012921 1227 2661MinterSchoolRoad

Instantel
Date/Time Tran at 12:27:24 January 29, 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 125.6 dB(L) at 1.990 sec
ZC Freq 4.4 Hz
Channel Test Passed (Freq = 20.1 Hz Amp = 660 my )
Tran Vert Long
PPV 0.064 0.039 0.045 in/s
ZC Freq 23 32 18 Hz
Time (Rel. to Trig) 0.390 0.018 0.188 sec
Peak Acceleration 0.031 0.031 0.023 g
Peak Displacement 0.001 0.000 0.000 in
Sensor Check Passed Passed Passed
Frequency 7.6 7.5 7.2 Hz
Overswing Ratio 3.9 3.6 4.0
MicL
Long
Vert
Tran
Event Report
Serial Number BE20674 V 10.72-8.17 MiniMate Plus
Battery Level 6.9 Volts
Unit Calibration December 17, 2020 by Instantel
File Name U7641TUT.900W
USBM R18507 And OSMRE
1 2 5 10 20
Frequency (Hz)
Tran: + Vert: x Long: o
50 100 >
V
V
0
0.0
1.0
2.0
3.0
4.0
5.0
0.0
0.0
0.0
0.0
Time Scale:0.20 sec/div Amplitude Scale: Geo: 0.020 in/s/div Mic: 0.002 psi(L)/div Sensor Check
Trigger = C�
Printed: January 29, 2021 (V 10.74) Format © 1995-2015 Xmark Corporation