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G0FAH Dipole SWR Frequency Plot - Ham Bands | by OpalMirror
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G0FAH Dipole SWR Frequency Plot - Ham Bands

This shows the SWR plot vs. frequency for the ham 75/80m, 40m, 20m (first line left to right), 17m, 12m, and 10m (second line). These are closeups of the 'low spots' of the full plot. The actual bands are even more narrow than these plots, so transmitting power onto them is all pretty doable (well, 75/80m and parts of 40m and 10m will really require the external tuner or the transmitter's power stage will get pretty hot, but the rest is pretty fine).

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Uploaded on October 7, 2008