I have a MPPT controller and they produce a lot of radio interference.
From what I understand PWM also cause radio interference. I believe
that the older "diversion" controllers are quiet. Normally they would
waste a lot of energy but if one were running enough equipment so the
battery was being drained faster than it was being charged I assume
there would not be much energy waste.
My question is those of you who operate with a fairly good size panel
and need a solar controller what do you use that produces no radio
interference. I am looking at what would be set up for a RV or a good
sized boat or a day or two portable operation for something like the US
Island QSO party coming up. We would want to run 100 watts with the K3.
This would be a 12 vdc system with something in the range of 100-140
watt panel. Probably two 6 vdc deep cycle batteries.
Ed W0SD
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