| Date | 2H Drift(units/hr) | BF(MHz) | 2H_field | 1H drift(hz/hr) |
|---|---|---|---|---|
| 12/2013 | -37.7 | 750.15 | ? | ? |
| 07/2014 | -40.2 | 750.10 | ? | ? |
| 04/2015 | -34.19 | 750.05 | ? | ? |
| 10/2016 | -34.3 | 749.95 | ? | ? |
| 10/2017 | ? | 749.89 | -200 | ? |
| 04/2018 | ? | 749.89 | -5748 | ? |
| 08/2018 | -35.5 | 749.89 | -9897 | -5.5 |
| 08/2018 | -35.5 | 749.845 | -560 | -5.5 |
| 11/14/2018 | -35.5 | 749.845 | -3860 | - |
| 5/1/2019 | -35.5 | 749.845 | -9763 | - |
| 5/1/2019 | -35.5 | 749.800 | -200 | - |
| 2/11/2020 | -35.5 | 749.750 | 762 | - |
| 12/09/2020 | -35.5 | 749.700 | 662 | - |
| 10/24/2021 | -35.5 | 749.650 | 148 | - |
| 11/10/2021 | ssnmr | 749.653631 | onres adamantane 38.48ppm | - |
The 2H drift ~ -10000/9months (field units/time). This equates to roughly -38kHz in terms of proton drift. Need to update the base frequency every
9 months approximately through 'CF'. Also, be sure to update "expinstall" for default parameters for topshim to work etc.
solids mas controller: tty = 04
- use high power 15N filter (ishii labelled). 13C/1H are the same as liquids