IF and associated interface requirements applicable to Satellite Communications SATCOM Earth Terminals ET operating over military X-band and Ka-band Super High Frequency SHF channels. Military unique requirements for ET that may operate over commercial C-band, Ku-band, and Ka-band are included. Equipment developers may exceed the requirements herein to satisfy specific program requirements, provided that interoperability is maintained. Thus, incorporating additional standard and nonstandard capabilities and interfaces is not precluded. Existing SHF SATCOM terminals need not conform to this MIL-STD unless they undergo a modernization program.

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MIL-STD-188-164B APPENDIX C

Sea-Based SATCOM OTM

C.1 Scope. This appendix applies to sea-based SATCOM systems that operate while on-the-move. It is a mandatory part of the standard. The information contained herein may replace specific requirements in the body of the standard (see section 1.1).

C.2. Applicable documents. The following documents form a part of this appendix to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

INTERNATIONAL TELECOMMUNICATION UNION (ITU)

S.524-9 Maximum permissible levels of off-axis e.i.r.p density from earth stations in geostationary-satellite orbit networks operating in the fixed-satellite service transmitting in the 6 GHz, 13 GHz, 14 GHz and 30 GHz bands

(Copies of ITU documents may be obtained from ITU online at https://www.itu.int)

C.3. EIRP spectral density (ESD). Terminals that are intended for use on both commercial and military satellites shall meet the off-axis ESD limits given by ITU-R S.524.9, dated 2006 or later.