Radar *radar = self->cur_radar = RSL_wsr88d_to_radar(radar_file, site);
if (radar == NULL) {
g_warning("fail to load radar: path=%s, site=%s", radar_file, site);
Radar *radar = self->cur_radar = RSL_wsr88d_to_radar(radar_file, site);
if (radar == NULL) {
g_warning("fail to load radar: path=%s, site=%s", radar_file, site);