Fix spelling

Fixed with:
find . \( -name '*.md' -o -name '*.ui' -o -name '*.html' \) -exec codespell --ignore-words-list=cach,doas,ehr,inout,lits,nd,som,verry --summary --write-changes {} \+
and manual editing.

plugins/channelrx/demodadsb/adsbdemodgui.ui

@@ -1100,7 +1100,7 @@
             <string>OAT (C)</string>
            </property>
            <property name="toolTip">
-            <string>Outside air temperature in degrees Celsuis estimated from Mach and TAS</string>
+            <string>Outside air temperature in degrees Celsius estimated from Mach and TAS</string>
            </property>
           </column>
           <column>
@@ -1132,7 +1132,7 @@
             <string>T (C)</string>
            </property>
            <property name="toolTip">
-            <string>Static air temperature in degrees Celsuis</string>
+            <string>Static air temperature in degrees Celsius</string>
            </property>
           </column>
           <column>
@@ -1148,7 +1148,7 @@
             <string>Lat (°)</string>
            </property>
            <property name="toolTip">
-            <string extracomment="Double click to centre the map on this aircraft">Latitude in degrees postive towards the North</string>
+            <string extracomment="Double click to centre the map on this aircraft">Latitude in degrees positive towards the North</string>
            </property>
           </column>
           <column>
@@ -1180,7 +1180,7 @@
             <string>TIS-B</string>
            </property>
            <property name="toolTip">
-            <string>Number of TIS-B frames received with this aircrafts ICAO</string>
+            <string>Number of TIS-B frames received with this aircraft's ICAO</string>
            </property>
           </column>
           <column>

plugins/channelrx/demoddsc/dscdemodgui.ui

@@ -865,7 +865,7 @@
         <string>RSSI</string>
        </property>
        <property name="toolTip">
-        <string>Received signal strenth indicator (Average power in dBFS)</string>
+        <string>Received signal strength indicator (Average power in dBFS)</string>
        </property>
       </column>
      </widget>

plugins/channelrx/demoddsc/readme.md

@@ -46,7 +46,7 @@ This drop down displays a list of all columns which can be used for filtering (8
 
 <h3>8: Filter Reg Exp</h3>
 
-Specifes a [regular expression](https://regexr.com/) used to filter data in the table, using data in the column specified by (7).
+Specifies a [regular expression](https://regexr.com/) used to filter data in the table, using data in the column specified by (7).
 
 <h3>9: Filter Invalid</h3>
 

plugins/channelrx/demodnfm/nfmdemodgui.ui

@@ -619,7 +619,7 @@
          <bool>true</bool>
         </property>
         <property name="toolTip">
-         <string>Display DCS code as postive/normal (+) or negative/inverted (-)</string>
+         <string>Display DCS code as positive/normal (+) or negative/inverted (-)</string>
         </property>
         <property name="text">
          <string/>

plugins/channelrx/demodpager/pagerdemodcharsetdialog.ui

@@ -17,7 +17,7 @@
    </font>
   </property>
   <property name="windowTitle">
-   <string>Set chararcter encoding</string>
+   <string>Set character encoding</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>

plugins/channelrx/demodradiosonde/radiosondedemodgui.ui

@@ -771,7 +771,7 @@
         <string>PCB (°C)</string>
        </property>
        <property name="toolTip">
-        <string>PCB temperature in degrees Celsuis</string>
+        <string>PCB temperature in degrees Celsius</string>
        </property>
       </column>
       <column>

plugins/channelrx/demodrtty/rttydemodgui.ui

@@ -475,7 +475,7 @@
          </item>
          <item>
           <property name="text">
-           <string>Rasied Cosine b=1 BW=0.75</string>
+           <string>Raised Cosine b=1 BW=0.75</string>
           </property>
          </item>
          <item>

plugins/channelrx/noisefigure/noisefigurecontroldialog.ui

@@ -140,7 +140,7 @@ Lines beginning with # are comments</string>
          <item>
           <widget class="QLabel" name="delayLabel">
            <property name="text">
-            <string>Delay in seconds betwen power on/off and measurement</string>
+            <string>Delay in seconds between power on/off and measurement</string>
            </property>
           </widget>
          </item>

plugins/channeltx/modais/aismodgui.ui

@@ -197,7 +197,7 @@
          </size>
         </property>
         <property name="toolTip">
-         <string>Tranmission mode</string>
+         <string>Transmission mode</string>
         </property>
         <item>
          <property name="text">
@@ -815,7 +815,7 @@
       <item>
        <widget class="QDoubleSpinBox" name="longitude">
         <property name="toolTip">
-         <string>Longitude in decimal degress (East positive)</string>
+         <string>Longitude in decimal degrees (East positive)</string>
         </property>
         <property name="decimals">
          <number>6</number>

plugins/feature/satellitetracker/satellitetrackergui.ui

@@ -312,7 +312,7 @@
       <item row="2" column="4">
        <widget class="QDoubleSpinBox" name="longitude">
         <property name="toolTip">
-         <string>Longitude in decimal degress (East positive) of antenna location</string>
+         <string>Longitude in decimal degrees (East positive) of antenna location</string>
         </property>
         <property name="decimals">
          <number>6</number>

plugins/feature/satellitetracker/satellitetrackersettingsdialog.ui

@@ -388,7 +388,7 @@
           <item row="11" column="0">
            <widget class="QCheckBox" name="utc">
             <property name="toolTip">
-             <string>When checked times are dispayed using UTC rather than the local time zone</string>
+             <string>When checked times are displayed using UTC rather than the local time zone</string>
             </property>
             <property name="text">
              <string>Display times in UTC</string>

plugins/feature/startracker/startrackergui.ui

@@ -539,7 +539,7 @@ This can be specified as a decimal (E.g. 34.23) or in degrees, minutes and secon
       <item row="2" column="3">
        <widget class="QDoubleSpinBox" name="longitude">
         <property name="toolTip">
-         <string>Longitude in decimal degress (East positive) of observation point / antenna location</string>
+         <string>Longitude in decimal degrees (East positive) of observation point / antenna location</string>
         </property>
         <property name="decimals">
          <number>6</number>

plugins/samplesink/aaroniartsaoutput/readme.md

@@ -4,7 +4,7 @@
 
 You can use this plugin to interface with a http server block in the Aaronia RTSA suite connected to a Spectran V6 device. It is assumed that you have prior knowledge of the Aaronia RTSA suite software and operation of the Spectran V6 RTSA (Real Time Spectrum Analyzer). However in this context there are some specificities i.e. it assumes that the "mission" (in RTSA suite terms) that is the equivalent of a "configuration" in SDRangel has a `HTTP Server` block followed by an `IQ Modulator` block.
 
-An example flow graph could be the following (Stram Debugger is optional):
+An example flow graph could be the following (Stream Debugger is optional):
 
 ![Aaronia RTSA Tx flowgraph](../../../doc/img/aaronia_http_tx.jpg)
 

plugins/samplesource/remotetcpinput/remotetcpinputgui.ui

@@ -1109,7 +1109,7 @@ When unchecked, if remote device is using SDRA protocol, local settings are upda
        </property>
        <property name="toolTip">
         <string>Output buffer.
-This should typically be empy. If full, your CPU cannot keep up and data will be lost</string>
+This should typically be empty. If full, your CPU cannot keep up and data will be lost</string>
        </property>
        <property name="minimum">
         <number>0</number>