Global HF Interoperability Standards Documents |
| Basis for International Standard HF Interoperability Automatic Link Establishment (ALE) 2G-ALE: MIL-STD 188-141B USA-DOD Interoperability and Performance Standards for MF and HF Radio Systems. 2nd Generation 2G-ALE is the foundational Global Standard for HF Interoperability Automatic Link Establishment. Basis for FED-STD 1045B. Download: ALE MIL-STD 188-141B (pdf) 2G-ALE: FED-STD-1045A USA Federal Government standard for 2G-ALE, based on MIL-STD 188-141A. Applicable to all USA Federal Government Agencies for HF Interoperability Download: ALE Federal Standard 1045A (pdf) 2G-ALE, 3G-ALE: MIL-STD 188-141C 3G-ALE 3rd Generation ALE uses a faster robust modem signal with time-synchronized scanning and channel dwell intervals. Also 3G-ALE refers to the section of STANAG 4538 called FLSU Fast Link Set-Up. Download: ALE MIL-STD 188-141C (pdf) (4.7MB) |
USA Government ALE Handbook Chapter 3 Introduction and Overview of Automatic Link Establishment Systems Download: ALE Handbook Gov Chapter 3 (pdf) |
Basis for Global Standard HF Interoperability HF Modems USA DEPARTMENT OF DEFENSE INTERFACE STANDARD - INTEROPERABILITY AND PERFORMANCE STANDARDS FOR DATA MODEMS Download: MIL-STD 188-110B (pdf) |
Interoperability Field Guide (USA) |
| National Interoperability Field Operations Guide v1.6 US Government Department of Homeland Security Office of Emergency Communications Frequencies, standards, and interoperability HF-VHF-UHF-Microwave Download: NIFOG Field Guide v1.6 (pdf) (May 2015) The National Interoperability Field Operations Guide (NIFOG) is a technical reference for emergency communications planning and for radio technicians responsible for radios that will be used in disaster response. The NIFOG includes rules and regulations for use of nationwide and other interoperability channels, tables of frequencies and standard channel names, and other reference material, formatted as a pocket-sized guide for radio technicians to carry with them. National Interoperability Field Operations Guide v1.5 US Government Department of Homeland Security Office of Emergency Communications Frequencies, standards, and interoperability HF-VHF-UHF-Microwave Download: NIFOG Field Guide v1.5 (pdf) (Jan 2014) |
International Amateur Radio ALE Standards In addition to the global standard ALE protocols, the following documents hereby provide the public documented technical characteristics called for in FCC rules § 97.309(a)(4) : "(4) An amateur station transmitting a RTTY or data emission using a digital code specified in this paragraph may use any technique whose technical characteristics have been documented publicly, such as CLOVER, G-TOR, or PacTOR, for the purpose of facilitating communications." "Documentation should be adequate to (a) recognize the technique or protocol when observed on the air, (b) determine call signs of stations in communication and read the content of the transmissions." |
Amateur Radio Callsign to ALE Address Standard Protocol International Standard for Amateur Radio Callsign Conversion to ALE Address Download: Amateur Radio Callsign to ALE Address Standard Protocol (pdf) |
ALE Geographic Position Reporting Standard Geo Position Reporting based on AMD messaging in ALE. Manual and Automatic, Human and Machine readable GPS locating. ALE-GPR Geo Position Report Standard v1.1 (html) |
Common Alerting Protocol Standards |
Standard Common Alerting Protocol (CAP) OASIS Open non-proprietary standard data interchange format for exchanging all-hazard emergency alerts and public warnings over all kinds of networks. Download: CAP Common Alerting Protocol v1.2 - 2010 (pdf) |
Common Alerting Protocol - ITU Recommendation X1303 (CAP, Data Networks Open System Communications and Security) Download: Common Alerting Protocol ITU X1303 date 2007(pdf) |
| HF Modems and ALE Technology |
HF Serial-Tone Waveform Design by M.B. Jorgenson and K.W. Moreland, Communications Research Centre Download: HF Modems Explained STANAG (pdf) |
Interactions Among Ionospheric Propagation, HF Modems, and Data Protocols by Eric E. Johnson, New Mexico State University Download: HF modems Eric Johnson IES02 (pdf) |
Analysis of Third-Generation HF ALE technologies by Eric E. Johnson, New Mexico State University 3G ALE Advantages (pdf) |
SELCALL |
CCIR 493-4 Selcall HF SSB Land Mobile Selective Calling protocol commonly used in the Amateur Radio Service (4-digit) and commercial or NGO use (4-digit or 6-digit) in remote areas of the world, such as Australia and Africa, as implemented by Codan, Barrett, QMAC, Micom, Jenal, etc. |
| Download: UN Open Selcall 6-Digit (pdf) Open Standard United Nations HF SSB Selective Calling protocol |
Spectrum Management |
| NTIA Redbook - Regulations and Procedure for Federal Radio Frequency Management - U.S. Department of Commerce
- National Telecommunications and Information Administration.
International Table of Frequency Allocations (combined with USA table),
standards for spectrum management, emissions, and other information on
USA radio standards. Download: NTIA Redbook (pdf ~20MB) |
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