diff --git a/_water/navionics.SonarCharts.layer.zmp/18.bmp b/_water/navionics.SonarChart.layer.zmp/18.bmp
similarity index 100%
rename from _water/navionics.SonarCharts.layer.zmp/18.bmp
rename to _water/navionics.SonarChart.layer.zmp/18.bmp
diff --git a/_water/navionics.SonarCharts.layer.zmp/24.bmp b/_water/navionics.SonarChart.layer.zmp/24.bmp
similarity index 100%
rename from _water/navionics.SonarCharts.layer.zmp/24.bmp
rename to _water/navionics.SonarChart.layer.zmp/24.bmp
diff --git a/_water/navionics.SonarChart.layer.zmp/EmptyTiles/empty.png b/_water/navionics.SonarChart.layer.zmp/EmptyTiles/empty.png
new file mode 100644
index 00000000..4fe9ab37
Binary files /dev/null and b/_water/navionics.SonarChart.layer.zmp/EmptyTiles/empty.png differ
diff --git a/_water/navionics.SonarChart.layer.zmp/GetUrlScript.txt b/_water/navionics.SonarChart.layer.zmp/GetUrlScript.txt
new file mode 100644
index 00000000..1eaf49fd
--- /dev/null
+++ b/_water/navionics.SonarChart.layer.zmp/GetUrlScript.txt
@@ -0,0 +1,13 @@
+// LAYERS parameter: config_a_b_c
+//    a = 1 for depth in meters, 2 for depth in feet, 3 for fathoms
+//    b = 10.00: for 10.00 m safety depth (beginning of blue coloring) (unit equal to that set by a)
+//    c = 0 for pristine Navionics charts, 1 for Sonar Charts
+// TRANSPARENT parameter: FALSE for non-layer, TRUE for layer
+// UGC parameter: FALSE for pristine Navionics charts, TRUE for additinal user-generated content icons
+// navtoken: base64 encoded string of either:
+//    - "Navionics_internalpurpose_00001+webapiv2.navionics.com" (used with Referrer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html)
+//    - "Navionics_internalpurpose_00001+webapp.navionics.com" (used with Referrer: https://webapp.navionics.com/?lang=en)
+
+begin 
+  ResultURL:=GetURLBase+inttostr(GetZ-1)+'/'+inttostr(GetX)+'/'+inttostr(GetY)+'?LAYERS=config_1_10.00_1&TRANSPARENT=TRUE&UGC=FALSE&navtoken=TmF2aW9uaWNzX2ludGVybmFscHVycG9zZV8wMDAwMSt3ZWJhcGl2Mi5uYXZpb25pY3MuY29t';
+end.
diff --git a/_water/navionics.SonarChart.layer.zmp/params.txt b/_water/navionics.SonarChart.layer.zmp/params.txt
new file mode 100644
index 00000000..0f945594
--- /dev/null
+++ b/_water/navionics.SonarChart.layer.zmp/params.txt
@@ -0,0 +1,14 @@
+[PARAMS]
+GUID={2333E9D3-EB95-466D-AC14-2CFFCDB509C2}
+name=Navionics SonarChart(TM)
+ParentSubMenu_ru=Морские карты (SonarChart)
+ParentSubMenu=Marine maps
+asLayer=1
+DefURLBase=http://backend.navionics.io/tile/
+NameInCache=navionics_sonarchart_layer
+Ext=.png
+ContentType=image/png
+projection=1
+sradiusa=6378137
+sradiusb=6378137
+RequestHead=Referer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html
diff --git a/_water/navionics.SonarCharts.zmp/18.bmp b/_water/navionics.SonarChart.zmp/18.bmp
similarity index 100%
rename from _water/navionics.SonarCharts.zmp/18.bmp
rename to _water/navionics.SonarChart.zmp/18.bmp
diff --git a/_water/navionics.SonarCharts.zmp/24.bmp b/_water/navionics.SonarChart.zmp/24.bmp
similarity index 100%
rename from _water/navionics.SonarCharts.zmp/24.bmp
rename to _water/navionics.SonarChart.zmp/24.bmp
diff --git a/_water/navionics.SonarChart.zmp/GetUrlScript.txt b/_water/navionics.SonarChart.zmp/GetUrlScript.txt
new file mode 100644
index 00000000..c23be74b
--- /dev/null
+++ b/_water/navionics.SonarChart.zmp/GetUrlScript.txt
@@ -0,0 +1,13 @@
+// LAYERS parameter: config_a_b_c
+//    a = 1 for depth in meters, 2 for depth in feet, 3 for fathoms
+//    b = 10.00: for 10.00 m safety depth (beginning of blue coloring) (unit equal to that set by a)
+//    c = 0 for pristine Navionics charts, 1 for Sonar Charts
+// TRANSPARENT parameter: FALSE for non-layer, TRUE for layer
+// UGC parameter: FALSE for pristine Navionics charts, TRUE for additinal user-generated content icons
+// navtoken: base64 encoded string of either:
+//    - "Navionics_internalpurpose_00001+webapiv2.navionics.com" (used with Referrer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html)
+//    - "Navionics_internalpurpose_00001+webapp.navionics.com" (used with Referrer: https://webapp.navionics.com/?lang=en)
+
+begin 
+  ResultURL:=GetURLBase+inttostr(GetZ-1)+'/'+inttostr(GetX)+'/'+inttostr(GetY)+'?LAYERS=config_1_10.00_1&TRANSPARENT=FALSE&UGC=FALSE&navtoken=TmF2aW9uaWNzX2ludGVybmFscHVycG9zZV8wMDAwMSt3ZWJhcGl2Mi5uYXZpb25pY3MuY29t';
+end.
diff --git a/_water/navionics.SonarChart.zmp/params.txt b/_water/navionics.SonarChart.zmp/params.txt
new file mode 100644
index 00000000..f2a6b009
--- /dev/null
+++ b/_water/navionics.SonarChart.zmp/params.txt
@@ -0,0 +1,13 @@
+[PARAMS]
+GUID={247A02DC-5204-46FC-8D23-828AFC83A434}
+name=Navionics SonarChart(TM)
+ParentSubMenu_ru=Морские карты (SonarChart)
+ParentSubMenu=Marine maps
+DefURLBase=http://backend.navionics.io/tile/
+NameInCache=navionics_sonarchart
+Ext=.png
+ContentType=image/png
+projection=1
+sradiusa=6378137
+sradiusb=6378137
+RequestHead=Referer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html
diff --git a/_water/navionics.SonarCharts.layer.zmp/EmptyTiles/empty.png b/_water/navionics.SonarCharts.layer.zmp/EmptyTiles/empty.png
deleted file mode 100644
index 5071e646..00000000
Binary files a/_water/navionics.SonarCharts.layer.zmp/EmptyTiles/empty.png and /dev/null differ
diff --git a/_water/navionics.SonarCharts.layer.zmp/GetUrlScript.txt b/_water/navionics.SonarCharts.layer.zmp/GetUrlScript.txt
deleted file mode 100644
index f034a399..00000000
--- a/_water/navionics.SonarCharts.layer.zmp/GetUrlScript.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-var
-  I: Integer;
-  VEncoded: string;
-  VBox: string;
-begin 
-  VBox := RoundEx(GetLMetr ,10) + ',' + RoundEx(GetBMetr, 10) + ',' + RoundEx(GetRMetr, 10) + ',' + RoundEx(GetTMetr, 10);
-  // prepare params
-  VEncoded := 
-    'LAYERS=config_1_1_1_0' + '&' + 
-    'TRANSPARENT=TRUE' + '&' +
-    'SERVICE=WMS' + '&' +
-    'VERSION=1.1.1' + '&' +
-    'REQUEST=GetMap' + '&' +
-    'FORMAT=image%2Fpng' + '&' +
-    'SRS=EPSG%3A6859' + '&' +
-    'BBOX=' + VBox + '&' +
-    'WIDTH=256' + '&' +
-    'HEIGHT=256';
-  
-  // crypt
-  for I := 1 to Length(VEncoded) do 
-  VEncoded[I] := Chr(Ord(VEncoded[I]) xor 42);
-  
-  // Base64 encode
-  VEncoded := Base64Encode(VEncoded);
-  
-  //replase "+" with "%2b" charset
-  VEncoded := RegExprReplaceMatchSubStr(VEncoded, '\+', '\%2b');
-  
-  ResultURL:=GetURLBase + VEncoded + '&NAVKEY=NAVIONICS11WEBAPI111&TEST=' + VBox + '&ZOOM=' + IntToStr(GetZ) + '&v=1&SRC=http://www.navionics.com';
-  
-  RequestHead := 'Referer: http://www.navionics.com/sites/navionics.plurimedia.it/files/coverage/webapp.html?2985400';
-end.
\ No newline at end of file
diff --git a/_water/navionics.SonarCharts.layer.zmp/params.txt b/_water/navionics.SonarCharts.layer.zmp/params.txt
deleted file mode 100644
index d40d69bd..00000000
--- a/_water/navionics.SonarCharts.layer.zmp/params.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-[PARAMS]
-GUID={BF5C7247-0543-4DBB-B4B1-5E969C9EB942}
-name=Navionics SonarCharts
-ParentSubMenu_ru=Морские карты
-ParentSubMenu=Marine maps
-asLayer=1
-DefURLBase=http://webviewer-api.navionics.com/getmap?PARAMS=
-NameInCache=navionics.SonarCharts.layer
-Ext=.png
-ContentType=image/png
-projection=2
-sradiusa=6378388
-sradiusb=6356912
diff --git a/_water/navionics.SonarCharts.zmp/EmptyTiles/empty.png b/_water/navionics.SonarCharts.zmp/EmptyTiles/empty.png
deleted file mode 100644
index 5071e646..00000000
Binary files a/_water/navionics.SonarCharts.zmp/EmptyTiles/empty.png and /dev/null differ
diff --git a/_water/navionics.SonarCharts.zmp/GetUrlScript.txt b/_water/navionics.SonarCharts.zmp/GetUrlScript.txt
deleted file mode 100644
index 97ddb8f0..00000000
--- a/_water/navionics.SonarCharts.zmp/GetUrlScript.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-var
-  I: Integer;
-  VEncoded: string;
-  VBox: string;
-begin 
-  VBox := RoundEx(GetLMetr ,10) + ',' + RoundEx(GetBMetr, 10) + ',' + RoundEx(GetRMetr, 10) + ',' + RoundEx(GetTMetr, 10);
-  // prepare params
-  VEncoded := 
-    'LAYERS=config_1_1_1_0' + '&' + 
-    'TRANSPARENT=FALSE' + '&' +
-    'SERVICE=WMS' + '&' +
-    'VERSION=1.1.1' + '&' +
-    'REQUEST=GetMap' + '&' +
-    'FORMAT=image%2Fpng' + '&' +
-    'SRS=EPSG%3A6859' + '&' +
-    'BBOX=' + VBox + '&' +
-    'WIDTH=256' + '&' +
-    'HEIGHT=256';
-  
-  // crypt
-  for I := 1 to Length(VEncoded) do 
-  VEncoded[I] := Chr(Ord(VEncoded[I]) xor 42);
-  
-  // Base64 encode
-  VEncoded := Base64Encode(VEncoded);
-  
-  //replase "+" with "%2b" charset
-  VEncoded := RegExprReplaceMatchSubStr(VEncoded, '\+', '\%2b');
-  
-  ResultURL:=GetURLBase + VEncoded + '&NAVKEY=NAVIONICS11WEBAPI111&TEST=' + VBox + '&ZOOM=' + IntToStr(GetZ) + '&v=1&SRC=http://www.navionics.com';
-  
-  RequestHead := 'Referer: http://www.navionics.com/sites/navionics.plurimedia.it/files/coverage/webapp.html?2985400';
-end.
\ No newline at end of file
diff --git a/_water/navionics.SonarCharts.zmp/params.txt b/_water/navionics.SonarCharts.zmp/params.txt
deleted file mode 100644
index 639098e8..00000000
--- a/_water/navionics.SonarCharts.zmp/params.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-[PARAMS]
-GUID={AF5C7247-0543-4DBB-B4B1-5E969C9EB942}
-name=Navionics SonarCharts
-ParentSubMenu_ru=Морские карты
-ParentSubMenu=Marine maps
-DefURLBase=http://webviewer-api.navionics.com/getmap?PARAMS=
-NameInCache=navionics.SonarCharts
-Ext=.png
-ContentType=image/png
-projection=2
-sradiusa=6378388
-sradiusb=6356912
diff --git a/_water/navionics.com.layer.zmp/EmptyTiles/empty.png b/_water/navionics.com.layer.zmp/EmptyTiles/empty.png
deleted file mode 100644
index 5071e646..00000000
Binary files a/_water/navionics.com.layer.zmp/EmptyTiles/empty.png and /dev/null differ
diff --git a/_water/navionics.com.layer.zmp/GetUrlScript.txt b/_water/navionics.com.layer.zmp/GetUrlScript.txt
deleted file mode 100644
index ff167533..00000000
--- a/_water/navionics.com.layer.zmp/GetUrlScript.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-var
-  I: Integer;
-  VEncoded: string;
-  VBox: string;
-begin 
-  VBox := RoundEx(GetLMetr ,10) + ',' + RoundEx(GetBMetr, 10) + ',' + RoundEx(GetRMetr, 10) + ',' + RoundEx(GetTMetr, 10);
-  // prepare params
-  VEncoded := 
-    'LAYERS=osm_ram' + '&' +
-    'TRANSPARENT=TRUE' + '&' +    
-    'SERVICE=WMS' + '&' +
-    'VERSION=1.1.1' + '&' +
-    'REQUEST=GetMap' + '&' +
-    'STYLES=' + '&' +
-    'FORMAT=image%2Fpng' + '&' +
-    'SRS=EPSG%3A3395' + '&' +
-    'WIDTH=256' + '&' +
-    'HEIGHT=256' + '&' +
-    'BBOX=' + VBox;
-  
-  // crypt
-  for I := 1 to Length(VEncoded) do 
-  VEncoded[I] := Chr(Ord(VEncoded[I]) xor 42);
-  
-  // Base64 encode
-  VEncoded := Base64Encode(VEncoded);
-  
-  //replase "+" with "%2b" charset
-  VEncoded := RegExprReplaceMatchSubStr(VEncoded, '\+', '\%2b');
-  
-  ResultURL:=GetURLBase + VEncoded + '&NAVKEY=NAVIONICS11WEBAPI111&TEST=' + VBox + '&ZOOM=' + IntToStr(GetZ) + '&v=1&SRC=http://www.navionics.com';
-  
-  RequestHead := 'Referer: http://www.navionics.com/sites/navionics.plurimedia.it/files/coverage/webapp.html?2985400';
-end.
\ No newline at end of file
diff --git a/_water/navionics.com.layer.zmp/params.txt b/_water/navionics.com.layer.zmp/params.txt
deleted file mode 100644
index ba9203cc..00000000
--- a/_water/navionics.com.layer.zmp/params.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-[PARAMS]
-GUID={1F5C7247-9999-4DBB-B4B1-5E969C9EB942}
-name=Navionics (http://www.navionics.com/en/)
-ParentSubMenu_ru=Морские карты
-ParentSubMenu=Marine maps
-asLayer=1
-DefURLBase=http://webviewer-api.navionics.com/getmap?PARAMS=
-NameInCache=navionics_com_layer
-Ext=.png
-ContentType=image/png
-projection=2
-sradiusa=6378388
-sradiusb=6356912
diff --git a/_water/navionics.com.zmp/EmptyTiles/empty.png b/_water/navionics.com.zmp/EmptyTiles/empty.png
deleted file mode 100644
index 5071e646..00000000
Binary files a/_water/navionics.com.zmp/EmptyTiles/empty.png and /dev/null differ
diff --git a/_water/navionics.com.zmp/GetUrlScript.txt b/_water/navionics.com.zmp/GetUrlScript.txt
deleted file mode 100644
index 37e43112..00000000
--- a/_water/navionics.com.zmp/GetUrlScript.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-var
-  I: Integer;
-  VEncoded: string;
-  VBox: string;
-begin 
-  VBox := RoundEx(GetLMetr ,10) + ',' + RoundEx(GetBMetr, 10) + ',' + RoundEx(GetRMetr, 10) + ',' + RoundEx(GetTMetr, 10);
-  // prepare params
-  VEncoded := 
-    'LAYERS=osm_ram' + '&' + 
-    'SERVICE=WMS' + '&' +
-    'VERSION=1.1.1' + '&' +
-    'REQUEST=GetMap' + '&' +
-    'STYLES=' + '&' +
-    'FORMAT=image%2Fpng' + '&' +
-    'SRS=EPSG%3A3395' + '&' +
-    'WIDTH=256' + '&' +
-    'HEIGHT=256' + '&' +
-    'BBOX=' + VBox;
-  
-  // crypt
-  for I := 1 to Length(VEncoded) do 
-  VEncoded[I] := Chr(Ord(VEncoded[I]) xor 42);
-  
-  // Base64 encode
-  VEncoded := Base64Encode(VEncoded);
-  
-  //replase "+" with "%2b" charset
-  VEncoded := RegExprReplaceMatchSubStr(VEncoded, '\+', '\%2b');
-  
-  ResultURL:=GetURLBase + VEncoded + '&NAVKEY=NAVIONICS11WEBAPI111&TEST=' + VBox + '&ZOOM=' + IntToStr(GetZ) + '&v=1&SRC=http://www.navionics.com';
-  
-  RequestHead := 'Referer: http://www.navionics.com/sites/navionics.plurimedia.it/files/coverage/webapp.html?2985400';
-end.
\ No newline at end of file
diff --git a/_water/navionics.com.zmp/params.txt b/_water/navionics.com.zmp/params.txt
deleted file mode 100644
index 199f3ed7..00000000
--- a/_water/navionics.com.zmp/params.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-[PARAMS]
-GUID={1F5C7247-0543-4DBB-B4B1-5E969C9EB942}
-name=Navionics (http://www.navionics.com/en/)
-ParentSubMenu_ru=Морские карты
-ParentSubMenu=Marine maps
-DefURLBase=http://webviewer-api.navionics.com/getmap?PARAMS=
-NameInCache=navionics_com
-Ext=.png
-ContentType=image/png
-projection=2
-sradiusa=6378388
-sradiusb=6356912
diff --git a/_water/navionics.com.layer.zmp/18.bmp b/_water/navionics.layer.zmp/18.bmp
similarity index 100%
rename from _water/navionics.com.layer.zmp/18.bmp
rename to _water/navionics.layer.zmp/18.bmp
diff --git a/_water/navionics.com.layer.zmp/24.bmp b/_water/navionics.layer.zmp/24.bmp
similarity index 100%
rename from _water/navionics.com.layer.zmp/24.bmp
rename to _water/navionics.layer.zmp/24.bmp
diff --git a/_water/navionics.layer.zmp/EmptyTiles/empty.png b/_water/navionics.layer.zmp/EmptyTiles/empty.png
new file mode 100644
index 00000000..4fe9ab37
Binary files /dev/null and b/_water/navionics.layer.zmp/EmptyTiles/empty.png differ
diff --git a/_water/navionics.layer.zmp/GetUrlScript.txt b/_water/navionics.layer.zmp/GetUrlScript.txt
new file mode 100644
index 00000000..04b03d64
--- /dev/null
+++ b/_water/navionics.layer.zmp/GetUrlScript.txt
@@ -0,0 +1,13 @@
+// LAYERS parameter: config_a_b_c
+//    a = 1 for depth in meters, 2 for depth in feet, 3 for fathoms
+//    b = 10.00: for 10.00 m safety depth (beginning of blue coloring) (unit equal to that set by a)
+//    c = 0 for pristine Navionics charts, 1 for Sonar Charts
+// TRANSPARENT parameter: FALSE for non-layer, TRUE for layer
+// UGC parameter: FALSE for pristine Navionics charts, TRUE for additinal user-generated content icons
+// navtoken: base64 encoded string of either:
+//    - "Navionics_internalpurpose_00001+webapiv2.navionics.com" (used with Referrer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html)
+//    - "Navionics_internalpurpose_00001+webapp.navionics.com" (used with Referrer: https://webapp.navionics.com/?lang=en)
+
+begin 
+  ResultURL:=GetURLBase+inttostr(GetZ-1)+'/'+inttostr(GetX)+'/'+inttostr(GetY)+'?LAYERS=config_1_10.00_0&TRANSPARENT=TRUE&UGC=FALSE&navtoken=TmF2aW9uaWNzX2ludGVybmFscHVycG9zZV8wMDAwMSt3ZWJhcGl2Mi5uYXZpb25pY3MuY29t';
+end.
diff --git a/_water/navionics.layer.zmp/params.txt b/_water/navionics.layer.zmp/params.txt
new file mode 100644
index 00000000..0158dedc
--- /dev/null
+++ b/_water/navionics.layer.zmp/params.txt
@@ -0,0 +1,14 @@
+[PARAMS]
+GUID={1F1D2343-8575-4BEE-8C33-DBFEF8D53BE5}
+name=Navionics Marine Charts
+ParentSubMenu_ru=Морские карты
+ParentSubMenu=Marine maps
+asLayer=1
+DefURLBase=http://backend.navionics.io/tile/
+NameInCache=navionics_layer
+Ext=.png
+ContentType=image/png
+projection=1
+sradiusa=6378137
+sradiusb=6378137
+RequestHead=Referer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html
diff --git a/_water/navionics.com.zmp/18.bmp b/_water/navionics.zmp/18.bmp
similarity index 100%
rename from _water/navionics.com.zmp/18.bmp
rename to _water/navionics.zmp/18.bmp
diff --git a/_water/navionics.com.zmp/24.bmp b/_water/navionics.zmp/24.bmp
similarity index 100%
rename from _water/navionics.com.zmp/24.bmp
rename to _water/navionics.zmp/24.bmp
diff --git a/_water/navionics.zmp/GetUrlScript.txt b/_water/navionics.zmp/GetUrlScript.txt
new file mode 100644
index 00000000..67f4ba95
--- /dev/null
+++ b/_water/navionics.zmp/GetUrlScript.txt
@@ -0,0 +1,13 @@
+// LAYERS parameter: config_a_b_c
+//    a = 1 for depth in meters, 2 for depth in feet, 3 for fathoms
+//    b = 10.00: for 10.00 m safety depth (beginning of blue coloring) (unit equal to that set by a)
+//    c = 0 for pristine Navionics charts, 1 for Sonar Charts
+// TRANSPARENT parameter: FALSE for non-layer, TRUE for layer
+// UGC parameter: FALSE for pristine Navionics charts, TRUE for additinal user-generated content icons
+// navtoken: base64 encoded string of either:
+//    - "Navionics_internalpurpose_00001+webapiv2.navionics.com" (used with Referrer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html)
+//    - "Navionics_internalpurpose_00001+webapp.navionics.com" (used with Referrer: https://webapp.navionics.com/?lang=en)
+
+begin 
+  ResultURL:=GetURLBase+inttostr(GetZ-1)+'/'+inttostr(GetX)+'/'+inttostr(GetY)+'?LAYERS=config_1_10.00_0&TRANSPARENT=FALSE&UGC=FALSE&navtoken=TmF2aW9uaWNzX2ludGVybmFscHVycG9zZV8wMDAwMSt3ZWJhcGl2Mi5uYXZpb25pY3MuY29t';
+end.
diff --git a/_water/navionics.zmp/params.txt b/_water/navionics.zmp/params.txt
new file mode 100644
index 00000000..21678a21
--- /dev/null
+++ b/_water/navionics.zmp/params.txt
@@ -0,0 +1,13 @@
+[PARAMS]
+GUID={A830C100-49C8-4623-957A-60B85C39FBE0}
+name=Navionics Marine Charts
+ParentSubMenu_ru=Морские карты
+ParentSubMenu=Marine maps
+DefURLBase=http://backend.navionics.io/tile/
+NameInCache=navionics
+Ext=.png
+ContentType=image/png
+projection=1
+sradiusa=6378137
+sradiusb=6378137
+RequestHead=Referer: https://webapiv2.navionics.com/examples/4000_gNavionicsOverlayExample.html