TY - JOUR
T1 - GPS time synchronization in school-network cosmic ray detectors
AU - Berns, Hans Gerd
AU - Burnett, Toby H.
AU - Gran, Richard
AU - Wilkes, R. Jeffrey
N1 - Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2003
Y1 - 2003
N2 - The QuarkNet DAQ card for school-network cosmic ray detectors provides a low-cost alternative to using standard particle and nuclear physics fast pulse electronics modules. The board, which can be produced at a cost of less than US$500, produces trigger time and pulse edge time data for 2 to 4-fold coincidence levels via a universal RS232 serial port interface, usable with any PC. Individual detector stations, each consisting of 4 scintillation counter modules, front-end electronics, and a GPS receiver, produce a stream of data in form of ASCII text strings in identifiable set of formats for different functions. The card includes a low-cost GPS receiver module, which permits time-stamping event triggers to about 50 nanosecond accuracy in UTC between widely separated sites. The technique used for obtaining precise GPS time employs the 1PPS signal, which is not normally available to users of the commercial GPS module. We had the stock model slightly custom-modified to access this signal The method for deriving time values was adapted from the procedure developed for the K2K long-baseline neutrino experiment, which was described previously in [1].
AB - The QuarkNet DAQ card for school-network cosmic ray detectors provides a low-cost alternative to using standard particle and nuclear physics fast pulse electronics modules. The board, which can be produced at a cost of less than US$500, produces trigger time and pulse edge time data for 2 to 4-fold coincidence levels via a universal RS232 serial port interface, usable with any PC. Individual detector stations, each consisting of 4 scintillation counter modules, front-end electronics, and a GPS receiver, produce a stream of data in form of ASCII text strings in identifiable set of formats for different functions. The card includes a low-cost GPS receiver module, which permits time-stamping event triggers to about 50 nanosecond accuracy in UTC between widely separated sites. The technique used for obtaining precise GPS time employs the 1PPS signal, which is not normally available to users of the commercial GPS module. We had the stock model slightly custom-modified to access this signal The method for deriving time values was adapted from the procedure developed for the K2K long-baseline neutrino experiment, which was described previously in [1].
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U2 - 10.1109/nssmic.2003.1351816
DO - 10.1109/nssmic.2003.1351816
M3 - Conference article
AN - SCOPUS:11944251792
SN - 1095-7863
VL - 2
SP - 789
EP - 792
JO - IEEE Nuclear Science Symposium Conference Record
JF - IEEE Nuclear Science Symposium Conference Record
M1 - N26-84
T2 - 2003 IEEE Nuclear Science Symposium Conference Record - Nuclear Science Symposium, Medical Imaging Conference
Y2 - 19 October 2003 through 25 October 2003
ER -