The file 'D1_VLM_predictions.dat' contains GIA-related vertical land motion predictions, and their uncertainies, for model D1 of Simon et al. (2018).
 
The format is Longitude, Latitude, Vertical Motion (mm/yr), Vertical Motion Uncertainty (mm/yr).

When using the rates, please cite the paper:

Simon, K.M., Riva, R.E.M., Kleinherenbrink, M., and Frederikse, T. (2018).The glacial isostatic adjustment signal at present-day in northern Europe and the British Isles estimated from geodetic observations and geophysical models. Solid Earth, doi:10.5194/se-2018-8.