Hi Russell,
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With the short, loaded vertical (that could fit indoors), the symptoms of RF in the shack/tent/hotel-room were that the QMX SWR protection trips, it stops transmitting, the QMX resets itself, USB connection drops, etc.? Also, it was harder to get a match to the shortened vertical using the ZM-2 tuner without an RF choke at the antenna.? The mode doesn't matter so much but if you are "on the edge" (meaning level of RF on the coax shield is marginally bad), then low duty cycle modes may go longer without trouble than high duty cycle modes.? YMMV...
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73, Mike KK7ER
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