More APRS enhancements

ui/src/protocols/aprs.ts

@@ -152,7 +152,7 @@ export class Frame implements IFrame {
 
       case '`': // Mic-E current
       case "'": // Mic-E old
-        return this.decodeMicE(dataType);
+        return this.decodeMicE();
 
       case ':': // Message
         return this.decodeMessage();
@@ -448,7 +448,7 @@ export class Frame implements IFrame {
     return result;
   }
 
-  private decodeMicE(dataType: string): DecodedPayload | null {
+  private decodeMicE(): DecodedPayload | null {
     try {
       // Mic-E encodes position in both destination address and information field
       const dest = this.destination.call;
@@ -585,7 +585,6 @@ export class Frame implements IFrame {
     const messageBits: number[] = [];
 
     for (let i = 0; i < 6; i++) {
-      const char = dest.charAt(i);
       const code = dest.charCodeAt(i);
       let digit: number;
       let msgBit: number;