Authors: Ruffini, G Kruse, LP Rius, A Burki, B Cucurull, L Flores, A

Citation: G. Ruffini et al., Estimation of tropospheric zenith delay and gradients over the Madrid areausing GPS and WVR data, GEOPHYS R L, 26(4), 1999, pp. 447-450

Authors: Kruse, LP Sierk, B Springer, T Cocard, M

Citation: Lp. Kruse et al., GPS-meteorology: Impact of predicted orbits on precipitable water estimates, GEOPHYS R L, 26(14), 1999, pp. 2045-2048