Åsen, Walther.
Improved correction methods for measuring altitude by Radar and Barometer. Proceedings International Radar Symposium 2018 ;Volum 2018-June.
Åsen, Walther.
Comparison of Measurements with Prediction Methods for Propagation by diffraction at 88 - 108 MHz. IEEE Transactions on Antennas and Propagation 2004 ;Volum 52.(6) s. 1499-1504
Åsen, Walther; Tjelta, Terje.
A Novel Method of Predicting Site Dependent Specific Rain Attentuation of Millimeter Radio Waves. IEEE Transactions on Antennas and Propagation 2003 ;Volum 51.(10) s. 2987-2999
Åsen, Walther; Gibbins, Chris.
A comparison of rain attenuation and drop size distributions measured in Chilbolton and Singapore. Radio Science 2002 ;Volum 37.(3) s. -