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Built-in noise canceller
I don't think this is a new idea, but I thought I would float it again. I have huge noise sources at my location, so I use a Timewave ANC-4 noise canceller. I also need it to operate while camping in my 5th wheel camper due to the noise from battery chargers, solar and the inverter (not to mention all that same stuff from other campers). When I am local to the radio, the ANC-4 does a pretty good job of knocking out the crud I pick up from errant electronics. It is pretty touchy to operate, but it does work.
When I am operating remotely, however, I cannot adjust the ANC-4, so I am stuck with some pretty bad noise that could otherwise be nulled out. I would like to see noise cancelling implemented in the Flex radios and accessed via SmartSDR so that noise cancelling is not dependent on external, local equipment. I would guess phase and amplitude controls would be all that is needed from an operation standpoint, but with only the ANC-4 in my experience, perhaps there is something more or better that could be implemented in DSP. I would love it if it could be set up so that the op could choose which antenna is the noise antenna to get the most flexibility from it.
I am not sure if this would even be possible on rigs like the 6400 that only have one SCU, but if so, it would make life MUCH better in the environments that I (and presumably many others) operate in.
73 & thanks for your consideration,
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