021521 1618 2661MinterSchoolRoad

Instantel
Date/Time Vert at 16:18:26 February 15, 2021
Trigger Source Geo: 0.030 in/s, Mic: 125.0 dB(L)
Range Geo: 1.250 in/s
Record Time 5.0 sec at 1024 sps
Notes
Location: 2661 Minter School Road
Seismograph GPS: N 35 24' 27.50" W 79 11' 30.70"
Martin Marietta Lemon Springs
Deep Earth Logic John Babcock [phone]
Extended Notes
Microphone Linear Weighting
PSPL 113.1 dB(L) at 1.847 sec
ZC Freq 2.3 Hz
Channel Test Passed (Freq = 20.1 Hz Amp = 685 my )
Tran Vert Long
PPV 0.051 0.037 0.051 in/s
ZC Freq 34 43 26 Hz
Time (Rel. to Trig) 0.278 0.132 0.231 sec
Peak Acceleration 0.028 0.043 0.030 g
Peak Displacement 0.000 0.000 0.000 in
Sensor Check Passed Passed Passed
Frequency 7.5 7.6 7.1 Hz
Overswing Ratio 4.0 3.6 4.0
MicL
Long
Vert
Tran
Event Report
Serial Number BE20674 V 10.72-8.17 MiniMate Plus
Battery Level 7.0 Volts
Unit Calibration December 17, 2020 by Instantel
File Name U7641UQL.AQOW
USBM R18507 And OSMRE
1 2 5 10 20
Frequency (Hz)
Tran: + Vert: x Long: o
III I I i I liV V iV "I III
0.0 1.0 2.0 3.0 4.0 5.0
50 100 >
0.0
0.0
0.0
0.0
Time Scale:0.20 sec/div Amplitude Scale:Geo: 0.020 in/s/div Mic: 0.001 psi(L)/div Sensor Check
Trigger = C�
Printed: February 15, 2021 (V 10.74) Format © 1995-2015 Xmark Corporation