
New TopShim run:

version = topshim 4.4.0
date = 2026-09-22
time = 10:41:17.472
command = topshim 1d optsolvent coil=1H optsolvent tuneaoff hrmas

HRMAS SHIMMING

Parameters:

probe = Z180004_0001
angle PHI = 270.5 degree
solvent = H2O+D2O
shim nucleus = 1H
nucleus optimised for = 1H
o1p (from lock) = 4.70 ppm

Results:

Iteration 1: FWHM Before= 3.9 Hz, Target= 3.6 Hz, After=71.2 Hz
Iteration 2: FWHM Before=71.2 Hz, Target=26.9 Hz, After=40.8 Hz

duration = 1 min 19 sec
completed with failure
finished Tue Sep 22 10:42:36 2026

performShimming - Topshim1D::measureB0Maps2 failed during iteration 3:
setup: no valid data in sample centre


========================================================================

New TopShim run:

version = topshim 4.4.0
date = 2026-09-22
time = 10:49:53.849
command = topshim 1d ls coil=1H ls tuneaxyz hrmas

HRMAS SHIMMING

Parameters:

probe = Z180004_0001
angle PHI = 270.5 degree
solvent = H2O+D2O
shim nucleus = 1H
nucleus optimised for = 1H
o1p (from lock) = 4.70 ppm

Results:


NOTE: very poor map quality encountered despite the CONVCOMP option being used.

Iteration 1: FWHM Before= 8.2 Hz, Target= 3.5 Hz, After= 3.0 Hz
Iteration 2: FWHM Before= 3.0 Hz, Target= 0.4 Hz, After= 2.5 Hz

duration = 1 min 23 sec
completed with failure
finished Tue Sep 22 10:51:16 2026

performShimming - Topshim1D::measureB0Maps2 failed during iteration 3:
setup: no valid data in sample centre


========================================================================
