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fantastic item very handy worth buying. every ham needs one. got my MFJ-259C from Nevada UK.good company MFJ-259C now covers a super wide range -- 530 KHz to 230 MHz -- no gaps! It is super easy to use! Just set the bandswitch and tune -- just like your transceiver. SWR, Complex antenna Impedance and frequency are all instantly displayed simultaneously! MFJ-259C gives you complete picture of your antenna. Read SWR, return loss and reflection coefficient at any frequency all at once. Read Complex Impedance as series resistance and reactance (R+jX) or as magnitude (Z) and phase (degrees). Determine velocity factor, coax cable loss in dB, length of coax and distance to a short or open in feet. Measure inductance in uH and capacitance in pF at actual operating frequencies. It's an all-in-one ham radio test set Includes frequency counter, RF Generator, SWR Analyzer(tm), RF Resistance and Reactance Analyzer, Coax Analyzer, Capacitance and Inductance Meter and more! Large easy-to-read two line LCD screen and side-by-side meters clearly display your information. Here's what you can do . . . Find your antenna's true resonant frequency. Trim dipoles and verticals for lowest SWR at your favourite frequencies. Adjust your Yagi, quad, loop and other antennas, change antenna spacing and height and watch SWR, resistance and reactance change instantly. You'll know exactly what to do by simply watching the displays. Perfectly tune critical HF mobile antennas in seconds for super DX -- without subjecting your transceiver to high SWR. Measure your antenna's 2:1 SWR bandwidth and analyse multi-band performance! Check SWR outside ham bands without transmitting and violating FCC rules. Adjust your antenna tuner for a perfect 1:1 match without creating QRM. Take the guesswork out of building and adjusting matching networks and baluns and antennas. Accurately measure distance to short or open in failed coax. Measure coax length in feet, loss in dB, velocity factor and impedance. Measure inductance, capacitance and troubleshoot and measure resonant frequency, Q of traps, stubs, transmission lines, RF chokes, tuned circuits and baluns.Read full review
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