Output - 2 files: 1. Excel file with 2 sheets:
- Trace Issues (hop-by-hop issue detection)
- Route Summary (per-site full route + passing sites) 2. KML file for Google Earth:
- MW links drawn as colored lines
- Click any site pin to see FON, hops, carrying count, full route, passing sites
- FON / Aggregation Hub shown as red letter "F" landmark
- Sites and links connected to the same FON share the same color