Table 1 Main information of the selected monitoring sites. The type of installation can be “B = Borehole”, “I = Indoor” and “S = Shelter”26. t1 and tn indicte the observation period considered in the analysis. nday is the length of the time series in days.

From: Multiple seasonality in soil radon time series

Code

Location

Type

Lat

Long

Alt

t 1

t n

n day

BADI

Badiali-PG

S

43.51

12.24

430

28/08/2014

23/05/2017

1000

CAE

Caneva-PN

B

46.01

12.44

870

04/08/2015

31/08/2016

393

CDCA

Citta’ di Castello-PG

S

43.46

12.23

50

23/01/2014

20/11/2017

1398

CTTR

Cittareale-RI

I

42.62

13.16

960

14/05/2010

17/07/2015

1891

FRME

Forme-AQ

I

42.11

13.44

1012

18/06/2013

23/12/2015

919

GALL

Gallinaro-FR

I

41.67

13.82

452

20/03/2015

31/01/2017

684

MMN

Mormanno Faro-CS

I

39.90

15.99

921

08/12/2011

03/10/2016

1762

MURB

Monte Urbino-PG

B

43.26

12.52

854

09/07/2013

26/07/2016

1114

PTRL

Pietralunga-PG

I

43.44

12.44

750

28/09/2012

01/08/2015

1038