# Features > 🇬🇧 You are reading the English version | 🇩🇪 [Deutsche Version](de-Funktionen) Overview of all main features of KST4Contest. --- ## Sked Direction Highlighting One of the core features: when a station makes a sked request **towards your direction**, it is highlighted **green and bold** in the user list. ### How does it work? The calculation is based on the following logic: - When station A sends a sked request to station B, it is assumed that A is pointing its antenna towards B. - If the resulting direction from A to your own station is within half the beamwidth of your own antenna, A is highlighted. **Example** (beamwidth 69°, half-angle 34.5°): | Situation | Result for DO5AMF in JN49 | |---|---| | Sked from F5FEN → DM5M | ✅ Highlighted (F5FEN points towards DM5M, close to JN49) | | Sked from DM5M → F5FEN | ✅ Highlighted (DM5M replies towards F5FEN) | | F1DBN is uninvolved | ❌ No highlighting | | DO5AMF/P (different location) | ❌ No highlighting for sked reply | The calculation does not include topographic path calculations – this is a deliberate simplification. It may be added in a future version. > Configuration: [Configuration – Antenna Beamwidth](Configuration#antenna-beamwidth) --- ## Sked Direction Spots (Built-in DX Cluster) From **v1.23**: Direction warnings are forwarded as DX cluster spots to the logging software when a QRG is known. Details: [DX Cluster Server](en-DX-Cluster-Server). --- ## QRG Detection (QRG Reading) KST4Contest processes every line of text flowing through the channel and automatically extracts **frequency references**. These are displayed in the user list in the **QRG column**. Recognised formats: `144.205`, `432.088`, `.205` (with configured band assumption), etc. **Benefit**: Without asking, you can directly look up a station's calling frequency and decide whether a contact is possible. --- ## Worked Marking Worked stations are visually marked in the user list – per band. Based on [Log Synchronisation](en-Log-Sync) via UDP or Simplelogfile. Reset the database before each contest: [Configuration – Worked Station Database Settings](Configuration#worked-station-database-settings). --- ## NOT-QRV Tags (from v1.2) When a station indicates it is not QRV on a specific band, this can be manually marked: 1. Select the station in the user list. 2. Right-click → Set NOT-QRV for the appropriate band. These tags are stored in the internal database and persist after a KST4Contest restart. Can be reset via the settings. **Benefit**: Prevents repeated sked requests on bands where the station is not active – saves time for both sides. --- ## Direction Filter Shows only stations in the user list that are located in a specific direction. Toggle using the N / NE / E / SE / S / SW / W / NW buttons or by entering degrees manually. Useful: While calling CQ in a specific direction, only show stations in that direction. --- ## Distance Filter Hide stations beyond a maximum distance. The **"Show only QRB [km] <="** button is a toggle. --- ## Worked and NOT-QRV Filter Toggle buttons (one per band) to hide already-worked stations and/or NOT-QRV-tagged stations. The filter takes effect **immediately** without manually reactivating (live since v1.22). --- ## Coloured PM Rows (from v1.25) New private messages appear in **red**. The colour fades every 30 seconds from yellow to white – like a rainbow fade. This makes it immediately clear how recent a message is. *(Idea by IU3OAR, Gianluca Costantino – thank you!)* --- ## PM Catching Some users accidentally post direct messages publicly, e.g.: ``` (DM5M) pse ur qrg ``` KST4Contest detects such messages that contain your own callsign and automatically sorts them into the **private messages table**. No messages are missed this way. --- ## Multi-Channel Login (from v1.26) Simultaneous login to **two chat categories** (e.g. 144 MHz and 432 MHz). Both chats are monitored in parallel. --- ## Dark Mode (from v1.26) Toggle via: **Window → Use Dark Mode** For individual colour adjustments: edit the CSS file (path in the program settings). --- ## Opposite Station Multi-Callsign Login Tagging (from v1.26) Support for stations that are active in the chat with multiple callsigns simultaneously (e.g. expedition setups). --- ## QRZ.com and QRZ-CQ Profile Buttons (from v1.24) For selected stations in the user list, there are direct buttons to open the **QRZ.com profile** and the **QRZ-CQ profile** in the browser. --- ## Sked Reminders (Sked Reminder Service) For agreed skeds, automatic reminder PMs can be configured, sent X minutes before the agreed time. Reminders are activated from the FurtherInfo panel. --- ## Priority List / Score Service KST4Contest automatically calculates a **priority list** of the most interesting contacts, based on: - Direction detection - QRB (distance) - AP availability (AirScout) - Worked status The top candidates are shown in a separate list, helping you not to miss the most important stations during contest stress. --- ## Interval Beacon Automatic CQ messages in the public channel at a configurable interval. Recommended: use the `MYQRG` variable so the current frequency is always accurate. Details: [Configuration – Beacon Settings](Configuration#beacon-settings). --- ## Simplelogfile File-based log evaluation using regex. Details: [Log Synchronisation](Log-Sync#method-1-universal-file-based-callsign-interpreter-simplelogfile). --- ## Cluster & QSO of Others A separate window showing the QSO flow between other stations. Particularly interesting during quieter night-time hours of a contest. This window can be minimised when not needed. Future plan: filtering to stations in your selected QTF.