    static const char *getPlanName(uint8_t Plan)
-   { static const char *Name[9] = { "Default", "Europe/Africa",
+   { static const char *Name[11] = { "Default", "Europe/Africa",
        "USA/Canada", "Australia/South America", "New Zealand",
-       "Russia", "China", "PilotAware (UK)", "India" } ;
-     if(Plan>RF_BAND_IN) return 0;
+       "Russia", "China", "PilotAware (UK)", "India", "Israel", "South Korea" } ;
+     if(Plan>RF_BAND_KR) return 0;
      return Name[Plan]; }
 
    uint8_t getChannel  (uint32_t Time, uint8_t Slot=0, uint8_t OGN=1) const // OGN-tracker or legacy, UTC time, slot: 0 or 1
@@ -82,12 +90,12 @@ class FreqPlan
      if(Plan>=2)                                                       // if USA/Canada or Australia/South America
      { uint8_t Channel = FreqHopHash((Time<<1)+Slot) % Channels;       // legacy hopping channel
        if(OGN)                                                         // for OGN tracker
-       { if(Slot) { uint8_t Channel1=FreqHopHash((Time<<1)) % Channels; // for 2nd slot choose a channel close to the 1st slot
-                            Channel1++; if(Channel1>=Channels) Channel1-=2; // 
-                    uint8_t Channel2=Channel1+1; if(Channel2>=Channels) Channel2-=2;
-                    if(Channel2==Channel) Channel=Channel1;            // avoid being on same chanel as legacy
-                                    else  Channel=Channel2; }
-             else { Channel++; if(Channel>=Channels) Channel-=2; }     // for 1st slot choose a higher channel (unless already highest, then choose a lower one)
+       { if(Slot) 
+         { uint8_t Channel2 = FreqHopHash((Time<<1)) % Channels;            // use same as legacy in the 1st slot
+           if(Channel2==Channel) { Channel++; if(Channel>=Channels) Channel-=2; } // but if same then legacy in the 2nd slot
+                            else Channel=Channel2;
+         }
+         else { Channel++; if(Channel>=Channels) Channel-=2; }              // for 1st slot choose a higher channel (unless already highest, then choose a lower one)
        }
        return Channel; }                                               // return 0..Channels-1 for USA/CA or Australia.
      return Slot^OGN; }                                                // if Europe/South Africa: return 0 or 1 for EU freq. plan
diff --git a/ognbase/Web.cpp b/ognbase/Web.cpp
index f22ffe5..fa121c5 100644
--- a/ognbase/Web.cpp
+++ b/ognbase/Web.cpp
@@ -234,6 +234,8 @@ void Web_setup(ufo_t* this_aircraft)
              (ogn_band == RF_BAND_UK ? "selected" : ""), RF_BAND_UK,
              (ogn_band == RF_BAND_AU ? "selected" : ""), RF_BAND_AU,
              (ogn_band == RF_BAND_IN ? "selected" : ""), RF_BAND_IN,
+             (ogn_band == RF_BAND_IL ? "selected" : ""), RF_BAND_IL,
+             (ogn_band == RF_BAND_KR ? "selected" : ""), RF_BAND_KR,
              (ogn_protocol_1 == RF_PROTOCOL_LEGACY ? "selected" : ""),
              RF_PROTOCOL_LEGACY, legacy_proto_desc.name,
              (ogn_protocol_1 == RF_PROTOCOL_OGNTP ? "selected" : ""),
diff --git a/ognbase/config.cpp b/ognbase/config.cpp
index ebf80c3..fa900bc 100644
--- a/ognbase/config.cpp
+++ b/ognbase/config.cpp
@@ -51,7 +51,7 @@ uint8_t  ogn_range       = 100;
 float   ogn_lat              = 0;
 float   ogn_lon              = 0;
 int     ogn_alt              = 0;
-uint8_t ogn_geoid_separation = 0;
+int16_t ogn_geoid_separation = 0;
 uint8_t largest_range        = 0;
 
 //fanet service
@@ -216,7 +216,7 @@ bool OGN_read_config(void)
 
 bool OGN_save_config(void)
 {
-    const size_t        capacity = 1024;
+    const size_t        capacity = 2048;
     DynamicJsonDocument baseConfig(capacity);
     JsonObject          obj;
 
diff --git a/ognbase/data/index.html b/ognbase/data/index.html
index f2f3281..897ee15 100644
--- a/ognbase/data/index.html
+++ b/ognbase/data/index.html
@@ -82,7 +82,7 @@ <h3>Version %s</h3>
         <p id = "largest_range">connecting</p>
       </div>
       <div class="circle__lower-text">
-          Largest RX
+          Longest Range
       </div>
   </div>
 </td>
@@ -96,7 +96,7 @@ <h3>Version %s</h3>
    <tr>
     <td>OGN Callsign</td>
     <td><input id=callsign type="text" name="callsign" value="%s" size="8"></td>
-    <td>Lat:</td>
+    <td>Lat</td>
     <td><input id=lat type="number" name="ogn_lat" step="0.000001" value="%s" size="8"></td>
   </tr>
   <tr>
@@ -106,7 +106,7 @@ <h3>Version %s</h3>
     <td><input id=alt type="number" name="ogn_alt" value="%s" size="8"></td>
    </tr>
    <tr>
-     <td>GeoID</td>
+     <td>Geoid [m]</td>
      <td><input id=geoid type="number" name="ogn_geoid" value="%s" size="8"></td>
      <td>Range [km]</td>
      <td><input id=range type="number" name="ogn_range" value="%s" size="8"></td>
@@ -123,6 +123,8 @@ <h3>Version %s</h3>
     <option %s value='%d'>UK (869.52 MHz)</option>
     <option %s value='%d'>AU (921 MHz)</option>
     <option %s value='%d'>IN (866 MHz)</option>
+    <option %s value='%d'>IL (916.2 MHz)</option>
+    <option %s value='%d'>KR (920.9 MHz)</option>
   </select>
  </td>
  </tr>
@@ -194,10 +196,10 @@ <h3>Version %s</h3>
   </td>
 </tr>
 <tr>
-  <td>RESET:</td>
+  <td>RESET</td>
   <td><INPUT type="checkbox" name="ogn_reset_all"></td>
 </tr>
-<td><p><button class="button_save">SAVE</button></a></p></td>
+<td><p><button class="button_save">Save</button></a></p></td>
 <td><a href="reboot" class="button_reboot" >Reboot</a></td>
 <td><a href="upload" class="upload" >Upload Files</a></td>
 <td><a href="update" class="update" >Update Firmware</a></td>
diff --git a/ognbase/global.h b/ognbase/global.h
index b63cf1d..68d9ae3 100644
--- a/ognbase/global.h
+++ b/ognbase/global.h
@@ -7,7 +7,7 @@ extern int ssid_index;
 extern float   ogn_lat;
 extern float   ogn_lon;
 extern int     ogn_alt;
-extern uint8_t ogn_geoid_separation;
+extern int16_t ogn_geoid_separation;
 extern uint8_t largest_range;
 
 extern String   ogn_callsign;