Many users connect a high-quality external communications speaker to the rear jack for better clarity.
Optimal performance depends heavily on the antenna setup. A common "mod" to improve poor reception involves ensuring the 17 ft whip antenna has a solid connection to a copper ground plane strip, often connected through hull fittings to the engine block to minimize RF interference. Key Technical Specifications kenwood tkm707 mods
Tonight, he tuned to 6.752 MHz USB, a frequency not on any marine chart. he tuned to 6.752 MHz USB
: Poor reception is rarely a hardware fault; it's usually a grounding issue. Experts recommend a solid connection to a copper ground plane strip and ensuring the AT-300 tuner is perfectly matched to the antenna. Thermal Endurance : The kenwood tkm707 mods