JS8Call remote control, with automatic Maidenhead grid locator calculator. Receiving and sending to JS8Call. Play with JS8 everywhere. Enjoy ham amateur radio. Before using this app you need to setup JS8Call in Settings -> Reporting: - UDP server to IP address of your phone/tablet or broadcast IP address of your subnet. If you would like to use multicast, please set UDP server IP in JS8call to 224.0.0.1. Multicast IP is hardcoded at this moment. - UDP server port to 2242 and power on the js