Get help with high-power filter selection, installation, configuration, station integration, performance, and troubleshooting.
Use this category for questions and discussions related to high-power band-pass, low-pass, high-pass, and band-reject filters. Topics may include multi-transmitter and SO2R stations, interference reduction, filter placement, automatic switching, amplifier integration, insertion loss, SWR, isolation, overheating, and unexpected performance.
When requesting help, please include:
- The filter model and frequency band
- Transmitter, amplifier, and antenna-system details
- Operating mode and approximate power level
- Filter placement and switching configuration
- SWR, isolation, or insertion-loss measurements, when available
- A clear description of the issue
- Any troubleshooting steps already attempted
Please search existing topics before starting a new one, and use a descriptive title so others can find the solution later. Remove serial numbers, passwords, public IP addresses, and other sensitive information from screenshots or logs.