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Page Title:
Table II Acceptable Interference Measuring Instruments |
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| MIL-R-23016(Wep)
3.2.9.7
(Continued)
(d) - continued
attain a category A rating. These instruments shall not be
used without prior approval of the procuring activity.
TABLE II Acceptable Interference Measuring Instruments
Basic Military
Category Frequency Range Commercial Model Notes
Manufacturer
Nomenclature
A
NM-20A,B
AN/PRM-1
0.15 to 25 mc
None
Stoddart
None
Empire
0.15 to 30 mc
T-A/NF-105
(2)
AN/URM-85
None
USA Sig Corps.
0.15 to 1,000 mc None
AN/URM-7
20 to 400 mc
None
None
USA Sig Corps.
AN/URM-47
20 to 400 mc
Stoddart
NM-30A
(3)
Empire
None
20 to 200 mc
T-1/NF-105
None
None
Empire
200 to 400 mc
T-2/NF-105
None
400 to 1,000 mc T-3/NF-105
(4)
Empire
None
AN/URM-17
Stoddart
375 to 1,000 mc
NM-50A
None
1,000 to 10,000mc FIM, A, B
AN/TRM-6
None
Polarad
Empire
T-A/N-105
(5 6)
None
0.15 to 30 mc
B
AN/URM-47
(6)
Stoddart
20 to 400 mc
NM-30A
Empire
(6 7)
None
400 to 1,000 mc T-3/NF-105
(6)
AN/URM-17B
Stoddart
375 to 1,000 mc NM-50A
C-1
Empire
None
0.15 to 1,000 mc NF-205
None
Stoddart
AN/URM-17B
None
375 to 1,000 mc NM-52A
C-2
None available at this time
1
This table is subject to change upon reasonable notice to include new instruments having
superior performance characteristics and to change the category of older instruments
which have become obsolete
2
This category applies to tuning units purchased after 11 March 1957
3
This category applies when power supply 91226-1 is used with instruments numbered 191-1
and higher
4
This category applies to instruments purchased after 9 May 1956
5
This category applies to instruments purchased prior to 11 March 1957
6
These instruments can be modified to category A requirements by the manufacturer
7
This category applies to instruments purchased prior to 9 May 1956
56
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