439:2 Chorthippus yersini (734)

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Basic

Project:

Natural History Museum Sound Archive

Species:

Chorthippus (Glyptobothrus) yersini

Specimen:

NHMUK - BMNH(E) - 010211710

Source

Original Tape Number:

734

Original CD Number:

439

Original CD Track Number:

Original Verbatim Species:

Chorthippus yersini

Original Metadata Image:

20170228103718.jpg

Recording

Location:

BMNH Acoustic Laboratory

Recorded by:

W. J. Reynolds

Date Recorded:

Tuesday, August 1, 1989

Local time:

1000

Reference Signal:

1 kHz for 10 s

Conditions

Temperature Initial (Celsius):

25.00

Temperature FInal (Celsius):

28.50

Relative Humidity Initial (%):

40.00

Relative Humidity Final (%):

37.00

Air Movement:

Nil

Light:

75W bench lamp + fluorescent room lights

Substrate/Cage:

Small recording cage

Biotic Factors / Experimental Conditions:

1 hind leg missing when caught

Equipment

Microphone & Power Supply:

Sennheiser MKH 405

Filter:

Low Pass, 24 dB per octave, corner frequency 20 kHz

Recorder

Recorder:

Kudelski Nagra IV D (-32 dB at 50 Hz)

Power Supply:

QED750/ ATN2

Peak Meter Reading:

Uher Position Indicator (UPI): 27 Peak Meter Reading (PMR): -6; UPI: 74, PMR: -25; UPI: 131, PMR: -12; UPI: 161, 189, 205 and 304 PMR: -15, UPI: 265, PMR: -4

Gain Control Position:

Uher Position Indicator (UPI): 27 Gain Control Position (GCP): 86; UPI: 74, GCP: 91; UPI: 1131, 161 and 304 GCP: 92; UPI: 189 and 205, GCP:90; UPI: 265 GCP: 85

Tape:

BASF 911

Tape Speed (cm/s):

38.00

Track(s):

Full

Analysis

Original Trace Images: