Military Radio Frequencies

Military Radio Frequencies - (1) A military requirement for a frequency band, sub-band or ITU service indicates that damage or harmful interference to the military use of that frequency band, sub-band or ITU service would seriously impair the effectiveness of NATO forces.

. A Only bands (column A) and ITU services (column B) are specified where there is a military need. This does not include, unless otherwise indicated, the use of official applications for these and other ITU services in accordance with the ITU Radio Regulations;

Military Radio Frequencies

Source: www.globalsecurity.org

A typical EAM message is 30 characters long but can vary. There have been over 200 EAM characters in the past The message usually ends with "mainsail out", but this may change depending on what is being sent from the former.

Emergency Action Messages

(going out). The maincell is the unified callsign for all land stations in the network. From 2013 – April 2015, "mainsail out" was used more on the end than on the main base. From there, you will now mostly hear the call used on the sender/receiver.

NATO released the information for research and educational purposes. Any commercial use requires the written consent of NATO. Please credit the NATO Archives or any documents used for publication. A guide to relevant NATO published information can be found on the NATO Archives website (http://www.nato.int/archives).

Source: www.para.org.ph

EAMs are usually calculated on the HF-GCS frequency and it usually doesn't take you long to hear it. They begin with a six-character title, this introduction may have several uses, but the NPS says that the Minuteman Missile begins with "the step telling staff which version and page number to use. On the other right page staff know which message to use.

can." of workers. Receivers have access to a quick action link where messages and instructions are copied. Then the message continues and repeats. Although the ITU Radio Regulations contain clear provisions for military use of the frequency spectrum, Article 48 of the ITU Constitution and Radio Regulation 4.4 provide special cases that can be added to NATO forces to achieve flexibility in the RF spectrum used for traffic access.

Other Sources Of Military Related Activity

Most service-assigned and harmonized NATO bands belong to Europeans Table of frequency allocation and resources. Harmonization of the radio frequency spectrum ensures that military alliances function properly. Today's military needs spectrum for a variety of uses beyond just communications.

Amid the growing demand for these display availability, military organizations must ensure that there is an appropriate level of standardization to ensure compatibility with joint forces. Sometimes messages are addressed to specific recipients and strategic callsigns are read at the end of the message.

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For example "To the Waiter" and "For Trinity" were previously used as call names. These callsigns change frequently and can change in as little as an hour or less HF-GCS is used by the United States Air Force to send orders by message for their operations and often to send Emergency Action Messages (EAMs).

HF-GCS is not limited to the USAF, and is used by other nations as well, but not as often. They also send high-level messages known as "skyking messages" that will be read over-the-top and disrupt EAM reading.

Use Of The Skybird Callsign

All these messages are read live in timed and NATO phonetic characters. The High Frequency (HF) Global Communications System (HFGCS) supports the military planning and operational requirements of the following agencies: White House Communications Agency (WHCA), Joint Chiefs of Staff (JCS), Air Mobility Command (AMC), Air Combat Command (ACC).

, AF Air Intelligence Agency (AIA), Air Force Materiel Command (AFMC), Air Force Space Command (AFSPC), United States Air Forces in Europe (USAFE), Pacific Air Forces (PACAF), and Air Weather Service (AWS) ) Varies with the media, knowing when a military station will go on the air is a game of patience;

Source: media.defense.gov

Therefore, any activity reporting is time sensitive. As time passes, it becomes difficult to hear again. Mailing lists are one of the best ways to stay ahead of the curve, as traffic can be passed quickly.

The Utility DXers forum is very active and is just one of many such lists; More information is available on the Utility Monitoring page. A skyking message begins by telling the reader "DO NOT ANSWER skyking skyking", followed by a codeword, then two numbers for the hour, and ends with two strings of truth.

Skyking Messages

The message is then repeated. Skyking messages have the same fate as regular EAM and may change depending on where they are sent from. As of 2016 Skyking started with 3 letter trigraphs instead of codewords.

In 2015–2016 the trigraph was still used, but sometimes a codeword was used instead. 2. The use of the frequency band 225-400 MHz is being investigated. Implementation of T-DAB in low band and emergency service in high band is in progress.

Source: radiofreeq.files.wordpress.com

In this regard, according to national requirements and international positions for the use of bands, other decisions will take into account the results of conformity assessment and be based on ECPT/ERC decisions or recommendations and European standards.

Skybird is the single point of contact for all USSTRATCOM command posts, primary control centers, global HF stations, Air Combat Command (ACC)/Air Mobility Command (AMC) host tenant bases, air traffic control (ATC) towers of single sideband HF radios.

Digital And Other Modes

, and Defense Station Canada Air. The provisions of the NJFA Agreement apply to all NATO countries in ITU Region 1 although many requirements (naval, naval radar, aeronautical, radio-navigation and satellite requirements) apply to all NATO countries.

Military interests serving NATO operational areas are also identified in ITU Region 2. Skyking message also known as "Foxtrot Broadcast". These are important messages and are sent in a different format than EAM. Skyking messages sometimes also interfere with ongoing EAM because they are the most important

Source: media.defense.gov

"Skyking" is the messaging call sign for all Single Integrated Operations Plan (SIOP) aircraft and missile operations that are also responsible for the delivery of strategic bombers, reconnaissance aircraft and various support aircraft. The Single Channel Transponder System (SCTS) provides the ability to broadcast emergency action messages (EAM) and force direction messages (FDM) to command centers (USSTRATCOM, EUCOM, SHAPE, NMCC, USSPACECOM, and PACOM) and force control elements of the system.

Unplanned nuclear weapons. "Skybird" was never heard on HFGCS comms. When a Skying message is sent, the receiving aircraft(s) forward it to Skybird - which sends the Skying message and acknowledges it. The Skybird probably had many other uses and changed over time, but we see evidence of this Skybird in the CIA CREST document.

Locations Around The World

As mentioned above, many military stations now use ALE before sending actual traffic. Often, however, this traffic is sent using a mode not available in hobbyist decoding software, and/or is heavily masked or encrypted. See our DXing Digital Utilities article for a full discussion of some of these features.

HF-GCS has many transmission centers in different countries to be able to transmit around the world, hence the name "Global Communication System". Each site also has an ALE callsign. ALE (Automatic Link Establishment) is an HF system used to connect an HF station or network of stations.

HF-GCS is the HF gateway for SIPRNet, a network used by the US Department of Defense for their classified information. Andersen Air Base, Guam Andrews AFB, Maryland Ascension Island Crafton AB, United Kingdom Diego Garcia Naval Station, Indian Ocean Elmendorf AFB, Alaska Hickam AFB, Hawaii Keflavik NAS, Iceland Lages AB, Azores McClellan, Pubercott Ricote, Pubercott, California

, California. Secotire Station, Secotire Test Range, Florida "MPA", unknown primary HF-GCS frequency is 11175 kHz, and it transmits 24/7 on that frequency along with 8992 kHz. HF-GCS operates on their scheduled times 4724, 6712 (Croughton), 6739, 13200, and 15016, which are still all day.

Known Hf-Gcs Sites

Spectrum Monitor Electronic Magazine is the only remaining hobby level magazine that publishes logs from its subscribers. Many others have fallen by the wayside, replaced by many websites that don't even have the latest information. In 1982 the 16 members of NATO ratified the first version of the NATO Joint Civil/Military Frequency Agreement, an agreement that now serves as the basis for sharing frequencies among NATO members.

With the enlargement of the Union (including 13 more Member States) the new Member States responsible for frequency allocations have to adjust/comply with the allocations set out in the NJFA.

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