PSD data in individual data files, one for each PSD:
YYYYMMDD_psd_xxx.txt
The columns contain:
1	bin_centre/um	Bin centre size (micrometre).
2	psd/m-4	Bin particle concentration normalized to width of bin.
3	stdev/m-4	Standard deviation of bin particle concentration normalized to width of bin based on Poisson statistics of counts N: N/sqrt(N)/sample_volume/bin_width.
4	mean_dmax/um	Bin average maximum dimension D_max (micrometre). 
5	mean_area/m2	Bin average particle cross-sectional area A.
6	mean_Ar		Bin average particle area ratio Ar ( Ar=A/(pi/4*D_max^2) ).
7	stdev_Ar	Standard deviation of area ratios in bin.
8	mean_m09/kg	Bin average of particle mass based on Schmitt and Heymsfield (2009), Eq.2.
9	N_trop_F07	Tropical PSD based on Field et al. (2007): bin particle concentration normalized to width of bin calculated from the second and third moment of the measured PSD (column 2).
10	N_mid_F07	Mid-latitude PSD  based on Field et al. (2007): bin particle concentration normalized to width of bin calculated from the second and third moment of the measured PSD (column 2).
11	Tot.num.conc/m-3	Total number concentration of PSD
12	Min_alt/m	Minimum altitude at which particles were collected for PSD
13	Max_alt/m	Maximum altitude at which particles were collected for PSD
14	mean_m_fromAfract/kg	Bin average of particle mass based on Kuhn and Heymsfield (2016), Eq.8a+8b.
Before the data, some metadata is stored in comments (lines 1-21).

Coefficients from gamma fits to measured PSDs:
Fig2_coeffs_gamma_HF_direct_io.txt
Fig2_coeffs_gamma_HF_direct_lo.txt
The gamma coefficients have been calculated by using the first, second, and sixth moments (Heymsfield et al., 2002, Eqs 3-7) using directly the particle maximum dimensions. 
The resulting coefficients are listed in two files: 
In situ origin PSDs: Fig2_coeffs_gamma_HF_direct_io.txt
Liquid origin PSDs: Fig2_coeffs_gamma_HF_direct_lo.txt
The data is arranged in columns, and the columns contain:
1	PSD file name
2	Slope lambda (cm)
3	Intercept Ntot (cm^-4)
4	Dispersion mu

PSD data obtained from new parametrization:
NMio.txt (Insitu origin)
NMlo.txt (Liquid origin)
The columns contain:
1	Maximum dimension (cm)
2	PSD for 0 degree Celsius
3	PSD for -10 degree Celsius
4	PSD for -20 degree Celsius
5	PSD for -30 degree Celsius
6	PSD for -40 degree Celsius
7	PSD for -50 degree Celsius
8	PSD for -60 degree Celsius
9	PSD for -70 degree Celsius
10	PSD for -80 degree Celsius
The PSD values in columns 2-10 are N/N0 calculated using Eq 1., the coefficients are parametrized according to the fits slope vs temperature on Fig. 2 together with dispersion from MB14 Small or Large for in situ origin or liquid origin respectively:
In situ origin:
λ/cm-1=exp(-0.06837*T/degC+3.492)
MB14 Small: μ=0.009·λ^0.85

Liquid origin:
slope/cm-1=4.937*exp(-0.001846*T/degC)
MB14 Large: μ=0.104·λ^0.71-1.7

For plotting N in Fig. 3, the intercept values N0 have been chosen to yield typical total number concentrations:
In situ origin:
T/degC	N0/cm-4	total_number_conc/L-1
-50	2.55e9	7
-60	1.9e17	12
-70	3.8e31	49
Liquid origin:
T/degC	N0/cm-4	total_number_conc/L-1
-40	2.6e6	10
-50	1.8e7	10
-60	1.6e8	10