First attempt to add Doppler shift frequency calculations

app/src/main/res/values/strings.xml

@@ -78,6 +78,8 @@
     <string name="no_mode">Mode: null</string>
     <string name="no_uplink">Uplink: null</string>
     <string name="no_downlink">Downlink: null</string>
+    <string name="no_uplink_doppler">Current uplink: null</string>
+    <string name="no_downlink_doppler">Current downlink: null</string>
     <string name="no_trans">No transceivers found for this satellite</string>
 
     <string name="err_no_permissions">Missing permissions</string>
@@ -108,6 +110,10 @@
     <string name="trans_up_lowHigh">Uplink: %.4f - %.4f MHz</string>
     <string name="trans_down_low">Downlink: %.4f MHz</string>
     <string name="trans_down_lowHigh">Downlink: %.4f - %.4f MHz</string>
+    <string name="trans_up_low_doppler">Current uplink: %.4f MHz</string>
+    <string name="trans_up_lowHigh_doppler">Current uplink: %.4f - %.4f MHz</string>
+    <string name="trans_down_low_doppler">Current downlink: %.4f MHz</string>
+    <string name="trans_down_lowHigh_doppler">Current downlink: %.4f - %.4f MHz</string>
 
     <string name="info_swipe_text">
         Swipe the screen to refresh the list of passes for selected satellites</string>