344 – Modernization of hydrological network in Serbia Dragan Jankovic 1, Mihailo Andjelic 1, Slavimir Stevanovic 1 and Zoran Radic 2 1 Hydrometeorological Office Republic of Serbia, Belgrade, SERBIA 2 Faculty of Civil Engineering, University of Belgrade, SERBIA mandjelic007@yahoo.co.uk  Abstract Within the cooperative program of Norwegian support to Serbia, the Hydrometeorological Service of Serbia (HMSS) […]