The MFJ-828 SWR/wattmeter covers 1.8 to 50 MHz and measures peak or average power up to 1,500 W. The unit includes an adjustable SWR alarm and can be set to interrupt an amplifier key line if SWR exceeds a preset limit. The meter requires a 12 V dc power supply, and we used the...
MFJ Enterprises Inc , Ameritron , Hy-Gain , Hygain,Cushcraft , Vectronics , Mirage , MFJ, MFJ Enterprises , Antenna,Radio , Ham Radio , Amateur Radio , Tuner,Analyzer, Starkville,Amplifier, Xiegu, Loop Antenna ,
Constructing an Accurate Digital QRP Wattmeter A search of prior QRP wattmeter designs led to the discovery of two QST articles: "A Simple and Accurate QRP Directional Wattmeter" by Roy Lewallen, W7EL, in the February 1990 issue, and "Linear Scale QRP Wattmeter with SWR ... P Sittner - ...
The MFJ-845 and MFJ-847 offer some new options for small, lightweight digital SWR/wattmeters. The MFJ-847 has a frequency range of 125 to 525 MHz and it measures power up to 120 W. The MFJ-845's frequency range is 1.6 to 60 MHz (160 meters to 6 meters) and it can measure ...