Powerwerx SS-30DV switching power supply – RFI hash noise across all HF bands

Continuing rebuilding the shack. Since hamfests are off-limits due to pandemic restrictions opted to buying brand new equipment on a budget.

Bought a new Yaesu FT-891 which while by all means is not a great performer is a portable and a budget option for a portable/mobile/base station and could be a good choice of a Field Day radio.

HRO had it on sale and also listed Powerwerx SS-30DV as a recommended accessory PSU among slightly more expensive Yaesu FP-1023 (also switching type aka rebranded Samlex SEC-1223) and a more expensive linear Yaesu FP-1030A.

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