Program Repair Shop

Unnecessary variables

        my %stationInfo = shift;
        my               ($callsign, $timestamp, $position, $status) =
          @stationInfo{qw( Callsign   LastHeard   Position   Status)};

But actually, in this case we can do better
This code is immediately followed by:

        print $output "Callsign: $callsign\n";
        print $output "Timestamp: $timestamp\n";
        print $output "Position (Latitude & Longitude), Region: $position\n";
        print $output "Status: $status\n";

Use immediately follows assignment

        print $output "Callsign: $stationInfo{Callsign}\n";
        print $output "Timestamp: $stationInfo{LastHeard}\n";
        print $output "Position (Latitude & Longitude), Region: $stationInfo{Position\n";
        print $output "Status: $stationInfo{Status}\n";

Then we can lose the four extraneous variables and four lines of
code