Update JT-Alert 2.50.0 – 13/04/2021


The Microsoft .NET 5 desktop runtime is required to be installed for this version of JTAlert (and all future versions). The JTAlert installer will automatically run a runtime check utility which will offer to install the necessary runtime if it is not detected installed on your PC.

Important note regarding Q65 mode: Q65 support is only partial.Accurate Q65 B4 checks and Q65 logging are fully supported.There is no Alerting for Q65 DXCCs, States, Grids, Prefixes, etc.Includes Callsign database file version 2021-04-05 (2021-Apr-05)

New Features:

*** Important: Please review the new “JTAlert 2.50 features” help file for a complete description (with loads of images) of the new Callsigns,Activity, Messaging & BandHeat windows and the location of their respective settings. See under the “Help” window of the main JTAlert window or the shortcut in the “HamApps JTAlert” Windows start-menu group.

– Callsigns window: This replaces the old callsigns display grid embedded in the main JTAlert window. This window is fully resizable with no limit on the number of Callsigns displayed, except for available screen space and the number of decodes produced at the end of a period.

– Messaging window: This replaces the old Text Messages window. It will show both sent and received messages and retain them for 7 days. Previously sent/received messages can be saved for reuse. The message limit is 2048 character (old window was 256 characters).

– Activity window: This replaces the old Mode Activity window. It is resizable, supports the new FST4 and Q65 modes as well as the 560m, 8m, & 5m bands. Individual bands and modes can be turned off and not displayed.

– Band Heat window: This replaces the old Activity Bands display that was embedded in the main JTAlert window. It is now an independent window, supports the 560m, 8m & 5m bands, and can be set to display vertically or horizontally (the default). Individual bands can be turned off and hidden.


– Decodes window: Frequency column can be set to either KHz or MHz.

– QSL flags: The Lotw and Eqsl flag positions on the Callsigns display and Decodes window are no longer changeable. They are fixed in location.
Lotw -> bottom left of the Callsign.
Eqsl -> bottom right of the Callsign.

– Hotkeys: No longer user-changeable, they are now hard-coded.
F1 -> Help window F2 -> Settings window
F3 -> Callsigns window F4 -> Decodes window
F5 -> Text Messages widow F6 -> Call History window
F7 -> Alert Status window F8 -> Macros window
F9 -> not used F10 -> not used
F11 -> Activity window F12 -> BandHeat window

Alt + H -> Open browser to HamSpots.net Alt + Q -> Open browser to QRZ.com

– Callsign Display Grid: Has been removed and is now a separate, resizable window, simply called the “Callsigns” window.

– Text Messages Window: Now called “Messaging” Window, is only launchable
from the JTAlert first instance (#1).

– WSJT-X: B4 & Ignored callsigns are now highlighted in WSJT-X when they are hidden in JTAlert due to filtering.

– Menus: Several menus associated with the new Windows introduced with this release (Activity, Messaging & Callsigns) have been removed from the main JTAlert window. All necessary options/settings for these new windows can be set from the Options popup for each of these windows.


– Q65 mode: Callsigns not being displayed in the Callsign display and decodes not being displayed in the Decodes window.

– DXKeeper: non-AG eQSL member QSLs marked as “received” incorrectly considered as confirmed when running the Alert database rebuild. That is QSOs marked as confirmed from non-AG callsigns will no longer be considered during the rebuild.

– HRDLogbook V6+: Lat & Lon data missing from logging instruction sent to Log via its TCP interface

– Text Messages: Online status randomly incorrectly shows offline when the Callsign is online and has been sending messages.

– JTAlert debug data: Some session files not being truncated as part of the automated maintenance routines.

– JTAlert Installer: The desktop shortcuts checkbox settings when the installer was last run are now remembered and restored.

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