HTZ Warfare

Modelling all radio communications technologies between 8kHZ to 1THz
Battlespace spectrum management
Offensive & Defensive CEW mission planning
UAS/UAV & Counter-drone network analysis
OTM Mission planning & optimisation
Ground-Air-Maritime CEW
Co-existence analysis


HTZ Warfare is a comprehensive radio network planning and spectrum engineering tool for the deployment, optimisation and real-time analysis of mission-critical communications. Its powerful propagation engine comprises of ITU and industrial-standard deterministic and empirical models to model airborne, spaceborne, terrestrial and maritime radio networks.

For over three decades, leading military and defence spectrum organisations have relied on HTZ Warfare to design and optimise their offensive and defensive EMS operation missions. This technology-neutral solution supports all radio technologies including VHF/UHF/4G/5G, tropospheric links, UAV/UAS/drones and counter-drone, satellites in GSO/NGSO, MANET, radars, DF and jammers. Key features include coverage range analysis, site searching, On-the-Move path optimisation, link profile analysis, interference and coexistence mitigation strategies and automated frequency assignments.

The tool is equipped with a third-party spectrum DB plug-in to import ITU BRIFIC/SNS/SMADEF XML and civilian spectrum DB. The integrated map module streams the newest satellite images from MAXAR (insert link).

HTZ is a complete software solution for managing electronic warfare communications.

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Key features include:

Communications network planning and optimisation – Coverage analysis, site search, interference mitigation and automated frequency planning of any radio systems between a few kHz up to 1 THz

On-the-Move mission planning– Network connectivity and coverage analysis in complex/ad-hoc mesh networks for OTM scenarios in the air, ground and maritime;

Radar simulation – Analysis of vertical and horizontal detection ranges for any deployment environment;

Direction Finding network design - Coverage and localisation accuracy analysis;

UAV/UAS mission planning – Flight path and elevation analysis optimisation between ground-to-air and air-to-air operations, including connectivity analysis. The counter-drone efficiency analysis calculates network coverage based on different height elevations or potential flight paths;

Counter-drone/counter-UAS - Site nomination and optimisation based on radar detection and DF localisation inputs to analyse jamming efficiency for target elevations and areas;

Coexistence analysis  - Protects radars and CEW networks from civilian networks in dynamic spectrum operation environments;

Satellite – Supports GEO, MEO and LEO satellites and the earth segment coverage, connectivity and interference analysis. Import from ITU/SNS database directly into HTZW;

5G Non-Terrestrial Networks - 5G connectivity analysis for any spaceborne and airborne vehicle operations;

Tropospheric Link Analysis – LF/MF/HF groundwave and skywave link analysis based on the time of the day and year;

Automation capabilities – Customised workflows to support varying end-user requirements or system capabilities. These simplified interfaces support software users with no radio propagation background or users in the field;

Integration with third-party databases – Integrates ICS Manager no-DB users to import from DB like ITU BRIFIC/SNS/SMADEF XML and other civilian spectrum sources.

Access to MaXar images – Streams the latest cartography from map data supplier MaXar.

GIS Engine – supporting any mission for land, air and sea using the integrated cartographic library.

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HTZ Warfare supports

  • The complete design of communication networks, including interference analysis, frequency assignment and generating alternative communication plans;
  • Link assessments between communication assets and analysis of the link performance;
  • Automated functions to evaluate the network performance, selecting radio sites and assigning frequencies during mission operations;
  • Moves individual sites and analyses communication capabilities virtually instantly.
  • Assesses the impact of communication site failures and their impact on the network, so that contingency plans are included as part of the system design process;
  • Assesses the risk of interception or jamming by known enemy electronic warfare assets;
  • Identifies network capabilities for moving elements, such as convoys through hostile territories. Identifies suitable locations for talk-through sites;
  • Analyses the operating terrain using 3D images of the battlefield from every angle;
  • Electronic Warfare for communications planning analysis, intercept vulnerabilities, identifies the possible effects of enemy jamming and developing plans to overcome these factors;
  • Network changes to any part of a network are analysed and viewed virtually instantaneously, including the assessment of the effect of failures or enemy action on the network. This enables mitigation planning and reduces the likelihood of communication failures in the field;
  • Plans for the deployment of intercept receivers, including intercept coverage assessment and gap identification, maximises the efficiency of deployed sensors and minimises the assets assigned to a given objective;
  • Deploys direction finders with best site searching, DF baseline coverage assessments and communications planning between assets. The system integrates with the DF systems so that DF hits can be displayed directly on the planner’s screen;
  • Plans offensive communication jamming missions, including asset optimisation, communications planning and assessments of jamming effects on own communications systems;
  • Determines the vulnerable points in known enemy communications systems and prioritises targets for attack.

HTZ Warfare is an off-the-shelf solution that can be deployed in standalone mode or embedded into existing or new systems. It's compatible with RESTful API, allowing it to interact with front-end web services. The API acts as a mediator between the users or clients and HTZ Warfare. Its client-server architecture manages requests through HTTP or other secure modes. Other architectures like WIN Socket can be accommodated. All options offer a high level of interoperability and plug-in functions to meet end-user requirements.

The API launches a black box of action codes to automate workflows within the software. The maximum number of simultaneous licenses running is equal to the number of licenses purchased. This means a single virtual machine can run multiple licenses of the software, with commands launched in order of priority.

This responsive solution allows users to interact with the radio planning functions responsively and in real time. The Rest API supports synchronization and features a unique SQL database. Parallel computing means that the simultaneous use of computer resources massively improves calculation speeds.

HTZ Warfare is an advanced battlespace RF planning and modelling software for spectrum engineering for tactical mission planning and analysis.

  • Design and optimise military communication networks for frequencies ranging from 10 kHz up to 450 GHz;
  • Manages HF, VHF/UHF, PMR, TRS, MW, Satellite, 2G - 5G, Wi-Fi, IoT network modelling and analysis;
  • Provides accurate simulation of advanced EW mission planning including jammers, radars, DF, interception & UAV/UAS;
  • Optimises site locations, number, power, frequency and efficiency of any radio system;
  • Provides advanced modelling of the electronic warfare battlefield (ELINT, COMINT) in 2D/3D views;
  • Creates coexistence scenarios for multiple radio systems;
  • Manages out-of-band interference, inter-modulation calculations and EMC analysis;
  • Models Air-to-Air/ Air-to-Ground/ Ground-to-Air communications and analysis;
  • Calculates battleship interference analysis for various near-field radio systems.

Learn more about Communications Electronic Warfare.

HTZ warfare is used extensively to manage UAV/UAS networks. These networks often require integration between ground-to-air, air-to-air services and complex scenarios for compatibility with other civilian and military communication services.

  • Features aeronautical propagation model ITU-R P. 528 ;
  • Manages frequency planning and interference analysis along with the waypoints;
  • Enables self-healing network planning using mesh techniques;
  • Features path-specific way-point coverage and optimisation on the fly path to overcome connectivity issues;
  • Enables radar detection avoidance planning by optimising the flying path and altitude optimisation;
  • Calculates interference levels when terrestrial networks directly impact drones along flight paths;
  • Instantaneous roll, pitch and course modelling; antenna orientation calculations and antenna discrimination along the flying path

View our Counter drone demo.

HTZ warfare supports communications between sea to sea, sea to air and land to sea in a maritime environments.

The complex scenarios for coverage, interference and intermodulation, which can be impacted within a battleships/ships environment, can be examined and simulated to ensure the radio systems in the same vessel are not negatively impacted in terms of performance or efficiency.

  • Near-field scenarios in Battleship: HF/VHF/UHF, radar, satellite systems intermodulation analysis;
  • Location optimisation of new radio systems against existing radios on board;
  • 3D modelling of battleships/ships from AutoCAD, ESRI Shape and PDF drawing;
  • Interference analysis against terrestrial radios against satellite earth stations to identify exclusion zones.

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HTZ warfare repeatedly performs highly accurate propagation predictions.

  • Features prospective planning to identify the best locations for new sites for greenfield and densification scenarios;
  • Supports migration analysis from analogue to digital communications;
  • Provides analysis of outdoor to indoor coverage by signal penetration loss calculations;
  • Manages population analysis by points, areas by vector polygon imports or raster files;
  • Allows in-depth coverage studies for network coverage, composite coverage, overlapping, best server and network densification;
  • Features propagation model-tuning by correlating analysis between predictions and measurements;
  • Automates frequency assignment and optimisation;
  • Manages traffic analysis by the ground occupancy, target areas or mesh blocks to cover;
  • Features P2P network analysis including path profile, reliability, automatic optimisation of the heights (plus power, frequency and space diversity) and frequency analysis;
  • P25 Simulcast planning and analysis.

View our Electromagnetic Deconfliction in TETRA networks demo.

HTZ warfare supports the design and modelling of TETRA, PMR/DMR, P25 and PS- LTE networks. It manages key functions such as coverage, capacity, site parameters and neighbour planning and optimisation.

It provides the highest levels of reliability, availability and resilience of critical communications networks. And allows operators to migrate smoothly to broadband connectivity and new technologies. Key features include:

  • Coverage and capacity planning;
  • Interference calculations;
  • Automated handover, neighbour list planning and analysis;
  • Monte Carlo simulations;
  • Automatic site planning and optimisation;
  • Automatic frequency planning;
  • Traffic & mobility profile editor (end devices).

View our TETRA network planning demo.

HTZ warfare is designed to predict HF Groundwave and Skywave propagation parameters, including Signal to Noise Ratio (SNR), Maximum usable frequency (MUF), Frequency of Optimum Transmission (FOT), Field Strength and reliability. The key features include:

  • Ground-wave propagation based on ITU-R P. 368-9 using conductivity and permittivity properties of the earth to calculate path loss;
  • Skywave for LF/MF at night using ITU-R P. 1147-2;
  • Downlink and uplink calculations supporting full reciprocity to users modelling mobile systems;
  • Able to study HF signal levels at different times of the day at different seasons;
  • Models sunspots and their impact on HF communications;
  • Calculates min/max and optimum frequency for HF communications;
  • Models ship transmitters;
  • Produces H & V cuts for HF antenna using type, ground conductivity, dielectric constant and operating frequency;
  • Features ITU R-533.

HTZ Warfare supports microwave link design for networks in any frequency band. It features an integral propagation model library which covers the frequency range 30MHz up to 300GHz.

This multi-functional tool enables users to manage multiple technologies in one project. Key features include:

  • MW link design;
  • Profile budget calculations;
  • Frequency and space diversity;
  • Multi-K factor calculations;
  • Climate and rain parameters;
  • Path loss calculations;
  • Automatic antenna orientation;
  • Link optimisation;
  • Automated frequency planning;
  • Interference calculations;
  • Quality objective calculations – ITU-R F. 1703 and ITU-T G.827

View our Microwave frequency assignment demo.

LTE and 5G are important to military organisations because they offer higher performance and support additional capabilities for data-driven applications. These capabilities support a new networked way of warfighting that brings together sensors and machines to revolutionise the battlespace.

HTZ Warfare supports LTE/5G private network planning and modelling and is used by military network operators across all domains.

In the UK alone, there are over 80 military and civilian aeronautical radars. To support the growing demand to monitor the airways, radar manufacturers and system integrators need to understand how radar performance can be impacted by interference.

HTZ Warfare features dedicated features for radar modelling, including:

  • Radar coverage - target detection height
  • Radar coverage - minimum defection height
  • Radar FS coverage (TD included)
  • Radar interference
  • Radar horizon tour
  • Mobile radar coverage
  • Radar constraint areas
  • Radar coordination


  • Indefinite access to software
  • Includes 1st-year maintenance contract
  • Regular software updates are available *
  • Access to ATDI's cartographic database*
*Subject to a valid maintenance contract
  • Monthly or yearly subscriptions
  • Scale up or down depending on workload
  • Add users as required and remove when not in use
  • Access to ATDI's cartographic database
Licensing modes

Online: requires an internet connection to access a standalone or server licence

no internet connection is needed to access a standalone licence

USB key:
online software download with access via a hardware dongle (offline)

Virtual Machine: access via end-user VM or cloud-based server options

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Current Version

What is the recommended PC / laptop configuration?

We recommend the following hardware specification to run HTZ communications / HTZ Warfare:

Processor: x64 multicore (Intel™ I7 or better CPU) with 4 cores minimum
Memory: 16 GB or more (minimum 8 GB)
Graphics adapter: memory of 2 GB, OpenGL compatible, Full HD Display (1920 x 1080 minimum)
Graphic card: 2 GB, OpenGL compatible, Full HD (1920*1080 minimum)
Hard disk: SSD 1 TB or more. Storage: 2 TB
Internet access for map download and access to the online library
Microsoft Office™ x64
X64 Operating systems: Windows™ 7, Windows™ 8, Windows™ 10, Windows™ 11, Windows Server™ 2012, Windows Server™ 2016, Windows Server™ 2019, Windows Server™ 2022.

NB. FIPS encryption compatible.

What is the recommended server configuration

Memory: 16 GB and more (minimum 8 GB)
Processor: x64 multicore (Intel® I7 or better CPU) with 4 cores minimum
Hard disk: SSD 1 TB or more. Storage: 2 TB
x64 multicore (Intel™ I7 or better CPU) with 4 cores minimum
Internet access (for map download and access to the online library)
Graphics card: 2 GB, OpenGL compatible, Full HD (1920*1080 minimum)
x64 OS Operating systems: Windows™ 7, Windows™ 8, Windows™ 10, Windows™ 11, Windows Server™ 2012, Windows Server™ 2016, Windows Server™ 2019, Windows Server™ 2022

NB. FIPS encryption compatible.

Can I use my customised propagation model in HTZ?

HTZ allows users to integrate their custom propagation models into the software. For more information, please contact

Can I model indoor propagation with HTZ?

Our software supports the complete network lifecycle including network design, planning and optimization. It allows engineers to model coverage from outdoor into indoor spaces and indoor to indoor, providing seamless coverage for end users.

Do you offer academic or research licenses?

ATDI offers Universities access to HTZ Communications licenses at a competitive price. Licenses can be hired for the academic year according to the numbers required. For the price of the packs available, please contact your local office.

U-Pack 5: for 5 simultaneous users

U-Pack 10: for 10 simultaneous users

U-Pack 25: for 25 simultaneous users

The educational packs include access to a dedicated server license, which allows a maximum of simultaneous users depending on the pack purchased.

HTZ Warfare licenses are available for military research agencies and training schools for students wishing to complete their thesis, providing this thesis offers contributes to developing a subject or theory for the telecom market.

Can I still use my old dongle?

As part of the upgrade from ICST to HTZ, we now use soft key activation codes. These are installed in the software directory for standalone licenses or on the server. The license options for these are listed below:

Standalone licence/s: This licence is attached to one standalone PC or laptop. Once the licence has been activated, it remains attached to the computer where the activation is initiated. No other application or software tool is required for set-up. A standalone licence allows each user to operate up to three instances of the software (CALs) at any one time.

Server licence: A Licence Server Management Tool needs installing and the server licence must be activated on that Server. The Client computer will then connect to the server to activate their local license. Any computer connected to the LAN can use HTZ, with the number of concurrent users or sessions equal to the number of licences available. A server licence allows each user to activate one instance of the software (CAL) per licence at any one time.

What propagation models are available in HTZ?

Our software supports a plethora of propagation models. For the latest released version, contact our support helpdesk.

Deygout 1994
Deygout 1991
Deygout 1966
UTD3D Multipath: Ray-tracing and Lambertian reflections2D reflections: minima/maxima, reflection point, 2-ray model
Absorption (dB/km, mix Diffraction/absorption…)
ITU-R P.617-3
ITU-R P.617-5
ITU-R P.676-12
ITU-R F.1820-0
ITU-R P.840-8
ITU-R P.530-18
ITU-R P.837-7
ITU-R P.838-3
ITU-R P.525-4
ITU-R P.526-15
ITU-R P.526-11
ITU-R P.1546-6
ITU-R P.1812-6
ITU-R P.452-17
ITU-R P.452-14
ITU-R P.368-9
ITU-R P.1147-4
ITU-R P.528-3
ITU-R P.528-5
ITU-R P.2001-4
ITM-NTIA (Longley-Rice)
Durkin3GPP-LTE (urban/rural)
Hata Seamcat modified
Hata Cost 231
Cost 231 open
Hata modified by ACMA
ITU-R P.529-3
ITU-R P.370-7
Cardif (HTZ warfare only)
ITU-R P.533-13
African Broadcast
FCC 98
Johnson-Gerhardt IF77
ITU-R M.1225-0
ITU-R P.2109-1
ITU-R P.2040-2
NBS 101
ITU-R P.618-13
ITM 122


What choices do you offer for hosting your software?

ATDI offers a choice of software hosting options. Our users adopt a desktop solution (standalone) or through LAN-server license or VPN (server) or via the end-user Virtual Machine (VM) or cloud-based server options (cloud).

What does the maintenance contract include?

To ensure our users make the most from their software, we offer an annual maintenance-service contract which offers access to:

Technical Support helpdesk – providing remote technical support and assistance. Our team of experts will diagnose, clarify and correct any issues that occur using our software from Monday-Friday 09.00-17.00 CET.

Software updates – providing timely software updates ensuring our software solutions keep up-to-date with technology developments and are free of errors.

Access to our map data library – providing users with royalty-free cartography ready for direct import into our software solutions.

What software licensing options are available?

We offer two licensing options: perpetual license for indefinite use and hire licenses.

Users can download the software onto as many machines as required. This software is activated in two ways:

Standalone license: This version is fixed to a standalone PC or laptop. Once the license has been activated, it remains attached to the machine where the activation is initiated. No other software application is required for set up. A standalone license allows each user to operate three instances of the software (CALs) at any one time. 

Server license: This option requires a License Server Management Tool to be installed and the license must be activated on that Server. The Client computer then connects to the server to activate their license. Any computer connected to the LAN can use the software, with the number of concurrent users or sessions equal to the number of licenses available. A server license allows each user to activate one instance of the software (CAL) per license at any one time.

We’ve simplified our product version numbers for HTZ: version xxxx.yy.z with xxxx = year and y or yy = month. z denotes when more than one release is made in the same month. For example, 2024.1 was released this month and 2024.1.1 = second release in the same month.
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