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en:start [2016/04/09 23:35] vojtik |
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It is a project of cooperative network which uses technical devices situated at volunteer observers, which operate measuring stations. | It is a project of cooperative network which uses technical devices situated at volunteer observers, which operate measuring stations. | ||
- | The measuring devices can be several types which differs in measuring principles and measured quantity. | + | The measuring devices can be several types which differ in measuring principles and measured quantity: |
* Doppler measurements | * Doppler measurements | ||
* Digisonde | * Digisonde | ||
- | * VLF measurement and supplemental HF measurement | + | * VLF measurement and supplemental HF measurement. |