function [] = calcDrop(campaign,mlh_type) 

    %campaign = '2020_ACTIVATE';
    pathname = sprintf('/data2/juliechristo/%s/dropsondes/',campaign);
    myFiles = dir(fullfile(pathname,'*.dat')); %.ict for most, .nc for CAMP2Ex

    current_date = '';

    mlh_lidar = [];

    % -- Iterate through dropsondes -- 
    for k = 1:length(myFiles)
        subfilename = myFiles(k).name;
        date = subfilename(1:8)
        full_path = fullfile(pathname,subfilename);
        mlh_parcel = [mlh_parcel;mlh_dropsonde(drop,land,'parcel')]; 
    
        lidar_direc = sprintf('/data2/juliechristo/%s/Archive/',campaign)
        lidar_filename = fullfile(lidar_direc, [date,'.h5']);
        mlh_lidar = h5read(h5_filename,'/DataProducts/MixedLayerHeight');
        lidar_time = h5read(h5_filename,'/Nav_Data/gps_time');
        lidar_lat = ;
        lidar_lon = ;
        lidar_bsc = ;
        lidar_dep = ;
        %find closest time from lidar and extract index 
        abs_diff = abs(lidar_time - drop_time);
        [~, idx] = min(abs_diff);
        time_lidar = [time_lidar;gps_time(idx)];
        mlh_range = mlh_h5(idx-10:idx+10);
        mlh_lidar = [mlh_lidar;mean(mlh_range,'omitnan')];








end












