To address concerns about right HRS field, I have made some measurements using a LakeShore 410 gaussmeter which is good to about 0.5 G.
I tried to measure a field change around the BigBite area with Q2 set to
1.5 GeV (approx. 648A). I turned the quad and on off several times and
saw no effect. The dipole is currently at about 200A out of 400A, so I
will come back later today to see I can a change