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--- en:start [2016/03/29 20:13] – created kaklik
+++ en:start [Unknown date] (current) – external edit (Unknown date) 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Ionozor measuring network ======
-It is o 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
   * Digisonde
-  * VLF measurement
+  * VLF measurement and supplemental HF measurement.