Princess Sirindhorn Neutron Monitor at Doi Inthanon,   Chiang Mai, Thailand
Latitude 18.59 deg N, Longitude
98.49 deg E, Altitude 2,560 meters, Estimated vertical cutoff rigidity 16.8 GV,
18 neutron counter tubes in NM64 configuration (Supermonitor),
Reference pressure 563 mmHg, Pressure coefficient 0.854%/mmHg

COSMIC RAY DATA

 

Tube Number

Counting Dead Time**

1*

28.0

2

21.2

3

19.6

4

20.0

5

19.6

6

20.0

7

28.8

8

20.4

9

27.6

10

28.8

11

26.8

12

20.4

13

19.6

14

20.4

15

19.6

16

20.0

17

26.4

18*

20.6

* Tubes 1 and 18 were switched on Dec. 7, 2014.  These dead time values refer to the present locations; prior to that date, the dead time values of tubes 1 and 18 were reversed.  Note that all 18 tubes are arranged in a single row, and the tube number indicates their order in the row.

**in microseconds

Conditions for use of data
You are welcome to use data from the Princess Sirindhorn Neutron Monitor at Doi Inthanon, Thailand, under the following conditions:
  1. You agree to acknowledge the Princess Sirindhorn Neutron Monitor Project in any published use of the data. Example: "Neutron monitor data from Doi Inthanon were provided by courtesy of the Princess Sirindhorn Neutron Monitor Project."
  2. You agree to send a copy of any publication or thesis using these data to

    Prof. David Ruffolo

    Space Physics and Energetic Particles Group

    Department of Physics, Faculty of Science, Mahidol University

    Bangkok, 10400, THAILAND

    E-mail: ruffolo.physics@gmail.com

  3. You may share these data with colleagues, provided you inform them of these conditions. This is most simply accomplished by including the header information that came with the file when you got it.
Note
Archival data are produced by more systematic data processing techniques and a more accurate pressure coefficient (0.854%/mmHg) than used for preliminary data (0.83%/mmHg)

Archival Data

2015

Entire Year (one file)

2014

Entire Year (one file)

2013

Entire Year (one file)

2012

Entire Year (one file)

2011

Entire Year (one file)

2010

Entire Year (one file)

2009

Entire Year (one file)

2008

Entire Year (one file)

2007

December

 

Pre-archival Data

2017

January

February March

April

May June
July August September
October November December

2016

January

February March

April

May June

July

August September

October

November December

2015

Entire Year (one file)

2014

Entire Year (one file)

2013

Entire Year (one file)

2012

Entire Year (one file)

2011

Entire Year (one file)

2010

Entire Year (one file)

 

Preliminary Data

2011

Entire Year (one file)

February March
August September
October November December

2010

Entire Year (one file)

February March
August September
October November December

2009

Entire Year (one file)

February March
August September
October November December

2008

Entire Year (one file)

February March
August September
October November December

2007

August to December (one file)

September
 

This page revised 17th  October 2017

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