| Answer | Crossword Clue |
|---|---|
| sonde | a device for observing atmospheric phenomena |
| sondes | SONDE, a device for observing atmospheric phenomena |
| sondes | rocket, balloon, or rockoon used as a probe for observing phenomena in the atmosphere |
| sonde | rocket, balloon, or rockoon used as a probe for observing phenomena in the atmosphere |
| aeroscope | a device for observing the atmosphere |
| aeroscopes | AEROSCOPE, a device for observing the atmosphere |
| monitors | An instrument or device used for observing, checking, or keeping a continuous record of a process or quantity |
