An item that is used to determine by comparison, the accuracy of an indicator, standing wave ratio.
NSN 5965-01-500-7168
NSN 5905-01-539-5397
NSN 5975-01-298-1940
NSN 6610-01-220-1011
NSN 6650-01-590-1330
NSN 5985-01-100-5085
NSN 6685-01-419-6255
NSN 5996-01-592-3011
NSN 6645-01-647-3723
NSN 6685-01-281-8860
NSN 6110-01-061-5777
NSN 4140-00-776-2027