Easily calculate your Standing Wave Ratio (SWR) with the 9M2PJU SWR Calculator. This user-friendly tool is designed for amateur radio enthusiasts, helping you determine the efficiency of your antenna system with just a few inputs. If you enjoy using this extension and would like to support its development, consider buying me a coffee! https://www.paypal.com/paypalme/9m2pju Features: Simple Interface: Enter forward and reflected power in watts for quick SWR calculations. Instant Results: Get immediate feedback on your SWR value, allowing you to optimize your setup effortlessly. Modern Design: Enjoy a sleek, dark-themed interface that’s easy on the eyes, perfect for use in any lighting condition. Lightweight and Fast: This extension is lightweight, ensuring a smooth experience without slowing down your browser. How It Works: Input your forward power (in watts). Input your reflected power (in watts). Click on "Calculate SWR" to see your results instantly. Who Can Benefit? Whether you’re a seasoned ham radio operator or just starting, the 9M2PJU SWR Calculator provides valuable insights into your antenna performance, ensuring your setup is efficient and effective. Made for you by 9M2PJU