_sidebar.md

@@ -32,11 +32,10 @@
 ## HOW IT WORKS
 
 **_Few things we need before the calculation process_**
-- [Ionospheric and tropospheric error](/teamgeoloc/smartloc/-/wikis/Ionospheric%20and%20tropospheric%20error)
-- [Orbital errors](/teamgeoloc/smartloc/-/wikis/Orbital%20errors)
-- [Multipath Signaling](/teamgeoloc/smartloc/-/wikis/Multipath%20Signaling)
-- [The clock synchronization problem](/teamgeoloc/smartloc/-/wikis/The%20clock%20synchronization%20problem)
-- [Bonus : Why do you need 4 satellites to locate someone?](/teamgeoloc/smartloc/-/wikis/Why%20do%20you%20need%204%20satellites%20to%20locate%20someone)
+- [Ground segment](Ground%20segment)
+- [User segment](User%20segment)
+- [Spatial segment](Spatial%20segment)
+- 
 
 ## CALCULATION 
 - [How to calculate your position?](How%20to%20calculate%20your%20position?)
@@ -58,6 +57,4 @@
 - [Map matching](Map%20matching)
 - [Pedestrian Navigation](Pedestrian%20Navigation)
 - [Different types of satellites orbits](Different%20types%20of%20satellites%20orbits)
-- [Spatial segment](Spatial%20segment)
 - [Time reference](Time%20reference)
-- [User segment](User%20segment)
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