TY JOUR TI CHARACTERISTICS OF UHF RADIO WAVES PROPAGATION IN WOODLAND OF ASTRAKHAN REGION KW method for calculating KW attenuation of a radio signal KW forested areas KW propagation of radio waves KW Weisberger model KW COST-235 model JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Pishchin, O.. AU Sultangalieva, D.. AU Perova, K.. PY 2021 IS PB Astrakhan State Technical University