[TangerineSDR] Birdsong Recording on the VLF Antenna Element

[Jonathan]

 On May 17th at 6:37PM local time, a bird that was on the VLF Active
Antenna was chirping birdsong and the mechanical vibrations from the bird’s
body transferred to the antenna and was recorded as a chirping sound in the
VLF spectrum data. Here is the spectrogram showing four distinct chirps:
[image: T2023-05-17_22-37-05p6_birdsong.png]

Attached is the audio recording. Can anyone identify the bird?

Jonathan
KC3EEY
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.tapr.org/pipermail/tangerinesdr_lists.tapr.org/attachments/20230518/7a988ccc/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: T2023-05-17_22-37-05p6_birdsong.png
Type: image/png
Size: 136668 bytes
Desc: not available
URL: <http://lists.tapr.org/pipermail/tangerinesdr_lists.tapr.org/attachments/20230518/7a988ccc/attachment-0001.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: T2023-05-17_22-37-05p6_birdsong.wav
Type: audio/wav
Size: 384044 bytes
Desc: not available
URL: <http://lists.tapr.org/pipermail/tangerinesdr_lists.tapr.org/attachments/20230518/7a988ccc/attachment-0001.wav>