Newark Neutron Monitor (NEWK)

The detector is located in Newark/Swarthmore, Delaware, USA, on the roof of the Department of Physics and Astonomy.

Standard 9-NM64 neutron monitor
(3 3He counters and 6 BF3 counters.)
Geographic latitude
39.68° N
Geographic longitude
75.75° W
50 m asl
Effective vertical cutoff rigidity (Epoch 2010.0)
2.4 GV
In continous operation since
Detailed station information
1 July 1964 - 1 January 1978 / 
1 January 1978 - 1 January 2000 / 
1 January 2000 - present

From 1964 to 1978 the monitor was in Swarthmore, Pennsylvania,
on the campus of Villanova University. It was moved to its present location in 1978.

The operation of the neutron monitors is supported by the Bartol Research Institute
at the University of Delaware, Sharp Laboratory, Newark, DE 19716, USA

The Principal Investigator is Paul Evenson,

Conditions for Use of Data

    You are welcome to use University of Delaware neutron monitor data under the following conditions:

    1- You agree to acknowledge the source of data in any publication; for example:

    The neutron monitor data from Newark/Swarthmore are provided by the University of Delaware Department of Physics and Astronomy and the Bartol Research Institute.

    2- You agree to send a copy of any paper using these data to:

    Prof. Paul Evenson,
    Department of Physics and Astronomy
    204 Sharp Lab, University of Delaware
    Newark, DE 19716, U.S.A.

    3- Commercial or industrial use of the data is prohibited without previous agreement with the PI of the station (see name and address above)

    4- You may share these data with colleagues, provided you inform them of these conditions.

    In the event there are future modifications to the data, NMDB will always return the most recent version. We will document any significant changes in the station notes.