1、AMSC N/A FSC 5985MIL-DTL-25707/3C 15 September 2011 SUPERSEDING MIL-DTL-25707/3B 15 September 2006 DETAIL SPECIFICATION SHEET ANTENNA, FLUSH MOUNT (RADIUS OF CURVATURE - 66.50 INCHES) This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirement
2、s for acquiring the antenna described herein shall consist of this specification sheet and MIL-DTL-25707. FIGURE 1. Outline drawing antenna - L band. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25707/3C 2 NOTES: 1. Dimensions a
3、re in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .015 inch ( 0.38 mm) for three place decimals and .03 inch ( 0.76 mm) for two place decimals. 4. Finishes: Anodize ring in accordance with MIL-A-8625. Chemical conversion coating
4、 pan flange; paint pan body with flat white polyurethane enamel or equivalent; radome is to be flat black 5. Fill antenna cavity with polyurethane foam, density as necessary to maintain structural rigidity, radiation pattern as specified, and compliance to environmental requirements. REQUIREMENTS: D
5、imensions and construction: See figure 1. Temperature operating range: -49C to +96C. Frequency: 960 MHz to 1,220 MHz. Impedance: 50 ohms, nominal. VSWR of antenna: 960 MHz to 1,220 MHz, 1.8:1, maximum. 1,000 MHz to 1,100 MHz, 1.6:1, maximum. VSWR of sampling probe: 960 MHz to 1,220 MHz, 1.5:1, maxim
6、um. Power: 4 kW, peak; 100 watts, average. Weight: Less than or equal to 18 ounces. Part or Identifying Number (PIN): M25707/3-03. Data list: The measured VSWR and attenuation data shall accompany each antenna when required by contract. Inches mm Inches mm Inches mm .005 0.13 .177 4.50 1.63 41.4 .06
7、 1.5 .180 4.57 2.69 68.3 .11 2.8 .188 4.78 6.81 173.0 .129 3.28 .193 4.90 7.500 190.50 .160 4.06 .332 8.43 8.250 209.55 .169 4.29 .66 16.8 66.50 1689.1 .97 24.6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25707/3C 3 Referenced documents.
8、In addition to MIL-DTL-25707, this specification sheet references the following documents: MIL-A-8625 MIL-STD-1285 The margins of this specification sheet are marked with vertical lines to indicate where changes from the previous revision were made. This was done as a convenience only and the Govern
9、ment assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodian: Preparing activ
10、ity: Air Force - 85 DLA - CC DLA - CC Review activities: (Project 5985-2011-026) Air Force - 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
