Russian ZS-1 SDR Transceiver

The ZS-1 is a HF all-mode fully software defined amateur radio. It features direct sampling receiver, direct digital synthesis based transmitter and USB 2.0 interface. The receiver has been developed for the most demanding users. It utilizes 16-bit 100 MS/s analog- to-digital converter and high dynamic range low noise front-end. That allows to achieve a…

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LDG DWM-4 Wattmeter

Description: The LDG Digital Wattmeter is based on a QST construction article in the July 99 Issue. This Wattmeter is a microprocessor controlled, multi-sensor power monitoring system that covers HF, VHF, and UHF frequency spectrums. A multifunction display allows full control of the meter’s menu system. Up to four remote sensors can be connected to…

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