px4 1.15.0双gps时，我想确认飞控现在用了哪个gps

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第一步， 单独连接每一个gps， 确认这个gps的device_id是多少。   
第二部， 检查vehicle_localtion_position消息内容， 其中有device_id就是用的那个gps
listener vehicle_localtion_position


TOPIC: vehicle_gps_position
vehicle_gps_position
    timestamp: 62173140 (0.092502 seconds ago)
    timestamp_sample: 0
    latitude_deg: 30.317649
    longitude_deg: 112.098043
    altitude_msl_m: 66.296000
    altitude_ellipsoid_m: 48.647000
    time_utc_usec: 1754551394999581
    device_id: 11010053 (Type: 0xA8, SERIAL:0 (0x00))
    s_variance_m_s: 0.58900
    c_variance_rad: 0.21573
    eph: 4.47600
    epv: 5.39900
    hdop: 1.39000
    vdop: 2.38000
    noise_per_ms: 96
    jamming_indicator: 91
    vel_m_s: 0.10200
    vel_n_m_s: -0.09600
    vel_e_m_s: 0.03300
    vel_d_m_s: -0.08300
    cog_rad: 3.15456
    timestamp_time_relative: 0
    heading: nan
    heading_offset: 0.00000
    heading_accuracy: 0.00000
    rtcm_injection_rate: 0.00000
    automatic_gain_control: 546
    fix_type: 3
    jamming_state: 0
    spoofing_state: 1
    vel_ned_valid: True
    satellites_used: 9
    selected_rtcm_instance: 0
    rtcm_crc_failed: False
    rtcm_msg_used: 0