021521 1618 1777WillettRoad

Instantel
Date/Time Vert at 16:18:46 February 15, 2021
Trigger Source Geo: 0.020 in/s, Mic: 125.0 dB(L)
Range Geo: 1.250 in/s
Record Time 5.0 sec at 1024 sps
Notes
Location: 1777 Willett Road
Seismograph GPS: N 35 24' 18.03" W 79 12' 11.95"
Martin Marietta Lemon Springs
Deep Earth Logic John Babcock [phone]
Extended Notes
Microphone Linear Weighting
PSPL 116.4 dB(L) at 1.716 sec
ZC Freq 1.8 Hz
Channel Test Passed (Freq = 19.7 Hz Amp = 688 my )
Tran Vert Long
PPV 0.057 0.126 0.101 in/s
ZC Freq 17 47 34 Hz
Time (Rel. to Trig) 0.358 0.102 0.333 sec
Peak Acceleration 0.043 0.098 0.055 g
Peak Displacement 0.001 0.000 0.001 in
Sensor Check Passed Passed Passed
Frequency 7.6 7.5 7.4 Hz
Overswing Ratio 4.3 3.5 4.2
MicL
Long
Vert
Tran
Event Report
Serial Number
BE20645 V 10.72-8.17 MiniMate Plus
Battery Level
7.0 Volts
Unit Calibration December 22, 2020 by Instantel
File Name
U5351UQL.BAOW
USBM R18507 And OSMRE
1 2 5 10 20
Frequency (Hz)
Tran: + Vert: x Long: o
50 100 >
Vh%
Fffl
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: 0.050 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