The Heathkit SB-610 Station Monitor Scope is a vintage ham radio accessory designed to be used with a station monitor or scope to display and adjust the settings for a transceiver. Made in the United States by Heathkit, this device is compatible with both Heathkit and other brand transceivers, providing a convenient way to monitor and test radio communication equipment. With connectivity options including SO-239 and RCA jacks, this station monitor scope is specifically designed for HF band operation, making it a valuable tool for ham radio enthusiasts looking to improve their equipment performance. Unit includes original construction and operation manual.