Play / Pause Download Embed (Beta) Report data quality issue on this page via GitHub Pystyvälilehdet PerusasetuksetProject: Natural History Museum Sound ArchiveSpecies: GryllotalpaSpecimen: NHMUK - BMNH(E) - 010211062 LähdeOriginal Tape Number: 627bOriginal CD Number: 427Original CD Track Number: 5Original Verbatim Species: Gryllotalpa sp.Original Metadata Image: 20151020155317.jpg RecordingLocation: BMNH Acoustic LaboratoryRecorded by: Dr David R. RaggeW. J. ReynoldsDate Recorded: Perjantai, huhtikuu 25, 1986Local time: 1645Reference Signal: 1 kHZ for 10 s EhdotTemperature Initial (Celsius): 24.00Temperature FInal (Celsius): 24.00Air Movement: NilLight: Very dim, through window in doorSubstrate/Cage: In black plastic "cake box" of earth with lid off.Biotic Factors / Experimental Conditions: Light/dark regime reversed for previous 24 hours EquipmentMicrophone & Power Supply: Microphone & Power Supply: Sennheiser MKH 405Filter: Low Pass, 24 dB per octave, corner frequency 20 kHz RecorderRecorder: Kudelski Nagra IV D (-15dB at 50 Hz)Power Supply: QED750/ ATN2Peak Meter Reading: -3Gain Control Position: 95Tape: BASF SP R50LHTape Speed (cm/s): 19.00Track(s): Full AnalysisOriginal Trace Images: 20151020155345.jpg 20151020155404.jpg 20151020155423.jpg RightsCopyright Holder: Natural History Museum, LondonLicense: CollectionsCollections: