An item that is used to determine by comparison, the accuracy of an indicator, standing wave ratio.
NSN 5985-00-424-5788
NSN 5985-01-142-1726
NSN 5895-01-516-3875
NSN 4140-00-007-5726
NSN 6135-01-629-0198
NSN 5960-01-420-4744
NSN 5910-01-011-0746
NSN 5930-01-552-1357
NSN 5998-01-492-5272
NSN 5998-00-649-7287
NSN 5930-00-062-3099
NSN 6130-01-218-2942