MIL-DTL-85K
fabricated waveguide only). The voltage standing wave ratio (VSWR) of the waveguide shall be
measured over the frequency range specified in table VIII. The test equipment shall be capable of
providing a continuous measurement of VSWR over the required frequency ranges. A means shall be
provided to produce a permanent record of the waveguide s VSWR versus frequency. If VSWR is not
directly measured; that is, if return loss is measured and VSWR is calculated from that measurement, the
permanent record shall indicate the worst case VSWR numerically for each frequency band and provide
the calculation used to obtain the calculated VSWR. The measurement system and permanent record
shall be capable of differentiating a VSWR change of at least 0.02
TABLE VIII. Frequency range.
Inside width
Frequency
Inside width
Frequency
(nominal)
range
(nominal)
range
Inches
GHz
Inches
GHz
23.000
0.32 - 0.49
9.750
0.75
-
1.12
21.000
0.35 - 0.53
7.700
0.96
-
1.45
18.000
0.410 - 0.625
6.500
1.12
-
1.70
15.000
0.490 - 0.750
5.100
1.45
-
2.20
11.500
0.64 - 0.96
4.300
1.70
-
2.60
4.5.8 Scratches (see 3.10). Examination for scratches shall be 6 inches from each end and at the
middle of the length.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD personnel,
these personnel need to contact the responsible packaging activity to ascertain requisite packaging
requirements. Packaging requirements are maintained by the Inventory Control Point s packaging activity
within the Military Department or Defense Agency, or within the Military Department s System Command.
Packaging data retrieval is available from the managing Military Department s or Defense Agency s
automated packaging files, CD-ROM products, or by contacting the responsible packaging activity.
9
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