LS Preliminary Greenland
![Figure 8. Spectrogram of signals shown in Figure 6 showing how the frequency content changes over time on each signal.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/fig8.gif?itok=eIr3L5_N)
Detailed Description
Figure 8. Spectrogram of signals shown in Figure 6 showing how the frequency content changes over time on each signal. The sample rate of station SUMG was lower than the others (20Hz) so it only shows 0 to 10 Hz.
Sources/Usage
Public Domain.