memcpy(&ao_config.callsign, AO_CONFIG_DEFAULT_CALLSIGN,
sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1);
ao_config.apogee_delay = AO_CONFIG_DEFAULT_APOGEE_DELAY;
memcpy(&ao_config.callsign, AO_CONFIG_DEFAULT_CALLSIGN,
sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1);
ao_config.apogee_delay = AO_CONFIG_DEFAULT_APOGEE_DELAY;