1、MIL-A-27537 57 m 7979906 0054383 5 MIL-A-29517(EC) 29 January 1988 MILITARY SPECIFICATION ANTENNA GROUP, OE-417(V)/SRC 2-MHz TO 30-MHz TRANSMITTING WHIP (TILTING) This specification is approved for use by the Space and Naval Warfare Systems Command, Department of the Navy, and is avail able for use
2、by al 1 Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the design, development, performance, and test requirements for the Antenna Group, OE-417(V)/SRCa hereinafter referred to as the antenna group. The antenna group is a nominal 11-meter (m) (35
3、-foot (ft) whip configured for emergency use which provides sing1 e frequency coverage in the 2-megahertz (MHz) to 30-MHz range for high frequency (HF) shipboard transmitters. 2. APPLICABLE OOCUF4ENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and stan
4、dards form a Dart of this specification to the extent specified herein. Un1 ess otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. 1 Benef
5、icial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Space and Naval Warfare Systems Command, SPAWAR 003-121, Washington, DC 20363-5100, by using the self-addressed Standardization Document Imp
6、rovement Proposal (DO Form 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 5985 DISTRIBUTION STATEMENT A. Approved for public release;. distribution is un1 imited. ,- -Y THIS DOCUMENT CONTAINS k.7 PAGES. . . / 2“ “ - Licensed by Information Handling ServicesMIL-A-29517( EC) S
7、PECIFICATIONS MILITARY MIL-S-901 Shock Tests, H.1, (High-Impact), Shipboard Machinery, Equipment And Systems, Requirements For Identification Of Equipment MIL-P-15024 Plates, Tags, And Bands For MIL-P-15024/5 Plates, Identification MIL-E-16400G Electronic, Interior Communication And Navigation Equip
8、ment, Naval Ship And Shore: General Specification For Accessories, And Provisioned I tems (Repair Parts) ; Packaging Of MIL-E-17555 Electronic And Electrical Equipment, SPACE ANO NAVAL WARFARE SYSTEMS COMMAND (SPAWAR) ELEX-T-598 Tilting Group, Antenna, Heavy Duty, OA-(X)(V)/SR, Tilting Group, Antenn
9、a, Light Weight, OA-(y)(V-)/SR, And Associated Rnci 11 ary Units STANOAROS MILITARY MIL-STO-108 Definitions Of And Basic Requirements For Enclosures For Electric And Electronic Equipment MIL-STO-109 Qual i ty Assurance Terms And Oef i ni ti ons MIL-STO-167-1 Mechanical Vibrations Of Shipboard Equipm
10、ent (Type I - Environmental And Type II - Internally Excited) Electronic Equipment MIL-STO-454 Standard General Requirements For MIL-STO-965 Parts Control Program MIL-STO-1310 Shipboard Bonding, Grounding, And Other Techniques For Electromagnetic Compati bi 1 i ty And Safety Test Equipment MIL-STO-1
11、364 Standard General Purpose Electronic 2. l. 2 Government drawings and pub1 ications. The fol lowing Government drawing and publication form a part of this specification to the extent specified herein, Unless otherwise specified, the issue shall be those in effect on the date of the solicitation. 2
12、 Licensed by Information Handling ServicesMIL-A-275L7 57 W 777770b 005L1383 7 W DRAWING SPAWAR 0330413 PUBLICATION SPAWAR Installation Guidance Details, OE-( )/SRC Emergency Whip Antenna ( Ti 1 ti ng 0967-LP-297-6010 Technical Manual For Antenna Coupler Group AN/URA-38A (Copies of specifications, st
13、andards, drawings, and publications required by contractors in connection with specific acquisition functions shoul d be obtained from the contracting activity or as directed by the contracting officer. 1 2.2 Other publications. The following documents form a part of this specification to the extent
14、 specified herein. Unless otherwise specified, the issues of the documents which are OoD adopted shall be those listed in the issue of the OoOISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the OoOISS shall be the issue of the nongovernment docume
15、nts which is current on the date of the solicitation. AMERICAN NATIONAL STANOAROS INSTITUTE (ANSI) C95.2-66 Radio Frequency Radiation Hazard Warning Y32.16-1975 Reference Designations For Electrical And Symbol Electronic Parts And Equipments (Application for copies shall be addressed to the American
16、 National (Nongovernment standards and other pub1 ications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational services. 1 Standards Institute, 1430 Broadway, New York, NY
17、10018.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets, or MS standards), the text of this specification shall take precedence. Nothing in this specification
18、, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. Licensed by Information Handling Services3 . REQUIREMENTS 3.1 General. The antenna group shall be in accordance with MIL-E-16400G to the extent specified herein. 3.1.1 First article. When specif
19、ied in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.4 and 6,3). 3.1.2 Operational requirements. The antenna group shall give reliable performance within the 1 imi ts speci f led herein, under conditions of intermittent or continuous operation during
20、exposure to adverse conditions normally encountered in Naval shipboard communication service. Mechanical and electrical ruggedness is of paramount importance for assurance of re1 iable performance. Government-furnished information (GFI) or Government-furnished equipment (GFE), shall be as specified
21、(see 6.2 and 6.8). shall be in accordance with the Parts, material S and processes paragraph of MIL-E-16400G to the extent specified herein. 3.1.3 Government-furnished material (GFM). GFM, if any, including either 3.2 Parts, materials, and processes. Parts, materials, and processes 3.2.1 Selection o
22、f parts, materials, and processes. Selection of parts, material s, and processes shall be in accordance with the Selection paragraph of MIL-E-16400G to the extent specified in 3.2.2 through 3.2.4.2. 3.2.2 Parts, Parts shall be in accordance with 3.2.2.1 through 3.2.2.3. 3.2.2.1 Individual selection.
23、 The performance of the antenna group shall not be depetident on the selection of individual parts, un1 ess such selection . is specifically approved by the procuring activity. 3.2,2.2 Nonstandard parts usage. Nonstandard parts shall be employed only with the approval of the procuring activity. Requ
24、ests for approval to use nonstandard parts shall be submitted in accordance with MIL-STD-965. 3.2.2.3 Insulators. Insulators shall conform to the electrical requirements specified in 3.6.4. Fiberglass insulators shall be treated to resist deterioration from sunlight and salt spray and shall be nonhy
25、yroscopic. The antenna insu1 ator shall be a permanently assembled sing1 e part 3.2.3 Materials. Materials shall be as spec 3.2.3.4. 4 ified in 3.2.3.1 through O n O a Licensed by Information Handling ServicesMIL-A-27517 57 m 7777706 005q385 2 MIL-A-29517( EC) 3.2.3.1 Selection of materials. Where m
26、etal-to-metal contact of dissimilar metals occurs, the selection of materials shall be in accordance with the Oissimilar metals paragraph of MIL-E-l6400G, for combinations of metals subject to immersion, splashing, or spray from sea water. 3.2.3.1.1 Attachment hardware. Attachment hardware shall be
27、limited to the types of metal-to-metal contact specified in a through d: a. Al umi ni zed hardware to al uminum metal b. Brass hardware to brass metal c. Brass hardware to austenitic corrosion-resistant metal, d. Corrosion-resistant steel-to-steel metal subject to the approval of the procuring activ
28、ity 3.2.3.2 Unacceptable materials. Materials specified in the Unacceptable materials paragraph of MIL-E-16400G shall not be employed in the antenna group. 3.2.3.3 Antenna and transition. The whip element shall be made of spun aluminum, but the whip shall be designed to mount on steel surfaces. A sp
29、ecial aluminum-to-steel transition mount shall be provided for mounting a . CU-932A/URA-38 coupler, as specified in SPAWAR 0967-LP-297-6010, on an OA-9242(W)/SRC tilting mechanism, as specified in ELEX-T-598. O 3.2.3.4 Magnetic materials. The antenna group shall have a minimum magnetic signature in
30、accordance with the requirements specified in the Magnetic materials paragraph of MIL-E-16400G. 3.2.4 Processes. Processes shall be as specified in 3.2.4.1 and 3.2.4.2. 3.2.4.1 Soldering. Soldering shall conform to MIL-STO-454, Requirement 5. 3.2.4.2 Welds. Structural welding shall conform to MIL-ST
31、O-454, Requirement 13. 3.3 Design. Antenna group design shall be as specified in 3.3.1 through 3.3.8.1. 3.3.1 Antenna group capability. When installed in its design shipboard location, the antenna group shall pravide an emergency transmitting capability in the 2-MHz to 30-MHz range. Major components
32、 of the antenna group shall be as specified in TABLE I. TABLE I. Major components list. Indenture I tem Quantity Nomencl ature 1.0 . Antenna group - OE-417(V)/SRC 1.1 Antenna, 10.67-m (35-ft) whip 1 AS-3772( V)/U 1.2 Interconnecting feed assembly 1 “ 1.3 Al uminum-to-steel transition 1 set I License
33、d by Information Handling Services3.3.2 Functional interface, The antenna group shall operate with a tuner over the design frequency range and is intended for mounting on a tilting mechani sm. 3.3.3 Internal interfaces. Internal interfaces of the antenna group shall include the interconnection betwe
34、en the whip antenna and the copper strap which connects the whip to the tuner. tilting mechanism in accordance with the mounting configuration and . requirements of SPAWAR Drawing (DWG) 0330413. 3.3.5.1 and 3.3.5.2. 3.3.4 Mechanical interfaces. The antenna group shall interface with a 3.3.5 Reliabil
35、ity design, Reliability design shall be in accordance with 3.3.5.1 Oeratin , Temperature, power, and voltage stress levels and ratios, as app 7T-p 1cab e, shall be explicitly included in all mean-time-between-failures estimates. Oerating shall be in accordance with MIL-STO-454, Requirement 18. minim
36、ize failures due to parameter change as a function of manufacturing tolerances, environmental factors, and age. The factors specified in a through j shall be considered: placement, and machinery to1 erances to1 erances average 3.3.5.2 Tolerance sensitivity, The design of the antenna group shall a .
37、Normal manufacturing to1 erances , i ncl udi ng sol deri ng , wi ring , b. Normal variations in material quality, including finish c, Vari ations in appl ied radio frequency (RF) voltages, peak and d. Variations in power dissipation e. Range of ambient temperatures and rate of change f . Vibration l
38、evel S, steady-state and transient g . Humidity h. Operational aging, particularly that of dielectric materials i. Nonoperational aging (storage life), shipping, and handling j . Salt spray and stack gas deposits, particularly on insulators from exposure to sun, ozone, and stack gasses effects 3.3.6
39、 Maintenance design. Maintenance design shall be as specified in 3.3.6.1 through 3.3.6.4. 3.3.6.1 Throw-away subassemblies. The designation of subassemblies as throw-away shall be subject to approval of the procuring activity. 3.3.6.2 Repairable subassemblies. Subassemblies designated as repairable
40、shall be designed for ease of maintenance (see 6.6). 6 =f - “= Licensed by Information Handling ServicesMIL-A-275L7 57 m 7777706 005LI387 6 8 e L d) O 3.3.6.3 Adjustment and alignment. The antenna group shall not require component adjustment or alignment when installed in the ship, or during mainten
41、ance or repair. 3.3.6.4 Test equipment. The design of the antenna group components shall be such that all maintenance and repair action may be performed using only standard general purpose electronic test equipment (GPETE), or substitute standard GPETE, as specified in MIL-STD-1364. 3.3.7 Mechanical
42、 design. The design of the antenna group shall conform to the Rounded corners and edges and Moisture pockets paragraphs of MIL-E-16400G. 3.3.7.1 Antenna whip element. The top of the antenna whip element shall be closed to prevent the entry of water and salt spray. The Antenna Assembly, AS-3772(V)U,
43、as a whole, shall be splashproof as specified in the Splashproof paragraph of MIL-STD-108. 3.3.8 Safety design. The safety requirements for the antenna group shall be in accordance with MIL-STD-454, Requirement 1. 3.3.8.1 Electric shock hazard labeling. Hazard labels shall be permanently attached to
44、 each antenna in a position readily visible to personnel in the area and shall contain the following in the upper triangle: DANGER RADIO FREQUENCY SHOCK HAZARD The following statement shall appear in the lower triangle: A RADIO FREQUENCY SHOCK HAZARD MAY EXIST TO PERSONNEL CONTACTING THE ANTENNA Col
45、or and format shall conform to ANSI (35.2-66. Dimension D as specified in ANSI C95.2-66, Figure 1, shall be at least 0.3185 centimeter (cm) (0.125 inch (in.). 3.4 Construction. Construction shall be as specified in 3.4.1. 3.4.1 Aluminum-to-steel transition set. The aluminum-to-steel transition sets
46、shall be constructed with exDlosion bondinq techniaues and shall be designed to provide a secure mounting for the C-932A/URA-38 coup1 er. 3.5 Transportability. All antenna group equipment shall be transportable by air, rail, truck, barge, or ship. The maximum dimensions of crated items shall not exc
47、eed 6.1 m (20 ft) in any dimension, nor 1.8 m (6 ft) in either of the other dimensions. 3.6 Performance characteristics. Performance requirements shall be as specified in 3.6.1 through 3.6.4. 7 Licensed by Information Handling Services3.1 6. MIL-A-29517( C) o 1 Fre uency ran e. The antenna group sha
48、ll conform to all requirements W o t IS specfication over the frequency range of 2 MHz to 30 MHz. 3.6.2 Power handling. The RF power input handling capability of the antenna group shall be 1 kilowatt average. 3.6.3 Impedance and vol tage standing wave ratio (VSWR) . The impedance shall be 50 ohms no
49、minal, with a VSWR not exceeding 2:1, The impedance and VSWR shall be stable from unit to unit and before and after environmental tests . 3.6.4 Insulator voltage. The whip insulator shall withstand the application of GO kilovolts, direct current, when clean and dry, without arcing or visible corona. I 3.7 Envi ronmental requirements. Envi ronmental requirements shall be as specified in 3.7.1 through 3.7.11. 3.7.1 Temperature, operating. The antenna group shall conform to al 1 performance characteristics $pecified herein whiie operating at any temperature in the range -54 Ce
