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I have noticed as well initial WU is down by 40 per 2pac. average per 2pac at 250/1.40 was 383, on restart at 225/1.46 showing 340, expecting that number to rise over the next few hours though.
I'm wondering if anyone else has tried this, and what where your results?
That appears in range. WU change is proportional to freq. About a 10% change in each there.
more details:
https://bitcointalk.org/index.php?topic=1764803.msg18329715#msg18329715