Visualyse Interplanetary Maintenance History

This document describes the changes that have been made to Visualyse Interplanetary for each maintenance release.

If an existing feature has been modified, or a new feature has been added, information on how to use it can be found in the online user guide.

To access this, select User Guide from the Help menu within the application.

Release 0.0.18.9 (September/2024)

The following changes have been made in this release:

Make Station ViewInfo visible to the Change Variable Wizard.

Release 0.0.18.8 (August/2024)

The following changes have been made in this release:

Make Antenna Type List resizable.
Fix possible issue after using CVW to change a Tracking Strategy from a built-in to user defined.
Revise 3D View zooming.
Improve Data vs Time graph when dealing with small value changes.
Performance improvements.

Release 0.0.18.7 (August/2024)

The following changes have been made in this release:

Add Advanced PFD Analysis features as detailed in this Technical Note: PFD Analysis Features.
Add Ctrl-Click to list dialogs to move item to top/bottom

Release 0.0.18.6 (June/2024)

The following changes have been made in this release:

Modification to the PFD Mask Antenna Type to add an option for masks to be defined by Alpha Angle not Elevation Angle.
Update Shaped Beam Antenna Type to allow multiple Gain(az,el) tables for different (az, el) pointing angles.
Fix dialog icon button drawing issues.
Fix issue when using Define Variable on a link and re-running the Link Group Wizard.
Fix dialog validation issue when using Elevation by Latitude.

Release 0.0.18.5 (June/2024)

The following changes have been made in this release:

Fix possible issue with Area Analysis with Tracking Strategies.
Fix issue with Custom Selection Method dialog not allowing decimal values for Minimum Track Angle.
Allow both Antenna and Beams to track at the same time.

Release 0.0.18.4 (May/2024)

The following changes have been made in this release:

Table View – ensure “Group to use” dropdown is updated as lists change.
Fix possible issue on the Tracking Strategy dialog when using “Advanced” option.
Allow Constellation Avoid to use the same constellation as under consideration.

Release 0.0.18.3 (May/2024)

Add new Tracking Strategy options as detailed in this Technical Note: Making Tracking Strategies

Release 0.0.18.2 (April/2024)

The following changes have been made in this release:

Add new setting for GIMS Database location.
Fix possible dialog issue on selecting built in Tracking Strategy - Avoid Constellation.

Release 0.0.18.1 (April/2024)

The following changes have been made in this release:

Add ITU-R RA.1631, ITU-R SA.509 Rec 1.1, ITU-R SA.509 Rec 1.2
Refactor Help menu.
Fix issue where 3D view was unable to scroll in some scenarios.

Release 0.0.18.0 (March/2024)

The following changes have been made in this release:

Add ability to define orbit station by Lagrange point, improved orbit station dialog and ability to load TLE directly into station orbit. As detailed in this Technical Note: Visualyse Interplanetary: General Satellite Dynamics Update and Lagrange Points.
Add ability to set the maximum number of active links that can use a single Traffic object.
Add some new Tracking Strategy Options as detailed in this Technical Note: Making Tracking Strategies
Add ability to reorder items on all the object lists.
Add toolbar icons for Change Variable Wizard / Solar System.
Improve horizontal scrolling on the list dialogs.
Default File | Open directory to Example Files on first installation.
Fix issue loading example files using terrain when software not installed in default location.
Replace Watch Window "Modify Watches..." with "Show Object Tree..." and "Hide Object Tree..." for improved clarity.
Fix icon issue on Object Tree.
Fix possible issue on Path Profile View when using ephemeris file.
Fix some spelling errors on some dialogs.
Make the Tracking Strategy and Handover Options dialogs resizable.
Enable horizontal scrolling on the Station/Link Group dialogs.
Use enhanced Combo Box on the Group Avoidance dialog.

Release 0.0.17.0 (February/2024)

The following changes have been made in this release:

Fix possible issue with losing connection to DK2 Network Server when PC goes to sleep.
Fix possible locale issue when importing GXT files.
Revise Lat/Long format to be 3.4 when exporting GXT files.
Fix Contour Antenna plot drawing issue on Antenna Types dialog.

Release 0.0.16.8 (December/2023)

The following changes have been made in this release:

Fix possible issue when using File | Import.
Warn that Propagation/Statistics are overridden when using File | Import.
Fix registry/Application ID issue.
Handle DK2 HID devices on About dialog.

Release 0.0.16.7 (November/2023)

The following changes have been made in this release:

Add interface to new release of population data. See: https://www.transfinite.com/content/population_data

Release 0.0.16.6 (October/2023)

The following changes have been made in this release:

Add notification when user loads a file created with a version of the software greater than the current version.

Release 0.0.16.5 (October/2023)

The following changes have been made in this release:

Add option to have Tracking Strategy filter where the Minimum Elevation Angle varies by Azimuth.
Make Visualyse Interplanetary Message dialog resizable.
Add extra validation when loading TXT files to better catch issues with Antenna Types.

Release 0.0.16.4 (September/2023)

The following changes have been made in this release:

Allow user to enter a User Defined Clutter Model where the clutter loss can vary by azimuth angle at Tx and Rx ends.
Fix issue with extra “Zero Gain Antenna” Antenna Type being added when TXT file is loaded.
Fix possible issue loading dynamic links from TXT file.
Improve loading Antenna Types from TXT files.

Release 0.0.16.3 (September/2023)

The following changes have been made in this release:

Add ability to save Visualyse Interplanetary ISIM files as Visualyse Professional SIM files.
Fix scaling of saved/loaded views to better take into account Microsoft Windows scaling factors.

Release 0.0.16.2 (September/2023)

The following changes have been made in this release:

Initial x86 version of Visualyse Interplanetary to enable users with no appropriate x64 ODBC drivers to access ITU databases.

Release 0.0.16.1 (September/2023)

The following changes have been made in this release:

Revise and improve the antenna/beam locking strategy by clearing the locks of all antennas and beams prior to the simulation update sequence undertaken at each time step.

Release 0.0.16.0 (August/2023)

The following changes have been made in this release:

Fix possible issue when loading a GXT file.

Release 0.0.15.8 (August/2023)

The following changes have been made in this release:

Fix beam drawing issue for GSO satellites.
Fix possible initial selection issue on Object Tree when item selection is in [all station objects] or [all link objects].

Release 0.0.15.7 (August/2023)

The following changes have been made in this release:

Resolve possible issue when saving/loading simulations to/from TXT file when using links with built-in Tracking Strategy.

Release 0.0.15.6 (August/2023)

The following changes have been made in this release:

Fix redraw issue when maximising Model View.

Release 0.0.15.5 (August/2023)

The following changes have been made in this release:

Fix filter on Clutter Configuration Import dialog.
Fix Traffic sub-menu being slow to display.
Ensure OpenGL station textures are created when running import wizards.

Release 0.0.15.4 (July/2023)

The following changes have been made in this release:

Use Lagrange interpolation for orbit vector update.

Release 0.0.15.3 (July/2023)

The following changes have been made in this release:

Fix issue loading TXT files in some scenarios.

Release 0.0.15.2 (July/2023)

The following changes have been made in this release:

Fix space tracks drawing issue on 3D View.
Handle SRS import errors better when MDB files haven’t been linked correctly.
Fix scrolling issue on Interfering Links tab.
Update installed DK2 DLL.

It is recommended all users install the latest DK2 device drivers (V8.22.26) from https://www.transfinite.com/content/dongledriverinstall_V8_22_26

Release 0.0.15.1 (June/2023)

The following changes have been made in this release:

Reconfigure Chart Settings dialog to accommodate users with low resolution screens.
Improve startup time of Chart Settings dialog.

Release 0.0.15.0 (June/2023)

The following changes have been made in this release:

Fix issue when selecting invalid items to log.

Release 0.0.14.6 (May/2023)

The following changes have been made in this release:

Fix possible redraw issues when using Shaped Beam Editor.
Fix locale issues when pasting to grid control.
Better address 2038 issues on Simulation Run Time dialog.
Resolve possible OpenGL issues on 3D View.

Release 0.0.14.5 (May/2023)

The following changes have been made in this release:

Add more new Menu icons.

Release 0.0.14.4 (May/2023)

The following changes have been made in this release:

Fix drawing issue on the Simulation Run Time dialog.

Release 0.0.14.3 (May/2023)

The following changes have been made in this release:

Add Suspend/Activate all Area Analysis option.
Add some new Menu icons.
Add Celestial Body to the list of variables visible to the Change Variable Wizard.
Fix possible crash in Change Variable Wizard.
Fix DPI scaling issues on OpenGL views.
Fix Overlay drawing issues on OpenGL views.
Fix possible issues with Date control on the Simulation Run Time dialog.

Release 0.0.14.2 (March/2023)

The following changes have been made in this release:

Modification to the PFD Mask Antenna Type to add an option to specify the PFD mask is used for RNSS calculations under Resolution 609.
Add ability to calculate GDOP into a Link Group.

Release 0.0.14.1 (March/2023)

The following changes have been made in this release:

Fix possible Toolbar icon redraw issue on low DPI displays.
Fix issue with Model/Watch view when using large toolbar icons

Release 0.0.14.0 (February/2023)

The following changes have been made in this release:

Fix redraw issues on Custom Selection Method dialog.

Release 0.0.13.9 (February/2023)

The following changes have been made in this release:

Add new Setting "Show Update Dialog at Startup".
Fix Constellation Wizard display issue.
Fix Station | Advanced Roll/Pitch/Yaw issue.

Release 0.0.13.8 (February/2023)

The following changes have been made in this release:

Handle Cancel consistently on Graph selection dialogs.
Fix issue when reloading a SIM file that has an incorrectly configured Graph plot.
Address possible locale issue when importing from TLE.

Release 0.0.13.7 (February/2023)

The following changes have been made in this release:

Add “Use Large Icons” and “Reset” toolbar options under View | Toolbars.
Fix issue when importing non-GSO systems from SRS when phase_ang is NULL.

Release 0.0.13.6 (February/2023)

The following changes have been made in this release:

Fix DPI issues on Link Statistics page when using lots of D.P.
Fix DPI scaling on Station Antenna Page.
Add Notification when Windows Scaling is set to a value that can cause truncated U.I elements.
Add Notification when Windows Resolution is less than the minimum of 1280x1024.
Provide more information when there are ITU Database connection issues.
Fix issues with Frequency View not allowing Return direction for a SIM with only that direction.
Revise example ISIM files to remove possible warnings on loading.

Release 0.0.13.5 (January/2023)

The following changes have been made in this release:

Show both percentage bad (all steps) and percentage bad (active steps).
Allow option to select whether graph CDF should be over all steps or active steps.

Release 0.0.13.4 (January/2023)

The following changes have been made in this release:

Fix possible issue in built in Tracking Strategy "Continue to Track".
Resolve possible drawing issues with Area Analysis in Direct2D mode.
Fix issue in IDWM when path length is 0.
Fix issue with TXT file import when icon starts with a number.
Resolve CDF drawing issue.
Resolve issue with Area Analysis contour label drawing at offset.
Fix issue setting CDF to use log Y-Axis in some scenarios.
Allow more than 6 Gain Tables to be used in Advanced Beam Options.
Fix possible issue with Distribution Chart redraw.
Resolve issue on Tracking Strategy dialog where Min Track Angle not being updated when change the Exclude Antennas option.
Resolve load/save issue with P.618 setting Maximum Percentage.
Fix issue on Chart Settings Dialog with invalid options (when using log-axis) being potentially displayed on initial display.

Release 0.0.13.3 (September/2022)

The following changes have been made in this release:

Add option on Constellation Wizard to switch off ground tracks in preview.

Release 0.0.13.2 (September/2022)

The following changes have been made in this release:

Add initial implementation of Generic GRD/GRC interface for Clutter/Terrain data.
Initial support for a Generic GeoTIFF Terrain/Clutter DLL.
Add support for ITU regions to Country Service Area Wizard.
Ensure elevations increase in new user defined Clutter Model where Clutter Loss can vary by elevation angle.
Fix error message when loading clutter file.
In (unlikely) event of issues loading overlay information, only report errors once.
Allow Export/Import of Clutter Configuration.
Fix possible memory issue when loading large Terrain/Clutter images.
Set Document modified flag when importing GSO/NGSO.
Add P2108 revision to Clutter Extra Models.
Fix "Don't draw" handling on Terrain Colours Dialog.
Fix issue drawing countries with opacity when using Direct2D.
Fix issue click selecting country in Service Area Wizard Area page.
Fix possible issue loading map data if two instances of Visualyse are opened at same time (prevent file lock).

Release 0.0.13.1 (July/2022)

The following changes have been made in this release:

Allow user to enter a User Defined Clutter Model where the clutter loss can vary by elevation angle at Tx and Rx ends.
Fix bug in extra losses -> trans horizon loss.
It is recommended all users install the latest DK2 device drivers (V8.20.21) from https://www.transfinite.com/content/dongledriverinstall

Release 0.0.13.0 (July/2022)

The following changes have been made in this release:

Add Sun Synchronous Orbits. More details here: https://www.transfinite.com/papers/Visualyse_Interplanetary_Orbit_Updates_and_Modelling_Doppler.pdf

Release 0.0.12.3 (June/2022)

The following changes have been made in this release:

Use SGP4 Version 2020-07-13

Release 0.0.12.2 (June/2022)

The following changes have been made in this release:

Use latest SOFA library (2021-05-12)
Update jpl_eph code to latest.

Release 0.0.12.1 (June/2022)

The following changes have been made in this release:

Fix issue displaying the Variable Definition dialog when running on Windows Server 2012 (R2). (Note: we generally recommend the software is installed on Windows 10/11).
Add a search bar to the Application Title bar. This allows users to search the menu options.
Add a notification icon to the Application Title Bar. This displays a badge with the number of notifications. Clicking displays the Notifications View. At present this is used to display general application information (new software updates, DK2 driver updates etc).
Implemented Windows 11 Snap Layout. When the program is running on Windows 11 and the maximize/restore caption button is hovered, the layout popup menu will appear near this button.
Update installed DK2 DLL.
Revise P.2109 elevation angle at building calculation.
Fix issue scaling Views when loading files saved with an older version.
Improve import from TLE

Release 0.0.12.0 (May/2022)

The following changes have been made in this release:

Add ITU-R P.452-17, ITU-R P.528-5, ITU-R P.1546-6, ITU-R P.1812-5, ITU-R P.2001-4, ITU-R P.2108-1, ITU-R P.2109-1.

Release 0.0.11.4 (May/2022)

The following changes have been made in this release:

Add ability to change Chart legend fonts.
Make the OTR term visible in the watch window and object tree, not part of the bandwidth adjustment.
Force the GSO inclination to be in the range [0, 90].
Results | View Results shows internal not display units in some cases.
Get the Interferer carrier for M.1461 continuous/chirped equations rather than wanted.

Release 0.0.11.3 (April/2022)

The following changes have been made in this release:

Add an option to the Link Path to allow the wanted signal to be calculated using integration of the Tx mask and Rx filter.
Show the wanted bandwidth adjustment on the frequency view if Tx and Rx carriers are the same.
Update message when Gain Table has errors in it.

Release 0.0.11.2 (March/2022)

The following changes have been made in this release:

Fix issue in Doppler calculation.
Fix possible bug when changing the number of ground tracks.

Release 0.0.11.1 (March/2022)

The following changes have been made in this release:

Allow Point Mass plus J2 to be set in the NGSO Import.
Fix issue so can set epoch time on dialog.
Minor revision to Power Control “Use Freespace only” calculation.
Fix ground track save/load issues.

Release 0.0.11.0 (March/2022)

The following changes have been made in this release:

Add seven new satellite icons.
Update M.2101 dialog to make clear horizontal/vertical = columns/rows

Release 0.0.10.9 (March/2022)

The following changes have been made in this release:

Add Interfering Frequency to Watch Window Worst Interferer object.

Release 0.0.10.8 (March/2022)

The following changes have been made in this release:

Fix issue exporting ITU M.2101 parameters in TXT file.
Add Option under File menu – “Save Inputs Report” to export SIM input parameters.
Change names of Doppler options

Release 0.0.10.7 (March/2022)

The following changes have been made in this release:

Include the OTR term in the Bandwidth Adjustment Factor shown.

Release 0.0.10.6 (February/2022)

The following changes have been made in this release:

Fix problems saving / loading text files when the DefVar Monte Carlo uses a table.
Resolve issues with TXT file loading/saving when using certain options for Dynamic Links.

Release 0.0.10.5 (February/2022)

The following changes have been made in this release:

Add throughput calculations in S-2131-1
Add ability to set statistics calculation options in links and link groups
Update shaped gain table advanced options label to say sub-satellite point or zenith for cases where multiple tables are used by ES/UTs.

Release 0.0.10.4 (February/2022)

The following changes have been made in this release:

Updated handling of Doppler effect including:

- New sim level setting use Doppler On/Off

- Option to change doppler On/Off in Simulation Settings dialog

- Frequency View updated with Y-Axis titles

- Option to select LinkPath frequency to ensure constant at Tx or Rx end

- Added new fields Tx/Rx/Listen Frequencies and allow to be shown on Object View.

Release 0.0.10.3 (February/2022)

The following changes have been made in this release:

Fix issue with propagation/statistics environment when loading TXT files.

Release 0.0.10.2 (February/2022)

The following changes have been made in this release:

Update / improve the Doppler calculations including new option for the receiver to track changes in the received frequency due to Doppler.
Changes to how Carriers without masks are shown on the Frequency View.
Fix issue with icons not updating on Model View after using the Import dialogs.
Fix issue saving/loading histograms.

Release 0.0.10.1 (February/2022)

The following changes have been made in this release:

Show Doppler calculations on Watch Window.

Release 0.0.10.0 (February/2022)

The following changes have been made in this release:

Fix warning when loading .TXT files that use P.618.
Performance improvements.
Fix dialog display refresh when duplicating station antennas.
Fix possible TXT file loading issues with old files.
Improve text for the tracking strategy selection method “avoid tracking station tracked by another antenna”.

Release 0.0.9.9 (January/2022)

The following changes have been made in this release:

Fix issue with Rec. ITU-R F.1336-5.

Release 0.0.9.8 (January/2022)

The following changes have been made in this release:

Fix possible crash when changing station Antenna Types.

Release 0.0.9.7 (January/2022)

The following changes have been made in this release:

Fix issue changing Latitude/Longitude grid spacing when using OpenGL 2D Views.

Release 0.0.9.6 (January/2022)

The following changes have been made in this release:

Performance improvements.

Release 0.0.9.5 (January/2022)

The following changes have been made in this release:

Improve performance when JPL Ephemeris file configured.
Fix issue with Export to Google Earth dialog

Release 0.0.9.4 (December/2021)

The following changes have been made in this release:

Ensure reference body set on non-GSO import.

Release 0.0.9.3 (December/2021)

The following changes have been made in this release:

On Import override propagation / statistics environment for links. Don't override global data.
Fix issue with Contour Antenna Type Properties dialog.
Fix issue with Beam colour getting lost when antenna type is updated.
Fix colouring by Antenna Type on Map Views.

Release 0.0.9.2 (December/2021)

The following changes have been made in this release:

Fix issue with applying colours to certain icons.

Release 0.0.9.1 (December/2021)

The following changes have been made in this release:

Display error message when attempting to load Visualyse TXT files.
Fix issues when Import multiple times with user defined propagation.

Release 0.0.9.0 (December/2021)

The following changes have been made in this release:

Fix some issue when using Probability Distribution graph.
Fix issues drawing Polar Plot / Line Graph when very -ve values.
Define Variable Service Area revise loading order in Text file to prevent issues.
Define Variable Service Area format output better in Text file.
Fix missing power variable in Object Tree.
Fix issue with duplicated output in DefinePowers in Text file.
Fix issue in Data vs Time graph where number of points increased and number of plots increased in same update.

Release 0.0.8.9 (November/2021)

The following changes have been made in this release:

Add missing power variables in Object Tree.

Release 0.0.8.8 (November/2021)

The following changes have been made in this release:

Fix issue in alpha PC algorithm.

Release 0.0.8.7 (November/2021)

The following changes have been made in this release:

Improve field spacing on Link Statistics tab on Simulation Results dialog
Improve frames and popup windows appearance on Windows 11.

Release 0.0.8.6 (October/2021)

The following changes have been made in this release:

Fix issue with EPFD/PFD in table view being shown as N/A.

Release 0.0.8.5 (October/2021)

The following changes have been made in this release:

Include option to synchronise all links using TDD so that all are on DL / UL at the same timestep
Terrestrial IFIC Search Results: Make Failed button more obvious
Fix possible issue when Earth Station located at North Pole.
Enable buttons better in Model View
Improve speed when SIM is running in non-interactive mode.
Enable/Disable Model View Add menu items for DefVar/Traffic depending on dongle status
Add DefVar to Model View menu

Release 0.0.8.4 (October/2021)

The following changes have been made in this release:

Speed up loading of SIM files that contain a large number of objects.
Make app more responsive on loading large files.
Fix possible issue when using a setup that falls back to the default “Microsoft Generic” software renderer.
Resolve DPI issue on Link Transmit Page.
Make application more responsive when initialising.
Fix issue displaying ground tracks on Mercator view.
Resolve “Forward Call to SPBM_ANTGAINEX” error when using Edit Contours dialog.

Release 0.0.8.3 (August/2021)

The following changes have been made in this release:

Update installed DK2 DLL.

It is recommended all users install the latest DK2 device drivers (V8.19.7) from https://www.transfinite.com/content/dongledriverinstall

Release 0.0.8.2 (August/2021)

The following changes have been made in this release:

Add option to export Beams to Google Earth.
Fix issue on Antenna Type Properties dialog.

Release 0.0.8.1 (August/2021)

The following changes have been made in this release:

Display DK2 driver version on About dialog.
Fix issues with Link Type and User Defined option on Watch View / Allow CVW to properly set this.
Add VisObj variables for Override Propagation / Stats.

Release 0.0.8.0 (July/2021)

The following changes have been made in this release:

Fix DPI issue on Watch Window.
Make fonts consistent on top and bottom trees of Watch Window.
Fix drawing glitch when clicking "Modify Watches..." on Watch Window.

Release 0.0.7.9 (July/2021)

The following changes have been made in this release:

Fix HANDLE leak in Map View when zooming/panning map when using Direct2D.
Fix issues loading a TXT format file when using Dynamic Links.
Revise and improve command line interface:
Options are now:
-x Close Visualyse at End
-s Save SIM file at End
-c Close SIM file at End
-r Run SIM non-interactively
Improve logic for handling “missing” values when loading old TXT files.

Release 0.0.7.8 (July/2021)

The following changes have been made in this release:

Update alpha PC algorithm to allow use of minimum power.

Release 0.0.7.7 (June/2021)

The following changes have been made in this release:

Include M.2101 power control algorithm.
Fix issue in M.2101 extended gain pattern.
Update M.2101 gain pattern dialog with tilt units.

Release 0.0.7.6 (June/2021)

The following changes have been made in this release:

Include enhanced M.2101 gain pattern.
Improve accuracy of transformation into local frame by checking if the same RB as destination so don't need to use solar.
Bug fix case when start time and run time are different.
Add new “Extra Clutter Model” to Extra Models. Details in Technical Annex.
Add implementation of ITU-R F.699-8, ITU-R F.1245-3.

Release 0.0.7.5 (June/2021)

The following changes have been made in this release:

Resolve issue where nan can be returned from 528-4 implementation.

Release 0.0.7.4 (June/2021)

The following changes have been made in this release:

Fix issue with F.1336-5 implementation.
Add option to have service area define variable with shape sixth of hexagon with inner and outer radius.
Handle loading an old SIM file that used a Scatter Graph (make width = 0, turn on markers).
Fix possible issue loading old SIM files created using Graphics Server.
Handle error conditions in P.676-11, P.676-12 better.
Resolve issue using double-click in Model View.

Release 0.0.7.3 (June/2021)

The following changes have been made in this release:

Fix TLE Import issue.
Revise arc avoidance Tracking Strategy.
Replace Sea with Geoid as station height reference in Object Tree.
Fix aero-stationary satellites being non-stationary.
Add V and H D/L and max scan angles.
Handle max scan angles in beam pointing.
Handle beam footprint for IMT gain pattern.
Label power as power at antenna.
Label beamwidth as half-power beamwidth.
Update peak gain when change IMT parameters.
Fix possible antenna/beam lock bug with SIM in which both antenna and beam are steerable.
Fix issue with RX import tool not setting RX temperature.
Fix DPI issue on Roll-Off Dialog.

Release 0.0.7.2 (May/2021)

The following changes have been made in this release:

Fix file format issue.

Release 0.0.7.1 (May/2021)

The following changes have been made in this release:

Add implementation of ITU-R P-676-12.

Release 0.0.7.0 (May/2021)

The following changes have been made in this release:

Revise GIMS error handling for V13.
Install newer DK2 DLL.
Ensure BT_Equ params dialog is greyed out after start.
Relabel Earth based gain pattern as ground based.

Release 0.0.6.9 (April/2021)

The following changes have been made in this release:

Fix possible file format issue.

Release 0.0.6.8 (March/2021)

The following changes have been made in this release:

Fix issue displaying the ITU-R F.1336 Parameters dialog.
Resolve some dialog styling issues.

Release 0.0.6.7 (March/2021)

The following changes have been made in this release:

Add UI to access number of beam points used when drawing beams on Map Views. Note: higher values will impact drawing performance.
Revise implementation of Tree Ctrl so Watch/Model views are more performant in large SIMs.
Add new chart marker options: Triangle Left, Triangle Down, Triangle Right, Pentagon, Hexagon, Star, Cross.

Release 0.0.6.6 (March/2021)

The following changes have been made in this release:

Complete UI for Orbit Vectors option.
Fix possible crash when re-running constellation wizard.

Release 0.0.6.5 (March/2021)

The following changes have been made in this release:

Update DefVar service area to allow selection for stations to be sea only i.e. converse of land only

Release 0.0.6.4 (March/2021)

The following changes have been made in this release:

Fix crash when selecting a Map View scheme.
Check if 3D height too low for current RB.
Ensure when creating stations from a view that only those station types valid for that view's RB are available.

Release 0.0.6.3 (March/2021)

The following changes have been made in this release:

Fix possible crash when using Service Area Wizard

Release 0.0.6.2 (March/2021)

The following changes have been made in this release:

Add more options to configure ITU-R P.618.

Release 0.0.6.1 (March/2021)

The following changes have been made in this release:

Improve axis scaling on Polar/Cartesian Plots
Fix Watch Window not displaying existing expanded items after update.

Release 0.0.6.0 (February/2021)

The following changes have been made in this release:

Add “Use Freespace only” Power Control option.
Add missing App30 patterns.
Add help text on pointing antennas at celestial body.

Release 0.0.5.9 (February/2021)

The following changes have been made in this release:

Show Reference Body at end of links on flat views.
Resolve possible issue in Shaped Beam types with multiple tables.

Release 0.0.5.8 (February/2021)

The following changes have been made in this release:

Improve application start-up speed.
Attempt to resolve font display issues in some dialogs for some locales.

Release 0.0.5.7 (February/2021)

Initial BETA testing release.