I have an exactly identical sweep to the one you showed. Not sure why, but literally identical.?
Getting 4.2W out with a 12.2V supply (per terminal reading). Seems to work fine, but definitely looks odd.
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Verdict: My seemingly-kind-of-maybe-reversed-looking sweep had no trouble making a 20M DX QSO on a terrible antenna, so for me at least, this odd looking sweep hasn't caused noticeable problems.?