AX.25 Encoder satnogs_ax25_encoder_bf satnogs import satnogs satnogs.ax25_encoder_bf($dest_addr, $dest_ssid, $src_addr, $src_ssid) set_address_field($dest_addr, $dest_ssid, $src_addr, $src_ssid) Destination Callsign dest_addr string Destination SSID dest_ssid int Source Callsign src_addr string Source SSID src_ssid int info message out float