The same wistler recorded in two different places at 150 km distance: Cumiana and Pavia. (Thanks to Ezio Mognaschi IW1GOO for the collaboration from Pavia University)
230397-0500
The same wistler recorded
in two different places at 150 km distance: Cumiana and Pavia. (Thanks
to Ezio Mognaschi IW1GOO for the collaboration from Pavia University)
060899-1400
Recorded with T antenna connected
to the micro input of SoundBlaster Card. Strong static activity. Note the
strange silence from 2 and 3 kHz. Same results with a pocket loop of 75
cm. Not yet explained.
080197-0102
Tweeks storm: 4 different
resonance frequencies are identifiable: 6,6 kHz - 4,9 kHz - 3,3 kHz and
1,6 kHz. Recording from home with RS4 receiver placed outdoor.
120396-0301
"Flying saucer" (the strange
W at the bottom of spectrogram), recorded with RS4 receiver with 10m whip
antenna. Usually recorded by satellites, very rare at ground level.
121295-2050
This signal (present around
2 kHz) sounds like a frog's croak. Statics and 50 Hz harmonics are also
visible in the spectrogram. Recording from my home with RS4 placed at 100m
outdoor, with 10m whip.
140894-1305
This signal sound like bees
buzzing close to the ear. Recorded on top of a mountain at 2650m over see
level, with RS4 receiver and 1m whip.