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Have Quick

Have Quick is an electronic counter-countermeasures (ECCM) frequency-hopping system developed for military use to protect ultra-high frequency (UHF) radio communications from jamming and interception.^[1]^[2] It enables secure tactical voice transmissions, primarily air-to-air and air-to-ground, in the 225–400 MHz band without providing voice encryption itself, though it is often paired with cryptographic devices like the KY-57 or KY-58.^[1]^[2] The system relies on precise time-of-day (TOD) synchronization, a daily word-of-day (WOD) key, and a net number to generate a pseudo-random hopping sequence via a cryptographic algorithm, allowing radios to hop frequencies rapidly—up to hundreds of times per second in later versions—to evade electronic threats.^[1]^[2] The Have Quick program originated in 1977 as a U.S. Air Force initiative to enhance secure communications for aircraft, with Magnavox receiving the initial development contract in December 1978 for a frequency-hopping technique.^[3] The first version, Have Quick I, entered production in December 1980, providing slow-hop capabilities for UHF line-of-sight voice links.^[3]^[2] Upgrades began in 1982, leading to Have Quick II's full-scale development in May 1983 and production by mid-1986, which introduced faster hopping rates, expanded frequency options, and improved anti-jam performance.^[2] By 2007, nearly all U.S. military aircraft were equipped with Have Quick, and it was adopted by NATO allies including the UK, with interoperability ensured through standards like STANAG.^[1] The system has been integrated into various platforms, such as the WSC-3 transceivers on Navy ships and airborne tactical radios from manufacturers like Rockwell Collins and BAE Systems.^[2]^[4] Have Quick II served as the standard for U.S. tactical UHF communications until its retirement in October 2024, replaced by the NATO-developed SATURN waveform, which provides enhanced jamming resistance through faster frequency hopping and digital modulation across more than 18,000 radios.^[5]^[6]

History

Development

The vulnerabilities of U.S. ultra-high frequency (UHF) tactical radios were starkly exposed during the Vietnam War, highlighting the need for enhanced anti-jam capabilities in the post-war era as electronics advanced to enable practical countermeasures.^[7] Progress in frequency synthesizer technology during the 1970s made pseudo-random frequency hopping feasible without requiring entirely new hardware, prompting the U.S. military to prioritize such upgrades to counter evolving electronic warfare threats observed in conflicts like the 1972 Yom Kippur War, where Russian-supplied jammers disrupted Israeli UHF links.^[8] Development of Have Quick was initiated in 1977 by the U.S. Air Force's Electronic Systems Division (ESD) in collaboration with the Navy, as an interim jam-resistant UHF system for tactical aircraft to provide stopgap protection against near-term threats until more advanced solutions like SEEK TALK could be fielded around 1985. Magnavox received the initial development contract in December 1978 for a frequency-hopping technique.^[8]^[3] The program leveraged existing frequency synthesizers in radios such as the AN/ARC-164 by integrating low-cost clocks and microprocessors as a simple applique modification, enabling pseudo-random hopping across the 225-400 MHz band without major overhauls to legacy equipment.^[9] Key milestones included prototype development and testing in the late 1970s, with initial field trials demonstrating compatibility with UHF tactical networks by 1978, leading to production modifications and the first flight of a production-configured E-3A aircraft in November 1981.^[10] Standardization efforts culminated in NATO's ratification of STANAG 4246 for Have Quick interoperability in the early 1980s, ensuring secure, jam-resistant communications across allied forces.^[11] Initial funding fell under broader electronic countermeasures (ECM) programs within the Department of Defense budget, with production contracts awarded starting in the late 1970s; for instance, Magnavox received a $23.7 million deal in October 1981 for 2,400 modification kits, while Rockwell Collins handled upgrades for ground systems like the GRC-171(V)4 radio by the mid-1980s.^[10] These efforts emphasized cost-effective retrofits, delivering over 60,000 units across Air Force and Navy platforms by the program's maturation.^[12]

Initial Deployment

The Have Quick system achieved its first operational deployment in 1981, primarily on U.S. Air Force F-16 fighters and KC-135 Stratotanker aircraft, under a $23.7 million contract awarded to Magnavox for 2,400 modification kits to enable frequency-hopping capabilities in existing UHF radios.^[13]^[10] This rollout marked the transition from testing to field use, addressing vulnerabilities exposed in prior conflicts such as the jamming threats during the Vietnam War.^[13] By 1983, the system expanded to U.S. Navy platforms, including F-14 Tomcat fighters equipped with ARC-182 radios featuring Have Quick functionality during carrier operations.^[14] Integration into legacy systems required extensive retrofits, particularly for older UHF radios such as the AN/ARC-51 and AN/ARC-164, which involved software upgrades to support slow frequency hopping and the installation of Time of Day (TOD) clocks for synchronization.^[13] These modifications included adding modem units and UHF control panels to ensure compatibility with the Word of the Day (WOD) and NET number parameters essential for secure operations.^[13] The Electronic Systems Division oversaw these efforts, focusing on rapid upgrades to tactical aircraft inventories without major airframe alterations.^[13] To support the rollout, the U.S. Air Force established dedicated training programs in 1982 at bases such as those under Tactical Air Command, instructing pilots and radio operators on initialization procedures, including secure distribution of WOD keys via cryptographic channels and mode switching between internal and external synchronization.^[15] These sessions emphasized practical exercises in frequency selection—manual, preset, or guard modes—to maintain operational readiness amid the system's novel anti-jam features.^[13] Early implementation faced logistical challenges.^[13] By 1985, adoption had accelerated significantly, with more than 1,000 aircraft equipped across U.S. Air Force and Navy inventories, laying the groundwork for broader tactical integration.^[16]^[13] This rapid scaling reflected the system's priority status in countering electronic warfare threats, though it strained supply chains for modification kits and training resources.^[16]

Technical Overview

Frequency Hopping Mechanism

The Have Quick system operates within the ultra-high frequency (UHF) band spanning 225 to 400 MHz, enabling short-range line-of-sight communications for military applications.^[17] It employs frequency hopping across 7,000 possible channels, spaced at 25 kHz intervals, to distribute the transmitted signal and evade electronic countermeasures.^[18] The hopping occurs at rates between 100 and 300 hops per second, with each dwell time on a frequency typically lasting a few milliseconds, allowing the system to rapidly change transmission frequencies in a coordinated manner.^[19] This slow-frequency hopping approach, distinct from faster variants in later systems, balances anti-jam protection with compatibility for existing radio hardware. At the core of the mechanism is a cryptographic pseudorandom number generator (PRNG) that produces the hopping sequence, ensuring the pattern remains unpredictable to adversaries without the proper initialization parameters. The PRNG is seeded using three key elements: the Time of Day (TOD), which provides a precise temporal reference often synchronized via GPS for alignment; the Word of Day (WOD), a daily changing cryptographic key; and the Net ID, which distinguishes multiple communication networks sharing the same WOD. These inputs initialize the PRNG to generate a unique sequence of frequency selections, preventing jamming by forcing interceptors to cover the entire band ineffectively.^[1] The hopping pattern can be represented in simplified form as f_n = \left( \text{PRNG}(\text{TOD}, \text{WOD}, \text{Net ID}) \mod N \right) + F_{\text{base}}, where f_n is the frequency for the n-th hop, N is the number of available channels (7,000), and F_{\text{base}} is the starting frequency of the band (225 MHz).^[18] This modular arithmetic ensures even distribution across the selectable channels while maintaining cryptographic security through the PRNG's complexity. The system maintains compatibility with amplitude modulation (AM) for voice communications, allowing seamless integration with legacy UHF radios without requiring digital signal alterations during hopping. It also supports data transmission rates up to 16 kbps, such as for encrypted text or low-bandwidth telemetry, by overlaying digital signals on the hopped carrier without interfering with the frequency agility. Synchronization of the hopping pattern across transceivers relies on shared TOD and WOD values, as detailed in related security protocols.^[17] Have Quick's spread-spectrum design enhances anti-jam resilience by spreading the signal power across multiple frequencies, diluting the impact of narrowband or partial-band jammers. This achieves a jamming margin of 10 to 20 dB, meaning the system can operate effectively even when the jammer's power exceeds the desired signal by that amount, provided the full hopping sequence is unknown to the adversary. The distributed power reduces the effective jamming-to-signal ratio on any single channel, making interception or disruption exponentially more resource-intensive for electronic warfare systems.^[20]

Synchronization and Security Features

Have Quick relies on precise Time-of-Day (TOD) synchronization to ensure all participating radios follow the same frequency-hopping sequence, typically achieved through GPS receivers compliant with ICD-GPS-060 or atomic clocks for backup in GPS-denied environments.^[21]^[22] This synchronization demands accuracy within ±10 microseconds to maintain alignment and prevent desynchronization during rapid hops.^[23] The Net Control Station (NCS) periodically broadcasts TOD updates every four hours via over-the-air transmission, enabling cold starts for new entrants or hot starts for ongoing nets, while emergency self-start modes allow limited operation if external sources fail.^[24] The Word-of-Day (WOD) serves as the primary cryptographic key for generating the pseudo-random hopping pattern, consisting of a 36-digit code divided into six segments of six digits each, formatted to resemble UHF frequencies (e.g., 300.050.235.050.225.150).^[24]^[17] This key changes daily at 0001 Zulu time and is distributed securely through COMSEC channels, such as Mylar tapes holding 35 days' worth of keys or electronic loaders like the AN/CYZ-10 Data Transfer Device, with older systems using the KOI-18 tape reader for punched tape input.^[24]^[25] Multiple WOD (MWOD) capability allows loading several keys for flexible net management, but all radios in a net must share the identical active WOD to communicate effectively.^[24] A net identifier, typically a 3–6 character alphanumeric code such as AXX.XYY (where A denotes the net type and digits specify the frequency table), distinguishes communication groups and prevents interference between concurrent networks using the same WOD and TOD.^[24]^[26] This identifier is loaded manually or via fill devices and selects from predefined hopsets, ensuring isolation for operational (A/B-nets), training (T-nets), or NATO-specific (FMA-nets) configurations.^[24]^[27] Have Quick's security model emphasizes transmission security (TRANSEC) through unpredictable frequency hopping rather than end-to-end encryption, making intercepted signals difficult to demodulate without the synchronized TOD, WOD, and net identifier.^[1] It integrates with separate COMSEC devices for voice or data encryption, such as the KY-57 manpack or KY-58 airborne units under the VINSON family, which provide wideband secure voice at 16 kbps using CVSD modulation while the hopping obscures the carrier.^[28]^[29] This layered approach—TRANSEC for anti-jam protection and COMSEC for content confidentiality—supports classified traffic up to TOP SECRET when both are active.^[24]^[30] In peacetime or training scenarios, Have Quick operates in a restricted mode using T-nets with limited hopsets of 16 frequencies to minimize interference with civilian spectrum, as directed by the Allied Radio Frequency Agency (ARFA) for NATO interoperability.^[24]^[31] These modes employ non-cryptographic training keys like KAL-269, which provide five preset networks but reduced jam resistance compared to wartime operations, facilitating exercises without full-spectrum access.^[31] ARFA coordinates frequency allocations to ensure compliance with international regulations during non-combat use.^[24]

Operational Utilization

In the United States Military

The United States Air Force has been the primary user of Have Quick since its initial fielding in the 1980s, integrating the system into key tactical and strategic platforms to enhance secure, anti-jam UHF communications for air-to-air and command-and-control operations.^[32] The system was incorporated into fighter aircraft such as the F-15 and F-16, where it provided frequency-hopping capabilities within the ARC-164 radio form factor to counter electronic threats during combat missions.^[33] Similarly, the B-52 Stratofortress received Have Quick upgrades as part of broader avionics modernization efforts, enabling resilient voice links in strategic bombing and reconnaissance roles.^[34] The E-3 AWACS also features Have Quick integration, supporting its role in airborne battle management by facilitating jam-resistant coordination with fighter and bomber assets.^[3] The United States Navy and Marine Corps adopted Have Quick to support carrier-based and expeditionary operations, incorporating it into platforms for joint tactical networks that demand high reliability in contested electromagnetic environments. In naval aviation, the F/A-18 Hornet utilizes Have Quick modes within its digital communication system, allowing plain or cipher frequency-hopping operations alongside other waveforms like SINCGARS for secure air-to-ground and ship-to-air links.^[35] Ground forces, particularly Marine Corps units, employ the AN/PRC-113 manpack radio, which supports Have Quick II for UHF anti-jam voice in tactical scenarios, including integration with airborne assets during amphibious assaults.^[36] This adoption extends to shipboard systems like the WSC-3, where Have Quick enables line-of-sight communications but requires careful synchronization to maintain network coherence across carrier strike groups.^[2] Have Quick proved critical in major operations, notably during the 1991 Gulf War, where it delivered anti-jam resilience against Iraqi electronic warfare attempts, supporting coalition air campaigns through protected UHF channels.^[37] The system's frequency-hopping mechanism allowed U.S. forces to maintain operational tempo in a dense threat environment, with Air Force and Navy aircraft relying on it for real-time coordination without significant disruptions from jamming.^[38] Inter-service compatibility was formalized through Joint Chiefs of Staff directives in the early 1990s, standardizing Have Quick protocols to enable seamless cross-domain communications across Army, Navy, Air Force, and Marine Corps units.^[39] This standardization facilitated its use in large-scale exercises like Red Flag, where integrated forces practiced joint air operations, honing synchronization for multi-service scenarios.^[40] Maintenance and upgrades for Have Quick emphasize annual Word of the Day (WOD) key updates and precise clock resynchronization protocols to ensure deployed units remain aligned with GPS-derived Time of Day (TOD) for hopping patterns.^[2] Over-the-air rekeying and manual TOD transfers via compatible radios like the ARC-210 support field units, while compliance with DoD information assurance standards governs distribution to prevent desynchronization in joint nets.^[41] As of November 2025, Have Quick continues to support U.S. tactical UHF communications during the ongoing transition to the SATURN waveform.^[42]

In NATO Forces

NATO adopted the Have Quick system through Standardization Agreement (STANAG) 4246, which was published in 1987 and mandated its use for tactical ultra-high frequency (UHF) communications in allied aircraft to ensure interoperability and jam resistance.^[43]^[44] This standardization built upon earlier U.S. developments, enabling seamless integration across multinational forces.^[11] The Allied Radio Frequency Agency (ARFA), responsible for NATO frequency management, coordinates Have Quick operations by allocating frequencies and facilitating the sharing of Words of the Day (WODs) through secure NATO channels, with updates issued annually to maintain synchronization and security.^[45]^[46] Key NATO users integrated Have Quick into their platforms by the late 1980s and early 1990s.^[47] These implementations supported joint air operations and enhanced allied communication resilience. One notable challenge in NATO operations was maintaining clock synchronization across different time zones, which was addressed through early 1990s upgrades incorporating Global Positioning System (GPS) time-of-day (TOD) inputs for precise alignment.^[48]

Advancements and Legacy

Have Quick II

Have Quick II (HQII), with production beginning in mid-1986, represents an incremental upgrade to the original Have Quick system, focusing on enhanced anti-jamming capabilities for UHF tactical communications. Development of HQII began as a follow-on program to address limitations in synchronization and jamming resistance identified during the late Cold War era, with incremental changes implemented through production starting in the mid-1980s and full enhancements fielded by the early 1990s.^[49]^[3] The program divides into two phases: Phase 1, with initial production in the mid-1980s, introduced a faster frequency hopping rate and simplified word-of-the-day (WOD) loading procedures to improve operational efficiency; Phase 2, scheduled for production in fiscal year 1992, incorporated an advanced pseudo-random number generator (PRNG) that expanded the available channels from 160 to over 500, enabling more secure and varied hopping patterns.^[11] Key enhancements in HQII include a reduced hop dwell time compared to the original system—approaching 2 milliseconds per hop in advanced configurations—to counter follow-on jammers more effectively, alongside improved algorithms for frequency selection across an expanded UHF band of up to 7,000 channels.^[3] Integration with the SINCGARS VHF system was achieved through multi-waveform radios, such as the AN/ARC-210, allowing seamless ground-to-air links in joint operations without requiring separate hardware.^[50] These upgrades provided superior resistance to electronic countermeasures, with reported jamming margins improved by 15–25 dB over Have Quick I in operational tests, while supporting data rates up to 75 kbps for secure voice and limited data transmission. Vehicular variants, including the AN/VRC-110 introduced in the mid-1990s, extended HQII capabilities to mobile platforms, facilitating full rollout across U.S. forces by 1995.^[51] HQII maintains backward compatibility with the original Have Quick I through selectable operating modes on upgraded radios, allowing interoperability in mixed environments by switching to legacy net structures and frequencies when needed. This mode selection ensures gradual transition without disrupting existing networks, while leveraging original synchronization features like time-of-day alignment for initial net entry. Overall, these advancements solidified HQII as a cornerstone of tactical UHF communications, balancing enhanced security with operational flexibility.^[11]

Transition to Successor Systems

By the 2010s, the original Have Quick design, reliant on analog frequency hopping across approximately 7,000 channels without inherent encryption, proved increasingly vulnerable to advanced digital jamming techniques that could predict or follow hop patterns more effectively.^[52]^[47] This susceptibility, coupled with evolving electronic warfare threats, necessitated upgrades to maintain secure communications in contested environments. The SATURN waveform emerged as the primary successor under the Joint Interoperable Electronic Warfare initiative, approved by the U.S. Department of Defense Chief Information Officer in July 2018 as a direct replacement for Have Quick II.^[47] Developed collaboratively with NATO allies and the MITRE Corporation since the 1980s, SATURN incorporates fast-frequency hopping and digital modulation for enhanced anti-jamming resilience, supporting secure voice and data transmission in UHF bands.^[47] It offers improved performance over Have Quick, including better resistance to interference and optional modes for broader interoperability.^[53] The U.S. military mandated a full transition to SATURN across all services by October 1, 2024, replacing over 18,000 legacy Have Quick II radios to ensure unified secure communications. As of 2025, the transition to SATURN across U.S. forces remains underway.^[54]^[47] For NATO, interoperability was advanced through updates to Standardization Agreement (STANAG) 4372 Edition 4, promulgated on October 28, 2019, which defines SATURN parameters for UHF radios in fast frequency hopping modes.^[55] This standard facilitates coalition operations by standardizing equipment across member nations.^[17] Implementation involves upgrades to software-defined radios capable of SATURN, with hybrid modes allowing backward compatibility during the phase-out period. Rohde & Schwarz has delivered thousands of SATURN-enabled units, such as the R&S®M3AR and R&S®M3SR Series4400, for air, naval, and ground applications.^[53] BAE Systems provides SATURN-compatible radios like the ARC-232A, a lightweight software-defined unit leveraging the waveform's hopping for enhanced security in tactical scenarios.^[56] While specific models like the AN/PRC-163 from L3Harris support multi-channel operations, the focus remains on integrating SATURN across platforms for seamless transitions.^[52] Have Quick's legacy spans over 40 years of service since its initial deployment in the 1980s, providing foundational electronic counter-countermeasures that influenced subsequent systems, including narrowband capabilities on the Mobile User Objective System (MUOS) for resilient satellite communications.^[47] This enduring impact underscores its role in shaping modern ECCM strategies amid the shift to digital waveforms like SATURN.^[53]

References

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HAVE QUICK - Crypto Museum
Mar 31, 2010 · It is used for the protection of military UHF radio traffic, such as air-to-air and ground-to-air communications in the 225-400 MHz band. It was ...
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Have Quick At Sea—Lessons Learned The Hard Way - ALSSA
Use of proven anti-jam technologies, such as Have Quick (HQ), is becoming mandatory for tactical air communications in joint operations. The need for anti-jam ...
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Sep 3, 2002 · With the award of an initial development contract in December. 1978, Magnavox was given the task of developing a frequency-hopping technique ...Missing: history | Show results with:history
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ECCM such as HAVE QUICK and SINCGRS protects the radio communication from jamming. • SATCOM DAMA/IW coordinates multiple users on a waveform improving channel ...
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Oct 15, 2020 · The upgrade to SATURN will provide US forces with an improved radio resistant to jamming through fast-frequency hopping and digital modulation techniques.
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During the Vietnam War the Air Force used the term electronic support measures (ESM) to describe the collection of signal data that would facilitate jamming ...Missing: UHF | Show results with:UHF
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[PDF] The Rockwell-Collins AN/ASQ-166. - Air & Space Forces Magazine
HAVE QUICK. This program addresses the same need as the SEEK TALK program, but with a "quick-fix" emphasis, employing techniques that require neither ...
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[PDF] Navy Should Join the Air Force and Army Program to ... - DTIC
Jun 17, 1985 · ... mid-1970s that ... HAVE QUICK is a special applique which physically replaces the frequency synthesizer on the AN/ARC-164 UHF radio.
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[PDF] A Historical Chronology of the Electronic Systems Division 1947-1986
Oct 24, 1987 · 8 June. The Full Scale Development HAVE QUICK II Improvements letter contract was issued to Magnavox. 13 June. One of the major milestones of ...
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[PDF] Combined Annual Report to Congress on Standardization of ... - DTIC
Nov 1, 2024 · STANAG 4246 (edition 2) has been ratified for HAVE QUICK. II. The HAVE QUICK II system will provide a significant tactical jam-resistant ...
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Have Quick II MWOD in a smaller package. The AN/ARC-164 is in production and available for immediate needs. Over 60,000 units have been delivered to date ...
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Transition of HAVE QUICK: In 1981, the Electronic Systems Division's (ESD's) HAVE QUICK ... KC-135's, P-3's, vans, ships, submarines, and ground stations ...
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HAVE QUICK radios carried by VF-102 F-14's. The squadron returned to Norfolk on. 14 Decder after successful carpletion of Phase I of the workup cycle.
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Oct 24, 1987 · 23 November. The HAVE QUICK Program Office received the Air Force. Organizational Excellence Award. ... 30 September. During FY-1982, the HAVE ...
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Feb 1, 1984 · of the immediate post-Vietnam era. The increases in civilian ... our tactical ultrahigh frequency (UHF) radios with the "Have Quick".
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While the newer SATURN waveform shares some similarities with the legacy HAVE QUICK waveform, a number of differences exist between the two waveforms. Error!
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(2002 Wiley) Secure Communications | PDF | Encryption - Scribd
Rating 5.0 (2) Broadband Jamming Broadband jamming would demand enormous power in order to transmit on some 2000 channels simultaneously. ... Have Quick frequency hopping ...<|control11|><|separator|>
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Breaking and Entering - Euro-sd
Jun 3, 2024 · Open sources note that Havequick-I/II has a hop rate exceeding 100 hops-per-second. NATO's SATURN tactical communications waveform is destined ...
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Have Quick will be the first widely used spread spectrum radio. The Have ... 2 dB, then the jamming margin. Mj = 30-2-10 = 18 dB. Under the assumption in ...
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As a leading provider of Time & Frequency systems for military forces, Orolia offers high accuracy, high reliability and flexible solutions to synchronize ...
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AccuBeat's AR51-09 is a compact military grade GPS Disciplined Rubidium Time and Frequency unit with multiple Time of Day (TOD) and Have Quick inputs and ...
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protocol to little better than millisecond precision, which may be adequate for its purpose. ... The measurement screen shows the Time Source Type as Have Quick.
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Summary of each segment:
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The net number begins with an ”A” and is followed by three digits between 000 to 999. The last two digits designate the frequency table to be used.Missing: identifier character code
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Dec 14, 2011 · TERMINOLOGY • NET#: Determines the order in which the radio will hop among the frequencies, has the following form: AXX.XYY • In Combat Mode: XX ...<|separator|>
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KY-57 - Crypto Museum
Sep 18, 2010 · ... KY-58. The KY-57 was interoperable with the British BID/250 (Lamberton). It was sometimes used in combination with HAVE QUICK frequency hopping.
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Apr 24, 2024 · TSEC/KY-58 is a wide-band secure voice (WBSV) encryption unit, developed in the mid-1970s by the US National Security Agency (NSA) as ...
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Insufficient relevant content. The provided URL (https://www.alssa.mil/News/Article/2489634/have-quick-at-sea-lessons-learned-the-hard-way/) returned a "Not found" error, preventing extraction of details on Have Quick II enhancements, introduction, hopping, or jamming resistance. No content is available to summarize.
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... HAVE QUICK development is essentially complete with limited production. S installs currently being made in selected TAF combat coded aircraft. There is a.
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[PDF] UNITED STATES AIR FORCE
Feb 24, 1998 · Upgrades include the anti-jam radio (Have Quick. A-Nets), JTIDS TADIL J data Link, improved COMSEC equipment (ANDVT), and color consoles ...
[33]
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target, the enemy could encounter a flight of air- superiority F-15s or F-16s. ... secure voice communication system (Have Quick), and Air. Force Satellite ...
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[PDF] Implementation of the Digital Communication System in the F/A-18 ...
Prior to takeoff, the aircrew established non-. ECCM UHF, and HAVE QUICK voice and data communications with the CNI ground station using the Comm 2 DCS ARC-210.<|control11|><|separator|>
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[PDF] us marine corps technical manual - Public Intelligence
Dec 30, 2005 · ... HAVE QUICK II capable. HAVE QUICK II is the anti-jam, frequency ... 30.0 to 87.975 MHz (VHF) Number of Channels. 2,320. Frequency Entry.
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Feb 3, 1997 · Engineers completed an analysis of the HAVE QUICK system and performed CLASSIC RAPTOR test and analysis. ... The Persian Gulf War validated ...
[37]
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fielded as Have Quick frequency-hopping radios.53 While the assistant vice-chief, Creech began development of a communi- cations-jamming system based on ...
[38]
[PDF] Interoperability: A Continuing Challenge in Coalition Air Operations
such as Link 16 and Have Quick (or SATURN) are essential to com- pleting the loop between these parties (see Chapter Nine). Standards. No discussion of ...<|control11|><|separator|>
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2.2 TOD and NET Control. The specifications of SATURN are defined in the STANAG 4246 documents of NATO, which were published in January of 1987, but are ...
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The aim of this STANAG is to define the timing characteristics, the radio equipment characteristics and interfaces necessary to ensure interoperability of land, ...
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Limitations of Frequency Assignment Plans. The frequency assignment plans that have been discussed have limitations. Generally, a two-block frequency plan ...
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The frequency manager has numerous aids in performing spectrum analysis. The DOD agency specifically created to perform spectrum analysis is the ...Missing: Quick | Show results with:Quick
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Oct 16, 2020 · ... HAVE QUICK II system across all services by Oct. 1, 2024. The upgrade to SATURN will provide U.S. forces with an improved radio resistant to ...
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Oct 12, 2004 · HAVEQUICK radios use precision time, normally taken from a GPS receiver, in order to help them to get into and stay in the network. The specific ...
[48]
[PDF] Department of Defense Air Traffic Control and Airspace ... - DTIC
Aug 8, 1989 · with aircraft using HAVE QUICK units. The follow-on HAVE QUICK II program is providing incremental changes to the existing radios by adding ...
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Inside the borders, airspace, or territorial waters of foreign countries, U.S. forces have no independent authority to use radio frequencies during peacetime.Missing: ARFA | Show results with:ARFA
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SATURN rising - European Security & Defence - Euro-sd
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[52]
SATURN - Rohde & Schwarz
Designed to resist jamming and interference, SATURN ensures robust communications links, making it the successor to the HAVEQUICK (HQ) waveform and the current ...
[53]
STANAG 4372 Ed 4 - NISP Nation
Jan 10, 2023 · STANAG 4372 Ed 4 is about SATURN, a fast frequency hopping ECCM mode for UHF radio, and is a NATO standard.
[54]
BAE Systems awarded $111 million in contracts to bring modernized ...
Jul 10, 2024 · BAE Systems' next-generation software defined radios will leverage SATURN's fast frequency hopping waveform. SATURN will deliver new advantages ...