HTZ Updates - v.2024.1

February 1, 2024

Explore the new features in this month's release: HTZ v.2024.1. Users can access the latest release through the customer portal.

Spectrum /Windfarm / Wind turbine v. radar coverage - This feature will compute interference on radars coming from reflections on wind turbines considering radar rotating antenna (over 360° with a step of 0.1°) and perform the radar coverage according to the threshold degradation achieved in each azimuth.

Spectrum/Windfarm / Convert wind turbine to DTM or building – Option added to convert each "Wind turbine" object to either a Building obstacle or a DTM obstacle.

Spectrum/Coverage / Network Interference / C/I mode – With the ‘Interference on best server analysis’, if the "Interferer sum applied" option is checked, the report will list the total interference found on each station channel. In this case, only activated stations will be considered. If the "Interferer sum applied" option is not checked, the report will list the interference levels found by a pair of (Wanted/Unwanted) stations.

Spectrum/Coverage / Network Planning / Network frequency assignment – Addition of the ‘Assign cx #’ option. It will assign only the selected channel number to each station. The assignment is not performed if this channel is not present in the station. The ‘Check rules’ feature lists the conflicts for the channels that are not fulfilling one of the rules. It is intended to be used once the frequency assignment has been performed.

Interface & Report/Export to Google Earth site by site – The label of each exported site can be either the ‘Callsign’ or the ‘Address’ field.

Interface & Report/File / Export / Layers to TIFF/TFW – The option to create the TIFF/TFW file geocoded in 4DEC (EPSG:4326) has been added if the selected layer is ‘Colour result layer’ or ‘Result layer.’

Broadcast + CCTV/Broadcast / SFN – This feature will create a ‘0dB echo’ map with 255 code displayed where at least two stations are received with a field strength (or power) value within the predefined delta value and with a delta TOA (in absolute value) within the predefined range. If the delta is set to 0, the delta TOA is not considered.

Broadcast + CCTV/CCTV – new model – to define and compute coverage ranges according to the specifications of the camera and the size of the target.

Propagation models/ITU-R 1147-4 SSN DB – The ‘upd’ button has been added. It will update the SSN according to ITU tables from January 2000 to December 2024.

Antenna DB – A new antenna database has been implemented according to ITU specifications.

Mobile/Frequency Assignment / Coverage mode – The ‘Delta Freq. between neighbours’ option has been added to the ‘Forbid same frequency if same neighbour’ option. If checked, the delta between two given frequencies of two neighbour stations will be forced to be greater than the minimum required value. If this is not possible, no frequency will be assigned.

P2P - P2MP – MW links/Ellipsoid parameters – The Fresnel zone fraction (FZ) and the ellipsoid order (k) are now saved in the PRM file. NB. (k) is used for ellipsoid clearance calculations; - (FZ) is used for sub-path attenuation calculations.

P2P - P2MP – MW links/Microwave – The ‘DivMod’ field has been added to the MWX64 exchange table. It is taken into account if only two frequencies are defined for the MW link considered. If DivMod is equal to 0, the MW link is defined in ‘2+0’ mode. If DivMod is equal to 1, the MW link is defined in frequency diversity (FD) mode.

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